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LT1126/LT1127 Dual/Quad Decompensated Low Noise, High Speed Precision Op Amps
FEATURES

DESCRIPTIO
100% Tested Low Voltage Noise: 2.7nV/Hz Typ, 4.2nV/Hz Max Slew Rate: 11V/s Typ Gain-Bandwidth Product: 65MHz Typ Offset Voltage, Prime Grade: 70V Max Low Grade: 100V Max High Voltage Gain: 5 Million Min Supply Current Per Amplifier: 3.1mA Max Common Mode Rejection: 112dB Min Power Supply Rejection: 116dB Min Available in 8-Lead SOIC, 8-Lead DIP, 16-Lead SO and 14-Lead DIP Packages
The LT(R)1126 dual and LT1127 quad are high performance, decompensated op amps that offer higher slew rate and bandwidth than the LT1124 dual and the LT1125 quad operational amplifiers. The enhanced AC performance is available without degrading DC specs of the LT1124/LT1125. Both LT1126/LT1127 are stable in a gain of 10 or more. In the design, processing and testing of the device, particular attention has been paid to the optimization of the entire distribution of several key parameters. Slew rate, gain-bandwidth and 1kHz noise are 100% tested for each individual amplifier. Consequently, the specifications of even the lowest cost grades (the LT1126C and the LT1127C) have been enhanced. Power consumption of the dual LT1126 is less than one half of two OP-37s. Low power and high performance in an 8-pin SO package makes the LT1126 a first choice for surface mounted systems and where board space is restricted.
, LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 4775884, 4837496.
APPLICATIO S

Two and Three Op Amp Instrumentation Amplifiers Low Noise Signal Processing Active Filters Microvolt Accuracy Threshold Detection Strain Gauge Amplifiers Direct Coupled Audio Gain Stages Tape Head Preamplifiers Microphone Preamplifiers Accelerometer Amplifiers Infrared Detectors
TYPICAL APPLICATIO
- INPUT
Low Noise, Wide Bandwidth Instrumentation Amplifier
+
1/4 LT1127
-
RMS VOLTAGE NOISE DENSITY (nV/Hz)
620
6.2k
10k
200
- -
1/4 LT1127 + INPUT 6.2k 620 1/4 LT1127
OUTPUT
+
10k
+
GAIN = 1000, BANDWIDTH = 480kHz INPUT REFERRED NOISE = 4.5nV/ Hz AT 1kHz, 6VRMS OVER BANDWIDTH
1126-7 TA01
U
Voltage Noise vs Frequency
100 V S = 15V TA = 25C 30 10 MAXIMUM 3 1/f CORNER 2.3Hz 1 0.1 1.0 10 FREQUENCY (Hz)
1126-7 TA01b
U
U
TYPICAL
100
1000
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1
LT1126/LT1127
ABSOLUTE
AXI U RATI GS (Note 1)
Operating Temperature Range LT1126AM/LT1126M LT1127AM/LT1127M (OBSOLETE) .. -55C to 125C LT1126AC/LT1126C LT1127AC/LT1127C ............................ -40C to 85C Storage Temperature Range All Grades ......................................... -65C to 150C
Supply Voltage ..................................................... 22V Input Voltage ............................ Equal to Supply Voltage Output Short Circuit Duration .......................... Indefinite Differential Input Current (Note 5) ...................... 25mA Lead Temperature (Soldering, 10 sec.)................. 300C
PACKAGE/ORDER I FOR ATIO
TOP VIEW +IN A 1 V-
8
A
B
-IN A OUT A V+ OUT B
ORDER PART NUMBER LT1126CS8
S8 PART MARKING
2
7 6 5
+IN B 3 -IN B 4
S8 PACKAGE 8-LEAD PLASTIC SO TJMAX = 140C, JA = 190C/W
NOTE: THIS PIN CONFIGURATION DIFFERS FROM THE 8-PIN PDIP CONFIGURATION. INSTEAD, IT FOLLOWS THE INDUSTRY STANDARD LT1013DS8 SO PACKAGE PIN LOCATIONS
1126 LT1127CSW
TOP VIEW OUT A 1 A D 16 OUT D 15 -IN D 14 +IN D 13 V - B C 12 +IN C 11 -IN C 10 OUT C 9 NC
-IN A 2 +IN A 3 V+ 4 +IN B 5 -IN B 6 OUT B 7 NC 8
SW PACKAGE 16-LEAD PLASTIC SO WIDE TJMAX = 140C, JA = 130C/W
Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges.
