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HI-565A
Data Sheet June 1999 File Number 3109.2
High Speed, Monolithic D/A Converter with Reference
The HI-565A is a fast, 12-bit, current output, digital-to-analog converter. The monolithic chip includes a precision voltage reference, thin-film R2R ladder, reference control amplifier and twelve high speed bipolar current switches. The Intersil dielectric isolation process provides latch free operation while minimizing stray capacitance and leakage currents, to produce an excellent combination of speed and accuracy. Also, ground currents are minimized to produce a low and constant current through the ground terminal, which reduces error due to code dependent ground currents. HI-565A dice are laser trimmed for a maximum integral nonlinearity error of 0.5 LSB at 25oC. In addition, the low noise buried zener reference is trimmed both for absolute value and temperature coefficient. Power dissipation is typically 250mW, with 15V supplies. The HI-565A is offered in both commercial and military grades. See Ordering Information.
Features
* 12-Bit DAC and Reference on a Single Chip * Pin Compatible With AD565A * Very High Speed: Settles to 0.5 LSB in 250ns (Max) Full Scale Switching Time 30ns (Typ) * Guaranteed For Operation With 12V Supplies * Monotonicity Guaranteed Over Temperature * Nonlinearity Guaranteed Over Temp (Max) . . . . 0.5 LSB * Low Gain Drift (Max, DAC Plus Ref) . . . . . . . . .25ppm/oC * Low Power Dissipation . . . . . . . . . . . . . . . . . . . . .250mW
Applications
* CRT Displays * High Speed A/D Converters * Signal Reconstruction * Waveform Synthesis
Ordering Information
PART NUMBER HI1-565AJD-5 HI1-565AKD-5 HI1-565ASD-2 HI1-565ATD-2 HI1-565ASD/883 HI1-565ATD/883 LINEARITY (INL) 0.50 LSB 0.25 LSB 0.50 LSB 0.25 LSB 0.50 LSB 0.25 LSB LINEARITY (DNL) 0.75 LSB 0.50 LSB 0.75 LSB 0.50 LSB 0.50 LSB 0.50 LSB TEMP. RANGE (oC) 0 to 75 0 to 75 -55 to 125 -55 to 125 -55 to 125 -55 to 125 PACKAGE 24 Ld SBDIP 24 Ld SBDIP 24 Ld SBDIP 24 Ld SBDIP 24 Ld SBDIP 24 Ld SBDIP PKG. NO. D24.6 D24.6 D24.6 D24.6 D24.6 D24.6
Pinout
HI-565A (SBDIP) TOP VIEW
NC 1 NC 2 VCC 3 REF OUT (+10V) 4 REF GND 5 REF IN 6 -VEE 7 BIPOLAR R IN 8 IDAC OUT 9 10V SPAN R 10 20V SPAN R 11 POWER GND 12 24 BIT 1 (MSB) IN 23 BIT 2 IN 22 BIT 3 IN 21 BIT 4 IN 20 BIT 5 IN 19 BIT 6 IN 18 BIT 7 IN 17 BIT 8 IN 16 BIT 9 IN 15 BIT 10 IN 14 BIT 11 IN 13 BIT 12 (LSB) IN
Functional Diagram
REF OUT 4 + VCC 3 HI-565A 5K IREF 0.5mA 9.95K DAC IO 3.5K 3K 7 12 24 . . . . . .13 LSB + (4X IREF X CODE) 5K 9 OUT 2.5K 10 10V SPAN 8 BIP. OFF 11 20V SPAN
REF IN 6 19.95K 5 REF GND
-
-VEE PWR MSB GND
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Copyright (c) Intersil Corporation 1999
HI-565A
Absolute Maximum Ratings
VCC to Power GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to +18V VEE to Power GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to -18V Voltage on DAC Output (Pin 9) . . . . . . . . . . . . . . . . . . . -3V to +12V Digital Inputs (Pins 13-24) to Power GND . . . . . . . . . . . -1V to +7.0V REF In to REF GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V Bipolar Offset to REF GND . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V 10V Span R to REF GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V 20V Span R to REF GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V REF Out . . . . . . . . . . . . . . . . . . . . . . .Indefinite Short to Power GND Momentary Short to VCC