2
U
U
W
WW U
W
TOP VIEW OUT A 1 -IN A 2 +IN A 3 V
-
8 A B 7 6 5 N8 PACKAGE 8-LEAD PDIP
V+ OUT B -IN B +IN B
ORDER PART NUMBER LT1126ACN8 LT1126CN8
4
TJMAX = 140C, JA = 130C J8 PACKAGE 8-LEAD CERAMIC DIP TJMAX = 160C, JA = 100C/W
OBSOLETE PACKAGE
Consider the N8 for Alternate Source
TOP VIEW OUT A -IN A +IN A V+ +IN B -IN B OUT B 1 2 3 4 5 6 7 N PACKAGE 14-LEAD PDIP B C A D 14 OUT D 13 -IN D 12 +IN D 11 V - 10 +IN C 9 8 -IN C OUT C
LT1126AMJ8 LT1126MJ8 LT1126CJ8
LT1127ACN LT1127CN
TJMAX = 140C, JA = 110C (N)
J PACKAGE 14-LEAD CERAMIC DIP TJMAX = 160C, JA = 80C/W
OBSOLETE PACKAGE
Consider the N for Alternate Source
LT1127AMJ LT1127MJ LT1127CJ
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LT1126/LT1127
ELECTRICAL CHARACTERISTICS VS = 15V, TA = 25C, unless otherwise noted.
SYMBOL VOS VOS Time IOS IB en PARAMETER Input Offset Voltage Long Term Input Offset Voltage Stability Input Offset Current Input Bias Current Input Noise Voltage Input Noise Voltage Density in VCM CMRR PSRR AVOL VOUT SR GBW ZO IS Input Noise Current Density Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Large Signal Voltage Gain Maximum Output Voltage Swing Slew Rate Gain-Bandwidth Product Open Loop Output Resistance Supply Current Per Amplifier Channel Separation f 10Hz (Note 9) VO = 10V, RL = 2k 134 VCM = 12V VS = 4V to 18V RL 10k, VO = 10V RL 2k, VO = 10V RL 2k RL 2k (Notes 3, 7) fO = 10kHz (Note 3) VO = 0, IO = 0 CONDITIONS (Note 2) LT1126 LT1127 LT1126AM/AC LT1127AM/AC MIN TYP MAX 20 25 0.3 5 6 7 70 3.0 2.7 1.3 0.3 12.0 12.8 112 116 5.0 2.0 8.0 45 126 126 17.0 4.0 11 65 75 2.6 150 3.1 130 106 110 3.0 1.5 8.0 45 70 90 LT1126M/C LT1127M/C MIN TYP MAX 25 30 0.3 6 7 8 70 3.0 2.7 1.3 0.3 12.0 12.8 124 124 15.0 3.0 11 65 75 2.6 150 3.1 100 140 UNITS V V V/Mo nA nA nA nVp-p nV/Hz nV/Hz pA/Hz pA/Hz V dB dB V/V V/V V V/s MHz mA dB
LT1126 LT1127 0.1Hz to 10Hz (Notes 8, 9) fO = 10Hz (Note 5) fO = 1000Hz (Note 3) fO = 10Hz fO = 1000Hz
15 20 20 200 5.5 4.2
20 30 30 5.5 4.2
13.0 13.8
12.5 13.8
The denotes the specifications which apply over the full operating temperature range, otherwise specifications are at VS = 15V, - 55C TA 125C, unless otherwise noted.
LT1126AM LT1127AM MIN TYP MAX

SYMBOL VOS VOS Temp IOS IB VCM CMRR PSRR AVOL VOUT SR IS
PARAMETER Input Offset Voltage Average Input Offset Voltage Drift Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Large Signal Voltage Gain Maximum Output Voltage Swing Slew Rate Supply Current Per Amplifier
CONDITIONS (Note 1) LT1126 LT1127 (Note 5) LT1126 LT1127
LT1126M LT1127M MIN TYP MAX 60 70 0.4 20 20 20 11.3 12 100 104 2.0 0.7 7.0 120 120 10.0 2.0 10 2.8 3.5 250 290 1.5 60 70 70
UNITS V V V/C nA nA nA V dB dB V/V V/V V V/s mA
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50 55 0.3 18 18 18 11.3 12 106 110 3.0 1.0 7.2 122 122 10.0 3.0 10 2.8
170 190 1.0 45 55 55
VCM = 11.3V VS = 4V to 18V RL 10k, VO = 10V RL 2k, VO = 10V RL 2k RL 2k (Notes 3, 7)

12.5 13.6 3.5
12.0 13.6
3
LT1126/LT1127
The denotes the specifications which apply over the full operating temperature range, otherwise specifications are at VS = 15V, 0C TA 70C, unless otherwise noted.
LT1126AC LT1127AC TYP MAX 35 120 40 140 0.3 1.0 6 25 7 35 8 35 12.4 125 125 15.0 3.5 13.7 10.5 2.7 3.3 LT1126C LT1127C MIN TYP MAX 45 170 50 210 0.4 1.5 7 35 8 45 9 45 11.5 12.4 102 122 107 122 2.5 14.0 1.0 2.5 12.0 13.7 7.3 10.5 2.7 3.3
ELECTRICAL CHARACTERISTICS
SYMBOL VOS PARAMETER Input Offset Voltage Average Input Offset Voltage Drift Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Large Signal Voltage Gain Maximum Output Voltage Swing Slew Rate Supply Current Per Amplifier
VOS /T IOS IB VCM CMRR PSRR AVOL VOUT SR IS
CONDITIONS (Note 2) LT1126 LT1127 (Note 5) LT1126 LT1127
MIN

VCM = 11.5V VS = 4V to 18V RL 10k, VO = 10V RL 2k, VO = 10V RL 2k RL 2k (Notes 3, 7)
11.5 109 112 4.0 1.5 12.5 7.5
UNITS V V V/C nA nA nA V dB dB V/V V/V V V/s mA
The denotes the specifications which apply over the full operating temperature range, otherwise specifications are at VS = 15V, -40C TA 85C, unless otherwise noted. (Note 10)
LT1126AC LT1127AC MIN TYP MAX

SYMBOL VOS VOS /T IOS IB VCM CMRR PSRR AVOL VOUT SR IS
PARAMETER Input Offset Voltage Average Input Offset Voltage Drift Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Large Signal Voltage Gain Maximum Output Voltage Swing Slew Rate Supply Current Per Amplifier
CONDITIONS (Note 2) LT1126 LT1127 (Note 5) LT1126 LT1127
LT1126C LT1127C MIN TYP MAX 50 200 55 240 0.4 1.5 17 55 17 65 17 65 11.4 12.2 101 121 106 121 2.2 12.0 0.8 2.3 12.0 13.6 7.1 10.2 2.8 3.4
UNITS V V V/C nA nA nA V dB dB V/V V/V V V/s mA
VCM = 11.4V VS = 4V to 18V RL 10k, VO = 10V RL 2k, VO = 10V RL 2k RL 2k (Note 7)
11.4 107 111 3.5 1.2 12.5 7.3
40 140 45 160 0.3 1.0 15 40 15 50 15 50 12.2 124 124 12.0 3.2 13.6 10.2 2.8 3.4
Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Typical parameters are defined as the 60% yield of parameter distributions of individual amplifiers; i.e., out of 100 LT1127s (or 100 LT1126s) typically 240 op amps (or 120) will be better than the indicated specification. Note 3: This parameter is 100% tested for each individual amplifier. Note 4: This parameter is sample tested only. Note 5: This parameter is not 100% tested. Note 6: The inputs are protected by back-to-back diodes. Current limiting resistors are not used in order to achieve low noise. If differential input voltage exceeds 1.4V, the input current should be limited to 25mA.
Note 7: Slew rate is measured in AV = -10; input signal is 1V, output measured at 5V. Note 8: 0.1Hz to 10Hz noise can be inferred from the 10Hz noise voltage density test. See the test circuit and frequency response curve for 0.1Hz to 10Hz tester in the Applications Information section of the LT1007 or LT1028 datasheets. Note 9: This parameter is guaranteed but not tested. Note 10: The LT1126/LT1127 are designed, characterized and expected to meet these extended temperature limits, but are not tested at -40C and at 85C. Guaranteed I grade parts are available. Consult factory.