Thermal Information
Thermal Resistance (Typical, Note 1) JA (oC/W) JC (oC/W) SBDIP Package . . . . . . . . . . . . . . . . . . 75 30 Maximum Package Power Dissipation SBDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .500mW Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . .175oC Maximum Storage Temperature Range . . . . . . . . . . -65oC to 150oC Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300oC
Die Characteristics
Transistor Count. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bipolar-DI
Operating Conditions
Temperature Ranges HI-565AS, T-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC H1-565AJ, K-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0oC to 75oC
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE: 1. JA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
PARAMETER DATA INPUTS (Pins 13 to 24) Input Voltage Bit ON Logic "1" Input Voltage Bit OFF Logic "0" Logic Current Bit ON Logic "1" Logic Current Bit OFF Logic "0" Resolution OUTPUT Unipolar Current Bipolar Current Resistance Unipolar Offset (25oC)
TA = 25oC, VCC = +15V, VEE = -15V, Unless Otherwise Specified HI-565AJ, HI565AS TEST CONDITIONS MIN TYP MAX HI-565AK, HI-565AT MIN TYP MAX UNITS
(TMlN to TMAX) (TMlN to TMAX) (TMlN to TMAX) (TMlN to TMAX) (Note 2)
+2.0 12
0.01 -2.0 -
+5.5 +0.8 +1.0 -20 -
+2.0 12
0.01 -2.0 -
+5.5 +0.8 +1.0 -20 -
V V A A Bits
(All Bits ON) (All Bits ON or OFF) (Exclusive of Span Resistors) (Note 2)
-1.6 0.8 1.8K -0.05 -0.07
-2.0 1.0 2.5K 0.01 0.01 0.05 0.05 20 -
-2.4 1.2 3.2K 0.05 0.07 0.15 0.25 +10
-1.6 0.8 1.8K -0.05 -0.07 -0.1 -0.2 -1.5
-2.0 1.0 2.5K 0.01 0.01 0.05 0.05 20 -
-2.4 1.2 3.2K 0.05 0.07 0.1 0.2 +10
mA mA % of FS % of FS % of FS % of FS pF V
Bipolar Offset (25oC) Bipolar Offset (TMlN to TMAX) /883 Versions Only Capacitance Compliance Voltage ACCURACY (Error Relative to Full Scale) Integral Non-Linearity Integral Non-Linearity /883 Versions Only Differential Non-Linearity Differential Non-Linearity (25oC) End Point Method (TMIN to TMAX) End Point Method 25oC TMIN to TMAX (TMIN to TMAX)(Note 2) (Figure 2, R3 = 50)
-0.15 -0.25 -1.5
-
0.25 (0.006) 0.50 (0.012) 0.50
0.50 (0.012) 0.75 (0.018) 0.75
-
0.12 (0.003) 0.25 (0.006) 0.25
0.25 (0.006) 0.50 (0.012) 0.50
LSB % of FS LSB % of FS LSB
MONOTONICITY GUARANTEED
2
HI-565A
Electrical Specifications
PARAMETER TEMPERATURE COEFFIClENTS Unipolar Offset Drift Bipolar Zero Drift Gain Drift, Uni- and Bipolar (Full Scale) Differential Nonlinearity Error Drift SETTLING TIME T0 0.5 LSB With High, Z External Load With 75 External Load (Notes 2, 3) (Notes 2, 3) 350 150 500 250 350 150 500 250 ns ns Internal Reference Internal Reference Int. Ref. 1 5 15 2 2 10 40 1 5 10 2 2 10 25 ppm/ oC ppm/ oC ppm/ oC ppm/ oC TA = 25oC, VCC = +15V, VEE = -15V, Unless Otherwise Specified (Continued) HI-565AJ, HI565AS TEST CONDITIONS MIN TYP MAX HI-565AK, HI-565AT MIN TYP MAX UNITS
FULL SCALE TRANSITION From 50% of Logic Input to 90% of Analog Output Rise Time Fall Time POWER REQUIREMENTS ICC IEE POWER SUPPLY GAIN SENSITIVITY (Note 4) VCC VEE (+11.4 to +16.5VDC) All Bits = 2V, Unipolar (-11.4 to -16.5VDC) All Bits = 2V, Unipolar 3 15 10 25 3 15 10 25 ppm of FS/% ppm of FS/% 9.0 -9.5 11.8 -14.5 9.0 -9.5 11.8 -14.5 mA mA (Note 2) (Note 2) 15 30 30 50 15 30 30 50 ns ns
PROGRAMMABLE OUTPUT RANGES (See Table 2) Unipolar 5 Bipolar 5 Unipolar 10 Bipolar 10 Bipolar 20 EXTERNAL ADJUSTMENTS Gain Error Bipolar Zero Error Gain Adjustment Range Bipolar Zero Adjustment Range REFERENCE INPUT Input Impedance REFERENCE OUTPUT Voltage, Commercial Versions Voltage, /883 Versions Current (Available for External Loads) NOTES: 2. Guaranteed by characterization or design but not tested over the operating temperature range. 3. See settling time discussion and Figure 3. 4. The Power Supply Gain Sensitivity is tested in reference to a VCC , VEE of 15V. 9.90 9.95 1.5 10.00 10.00 2.5 10.10 10.05 9.90 9.95 1.5 10.00 10.00 2.5 10.10 10.05 V V mA (Note 2) 15K 20K 25K 15K 20K 25K R2 = 50 (Figure 2) R3 = 50 (Figure 3) (Figure 1) (Note 2) (Note 2) 0.25 0.15 0.1 0.05 0.25 0.15 0.25 0.15 0.1 0.05 0.25 0.1 % of FS % of FS % of FS % of FS (Note 2) (Note 2) (Note 2) (Note 2) (Note 2) 0 to +5 -2.5 to +2.5 0 to +10 -5 to +5 -10 to +10 0 to +5 -2.5 to +2.5 0 to +10 -5 to +5 -10 to +10 V V V V V
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HI-565A Definitions of Specifications
Digital Inputs
The HI-565A accepts digital input codes in binary format and may be user connected for any one of three binary codes. Straight Binary, Two's Complement (Note 5), or Offset Binary, (See Operating Instructions).
TABLE 1. ANALOG OUTPUT DIGITAL INPUT MSB...LSB 000...000 100...000 111...111 011...111 NOTE: 5. Invert MSB with external inverter to obtain Two's Complement Coding. Zero
1/ FS 2
Power Supply Sensitivity is a measure of the change in gain and offset of the D/A converter resulting from a change in -15V or +15V supplies. It is specified under DC conditions and expressed as parts per million of full scale range per percent of change in power supply (ppm of FSR/%). Compliance Voltage is the maximum output voltage range that can be tolerated and still maintain its specified accuracy. Compliance Limit implies functional operation only, and makes no claims to accuracy. Glitch a glitch on the output of a D/A converter is a transient spike resulting from unequal internal ON-OFF switching times. Worst case glitches usually occur at half-scale or the major carry code transition from 011...1 to 100...0 or vice versa. For example, if turn ON is greater than turn OFF for 011...1 to 100...0, an intermediate state of 000...0 exists, such that, the output momentarily glitches toward zero output. Matched switching times and fast switching will reduce glitches considerably.
STRAIGHT BINARY
OFFSET BINARY
(NOTE 5) TWO'S COMPLEMENT
-FS (Full Scale) Zero +FS - 1 LSB Zero - 1 LSB
Zero -FS Zero - 1 LSB +FS - 1 LSB
+FS - 1 LSB 1/2FS - 1 LSB
Detailed Description
Op Amp Selection
The Hl-565As current output may be converted to voltage using the standard connections shown in Figures 1 and 2. The choice of operational amplifier should be reviewed for each application, since a significant trade-off may be made between speed and accuracy. For highest precision, use an HA-5130. This amplifier contributes negligible error, but requires about 11s to settle within 0.1% following a 10V step. The Intersil HA-2600 is the best all-around choice for this application, and it settles in 1.5s (also to 0.1% following a 10V step). Remember, settling time for the DAC amplifier combination is the square root of tD2 plus tA2, where tD, tA are settling times for the DAC and amplifier.
Nonlinearity of a D/A converter is an important measure of its accuracy. It describes the deviation from an ideal straight line transfer curve drawn between zero (all bits OFF) and full scale (all bits ON) (End Point Method). Differential Nonlinearity for a D/A converter, it is the difference between the actual output voltage change and the ideal (1 LSB) voltage change for a one bit change in code. A Differential Nonlinearity of 1 LSB or less guarantees monotonicity; i.e., the output always increases for an increasing input. Settling Time is the time required for the output to settle to within the specified error band for any input code transition. It is usually specified for a full scale or major carry transition, settling to within 0.5 LSB of final value. Gain Drift is the change in full scale analog output over the specified temperature range, expressed in parts per million of full scale range per oC (ppm of FSR/ oC). Gain error is measured with respect to 25oC at high (TH) and low (TL) temperatures. Gain drift is calculated for both high (TH -25oC) and low ranges (25oC -TL) by dividing the gain error by the respective change in temperature. The specification is the larger of the two representing worst-case drift. Offset Drift is the change in analog output with all bits OFF over the specified temperature range expressed in parts per million of full scale range per oC (ppm of FSR/ oC). Offset error is measured with respect to 25oC at high (TH) and low (TL) temperatures. Offset Drift is calculated for both high (TH -25oC) and low (25oC -TL) ranges by dividing the offset error by the respective change in temperature. The specification given is the larger of the two, representing worst-case drift. 4
No-Trim Operation
The Hl-565A will perform as specified without calibration adjustments. To operate without calibration, substitute 50 resistors for the 100 trimming potentiometers: In Figure 1 replace R2 with 50 also remove the network on pin 8 and connect 50 to ground. For bipolar operation in Figure 2, replace R3 and R4 with 50 resistors. With these changes, performance is guaranteed as shown under Specifications, "External Adjustments". Typical unipolar zero will be 0.5 LSB plus the op amp offset. The feedback capacitor, C, must be selected to minimize settling time.
Calibration
Calibration provides the maximum accuracy from a converter by adjusting its gain and offset errors to zero. For the Hl-565A, these adjustments are similar whether the current output is used, or whether an external op amp is
HI-565A
added to convert this current to a voltage. Refer to Table 2 for the voltage output case, along with Figure 1 or Figure 2. Calibration is a two step process for each of the five output ranges shown in Table 2. First adjust the negative full scale (zero for unipolar ranges). This is an offset adjust which translates the output characteristic, i.e., affects each code by the same amount. Next adjust positive FS. This is a gain error adjustment, which rotates the output characteristic about the negative FS value. For the bipolar ranges, this approach leaves an error at the zero code, whose maximum value is the same as for integral nonlinearity error. In general, only two values of output may be calibrated exactly; all others must tolerate some error. Choosing the extreme end points (plus and minus full scale) minimizes this distributed error for all other codes.
TABLE 2. OPERATING MODES AND CALIBRATION CIRCUIT CONNECTIONS MODE Unipolar (See Figure 1) OUTPUT PRANGE 0 to +10V 0 to +5V Bipolar (See Figure 2) 10V 5V 2.5V PIN 10 TO VO VO NC VO VO PIN 11 TO Pin 10 Pin 9 VO Pin 10 Pin 9 RESlSTOR (R) 1.43K 1.1K 1.69K 1.43K 1.1K APPLY INPUT CODE All 0's All 1's All 0's All 1's All 0's All 1's All 0's All 1's All 0's All 1's CALIBRATION ADJUST R1 R2 R1 R2 R3 R4 R3 R4 R3 R4 TO SET VO 0V +9.99756V 0V +4.99878V -10V +9.99512V -5V +4.99756V -2.5V +2.49878V
REF OUT 4 R2 100 +
VCC 3
BIP. OFF.
8 11 100k 20V SPAN 100 10 10V SPAN C + VO
10V
HI-565A I REF 0.5mA 9.95K DAC IO (4 x I REF x CODE) CODE INPUT 7 -VEE 12 24 MSB PWR GND 13 LSB
5K
+15V R1 50k -15V
REF IN 6 19.95K 3.5K 3K
5K 9 2.5K
+
REF 5 GND
-
DAC OUT
-
R (SEE TABLE 2)
FIGURE 1. UNIPOLAR VOLTAGE OUTPUT
5
HI-565A
R3
REF OUT 4 R4 100 +
VCC 3
100 BIP. OFF. 8 11 20V SPAN VO
10V
HI-565A I REF 0.5mA 9.95K DAC IO (4 x I REF x CODE) CODE INPUT 7 -VEE 12 24 MSB PWR GND 13 LSB
5K
REF IN 6 19.95K 3.5K 3K
10
5K 9 2.5K
10V SPAN C +
+
REF 5 GND
-
DAC OUT R
-
(SEE TABLE 2)
FIGURE 2. BIPOLAR VOLTAGE OUTPUT
Settling Time
This is a challenging measurement, in which the result depends on the method chosen, the precision and quality of test equipment and the operating configuration of the DAC (test conditions). As a result, the different techniques in use by converter manufacturers can lead to consistently different results. An engineer should understand the advantage and limitations of a given test method before using the specified settling time as a basis for design. The previous approach calls for a strobed comparator to sense final perturbations of the DAC output waveform. This gives the LSB a reasonable magnitude (814V for the HI-565A), which provides the comparator with enough overdrive to establish an accurate 0.5 LSB window about the final settled value. Also, the required test conditions simulate the DACs environment for a common application - use in a successive approximation A/D converter. Considerable experience has shown this to be a reliable and repeatable way to measure settling time. The usual specification is based on a 10V step, produced by simultaneously switching all bits from off-to-on (tON) or onto-off (tOFF). The slower of the two cases is specified, as measured from 50% of the digital input transition to the final entry within a window of 0.5 LSB about the settled value. Four measurements characterize a given type of DAC: (a) (b) tON , to final value +0.5 LSB tON , to final value -0.5 LSB
(Cases (b) and (c) may be eliminated unless the overshoot exceeds 0.5 LSB). For example, refer to Figure 3 for the measurement of case (d).
Procedure
As shown in Figure 3B, settling time equals tX plus the comparator delay (tD = 15ns). To measure tX : * Adjust the delay on generator No. 2 for a tX of several microseconds. This assures that the DAC output has settled to its final value. * Switch on the LSB (+5V). * Adjust the VLSB supply for 50% triggering at COMPARATOR OUT. This is indicated by traces of equal brightness on the oscilloscope display as shown in Figure 3B. Note DVM reading. * Switch the LSB to Pulse (P). * Readjust the VLSB supply for 50% triggering as before, and note DVM reading. One LSB equals one tenth the difference in the DVM readings noted above. * Adjust the VLSB supply to reduce the DVM reading by 5 LSBs (DVM reads 10X, so this sets the comparator to sense the final settled value minus 0.5 LSB). Comparator output disappears. * Reduce generator No. 2 delay until comparator output reappears, and adjust for "equal brightness". * Measure tX from scope as shown in Figure 3B. Settling time equals tX + tD, i.e., tX + 15ns.
(c) tOFF, to final value +0.5 LSB (d) tOFF, to final value -0.5 LSB
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HI-565A
OUT
PULSE GENERATOR NO. 1
SYNC IN TRIG OUT
PULSE GENERATOR NO. 2
OUT
(A) HI-565A 24 23 9.95K 5K 5K 9 8 11
20V 20% BIAS TURN ON
+3V (C) (A) 0V -0.5 LSB 0V 50% DIGITAL INPUT
TURN OFF (B) (TURN -400mV OFF) (B) STROBE IN (D) COMP OUT tX 50% 0.8V 4V (D) VLSB
SUPPLY
DAC OUTPUT SETTLING TIME tD = COMPARATOR DELAY
10 NC
2V (C)
COMP. STROBE EQUAL BRIGHTNESS COMP. OUT
14 +5V P 13 2mA
2.5K 5
SCHOTTKY DIODES
LSB
12 DVM 10 90
200K 0.1F
0V
~100kHz
FIGURE 3A.
FIGURE 3B.
Other Considerations
Grounds
The Hl-565A has two ground terminals, pin 5 (REF GND) and pin 12 (PWR GND). These should not be tied together near the package unless that point is also the system signal ground to which all returns are connected. (If such a point exists, then separate paths are required to pins 5 and 12). The current through pin 5 is near-zero DC (Note 1); but pin 12 carries up to 1.75mA of code-dependent current from bits 1, 2, and 3. The general rule is to connect pin 5 directly to the system "quiet" point, usually called signal or analog ground. Connect pin 12 to the local digital or power ground. Then, of course, a single path must connect the analog/signal and digital/power grounds.
Bypass Capacitors
Power supply bypass capacitors on the op amp will serve the HI-565A also. If no op amp is used, a 0.01F ceramic capacitor from each supply terminal to pin 12 is sufficient, since supply current variations are small.
Current Cancellation
Current cancellation is a two step process within the HI-565A in which code dependent variations are eliminated, then the resulting DC current is supplied internally. First an auxiliary 9-bit R-2R ladder is driven by the complement of the DACs input code. Together, the main and auxiliary ladders draw a continuous 2.25mA from the internal ground node, regardless of input code. Part of this DC current is supplied by the zener voltage reference, and the remainder is sourced from the positive supply via a current mirror which is laser trimmed for zero current through the external terminal (pin 5).
Layout
Connections to pin 9 (IOUT) on the Hl-565A are most critical for high speed performance. Output capacitance of the DAC is only 20pF, so a small change or additional capacitance may alter the op amp's stability and affect settling time. Connections to pin 9 should be short and few. Component leads should be short on the side connecting to pin 9 (as for feedback capacitor C). See the Settling Time section.
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HI-565A Die Characteristics
DIE DIMENSIONS: 179 mils x 107 mils x 19 mils 1 mil METALLIZATION: Type: Al Thickness: 16kA 2kA PASSIVATION: Type: Nitride Over Silox Nitride Thickness: 3.5kA 0.5kA Silox Thickness: 12kA 1.5kA WORST CASE CURRENT DENSITY: 0.75 x 105 A/cm2 TRANSISTOR COUNT: 200
Metallization Mask Layout
HI-565A
(MSB) V+ BIT 1 BIT 2
VREF OUT VREF GND
BIT 3
BIT 4 BIT 5
VREF IN -VS BIPOLAR 12 BIT 7 IDAC OUT BIT 8 BIT 6
BIT 9
10V SPAN 20V SPAN POWER GND BIT 12 (LSB) BIT 11 BIT 10
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HI-565A Ceramic Dual-In-Line Metal Seal Packages (SBDIP)
c1 -A-DBASE METAL b1 M (b) SECTION A-A (c) LEAD FINISH
D24.6 MIL-STD-1835 CDIP2-T24 (D-3, CONFIGURATION C) 24 LEAD CERAMIC DUAL-IN-LINE METAL SEAL PACKAGE
INCHES SYMBOL A b b1 b2 MIN 0.014 0.014 0.045 0.023 0.008 0.008 0.500 MAX 0.225 0.026 0.023 0.065 0.045 0.018 0.015 1.290 0.610 MILLIMETERS MIN 0.36 0.36 1.14 0.58 0.20 0.20 12.70 MAX 5.72 0.66 0.58 1.65 1.14 0.46 0.38 32.77 15.49 NOTES 2 3 4 2 3 5 6 7 2 8 Rev. 0 4/94
E M -Bbbb S C A - B S BASE PLANE SEATING PLANE S1 b2 b AA D S2 -CQ A L DS
b3 c c1 eA e eA/2
c
D E e eA eA/2 L Q S1 S2
0.100 BSC 0.600 BSC 0.300 BSC 0.120 0.015 0.005 0.005 90o 24 0.200 0.075 105o 0.015 0.030 0.010 0.0015
2.54 BSC 15.24 BSC 7.62 BSC 3.05 0.38 0.13 0.13 90o 24 5.08 1.91 105o 0.38 0.76 0.25 0.038
ccc M C A - B S D S
aaa M C A - B S D S
NOTES: 1. Index area: A notch or a pin one identification mark shall be located adjacent to pin one and shall be located within the shaded area shown. The manufacturer's identification shall not be used as a pin one identification mark. 2. The maximum limits of lead dimensions b and c or M shall be measured at the centroid of the finished lead surfaces, when solder dip or tin plate lead finish is applied. 3. Dimensions b1 and c1 apply to lead base metal only. Dimension M applies to lead plating and finish thickness. 4. Corner leads (1, N, N/2, and N/2+1) may be configured with a partial lead paddle. For this configuration dimension b3 replaces dimension b2. 5. Dimension Q shall be measured from the seating plane to the base plane. 6. Measure dimension S1 at all four corners. 7. Measure dimension S2 from the top of the ceramic body to the nearest metallization or lead. 8. N is the maximum number of terminal positions. 9. Braze fillets shall be concave. 10. Dimensioning and tolerancing per ANSI Y14.5M - 1982. 11. Controlling dimension: INCH.
aaa bbb ccc M N
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see web site http://www.intersil.com
Sales Office Headquarters
NORTH AMERICA Intersil Corporation P. O. Box 883, Mail Stop 53-204 Melbourne, FL 32902 TEL: (321) 724-7000 FAX: (321) 724-7240 EUROPE Intersil SA Mercure Center 100, Rue de la Fusee 1130 Brussels, Belgium TEL: (32) 2.724.2111 FAX: (32) 2.724.22.05 ASIA Intersil (Taiwan) Ltd. 7F-6, No. 101 Fu Hsing North Road Taipei, Taiwan Republic of China TEL: (886) 2 2716 9310 FAX: (886) 2 2715 3029
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