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LT1126/LT1127
TYPICAL PERFOR A CE CHARACTERISTICS
The typical behavior of many LT1126/LT1127 parameters is identical to the LT1124/LT1125. Please refer to the LT1124/LT1125 data sheet for the following performance characteristics:
0.1Hz to 10Hz Voltage Noise 0.01Hz to 1Hz Voltage Noise Current Noise vs Frequency Input Bias or Offset Current vs Temperature Output Short Circuit Current vs Time Input Bias Current Over the Common Mode Range Voltage Gain vs Temperature Input Offset Voltage Drift Distribution Offset Voltage Drift with Temperature of Representative Units Output Voltage Swing vs Load Current Common Mode Limit vs Temperature Channel Separation vs Frequency Warm-Up Drift Power Supply Rejection Ratio vs Frequency
Gain, Phase Shift vs Frequency
50 40
O
VS = 15V TA = 25C C L = 10pF
VOLTAGE GAIN (dB)
30 20 10 0 -10 0.1 1.0 10 FREQUENCY (MHz)
1126-7 G01
GAIN
Voltage Gain vs Frequency
180 160 140
VOLTAGE GAIN (dB)
140 120 100 80 60 40 20 0 1k 10k 100k
SUPPLY CURRENT PER AMPLIFIER (mA)
COMMON MODE REJECTION RATIO (dB)
VS = 15V TA = 25C
120 100 80 60 40 20 0 -20 0.01 1 100 10k 1M 100M
1126-7 G04
FREQUENCY (Hz)
*See LT1115 data sheet for definition of CCIF testing
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UW
Small-Signal Transient Response
60 80
Large-Signal Transient Response
50mV
+10V
PHASE SHIFT (DEGREES)
100 120 140 160 180 100
0mV
0V
-10V
-50mV
A VCL = -10, VS = 15V OR 5V C L = 15pF
A VCL = -10, VS = 15V
1126-7 G03
1126-7 G02
Common Mode Rejection Ratio vs Frequency
160 TA = 25C VS = 15V VCM = 10V 3
Supply Current vs Supply Voltage
125C 25C 2 -55C
1
0 1M 10M
1126-7 G05
0
5
10
15
20
1126-7 G06
FREQUENCY (Hz)
SUPPLY VOLTAGE (V)
5
LT1126/LT1127
TYPICAL PERFOR A CE CHARACTERISTICS
Total Harmonic Distortion and Noise vs Frequency for Inverting Gain
TOTAL HARMONIC DISTORTION + NOISE (%)
TOTAL HARMONIC DISTORTION + NOISE (%)
INTERMODULATION DISTORTION (IMD) (%)
0.1 ZL = 2k/15pF VO = 20Vp-p AV = -10, -100 MEASUREMENT BANDWITH = 10Hz TO 80kHz
0.010
AV = -100 0.001 AV = -10
0.0001 20
100
1k FREQUENCY (Hz)
*See LT1115 data sheet for definition of CCIF testing
APPLICATIO S I FOR ATIO
Matching Specifications
In many applications the performance of a system depends on the matching between two op amps, rather than the individual characteristics of the two devices. The three op amp instrumentation amplifier configuration shown in this data sheet is an example. Matching characteristics are not 100% tested on the LT1126/LT1127.
Expected Match
LT1126AM/AC LT1127AM/AC 50% YIELD 98% YIELD 20 30 0.35 6 7 126 127 110 150 1.0 18 22 115 118 LT1126M/C LT1127M/C 50% YIELD 30 50 0.5 7 8 123 127 98% YIELD 130 180 1.5 25 30 112 114 UNITS V V V/C nA nA dB dB
PARAMETER VOS Match, VOS LT1126 LT1127 Temperature Coefficient Match Average Non-Inverting IB Match of Non-Inverting IB CMRR Match PSRR Match
6
U
W
UW
1126-7 G07
Total Harmonic Distortion and Noise vs Frequency for Non-Inverting Gain
0.1 ZL = 2k/15pF VO = 20Vp-p AV = +10, +100 MEASUREMENT BANDWITH = 10Hz TO 80kHz AV = +100 0.001 AV = +10
Intermodulation Distortion (CCIF Method)* vs Frequency
0.1 ZL = 2k/15pF f (IM) = 1kHz fO = 13.5kHz VO = 20Vp-p AV = -10 MEASUREMENT BANDWITH = 10Hz TO 80kHz
0.010
0.010
0.001
LT1126 10k FREQUENCY (Hz) 20k
1126-7 G09
10k 20k
0.0001 20
100
1k FREQUENCY (Hz)
10k 20k
1126-7 G08
0.0001 3k
U
U
Some specifications are guaranteed by definition. For example, 70V maximum offset voltage implies that mismatch cannot be more than 140V. 112dB (= 2.5V/V) CMRR means that worst case CMRR match is 106dB (5V/V). However, the following table can be used to estimate the expected matching performance between the two sides of the LT1126, and between amplifiers A and D, and between amplifiers B and C of the LT1127.
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LT1126/LT1127
APPLICATIO S I FOR ATIO
High Speed Operation
When the feedback around the op amp is resistive (RF), a pole will be created with RF, the source resistance and capacitance (RS, CS), and the amplifier input capacitance (CIN 2pF). In low closed loop gain configurations and
CF
RS
TYPICAL APPLICATI
S
Gain Error vs Frequency Closed Loop Gain = 1000
1.0 TYPICAL PRECISION OP AMP
Gain 1000 Amplifier with 0.01% Accuracy, DC to 5Hz
340k 1% 365 1% 15k 5% +15V 20k TRIM
GAIN ERROR (%)
-
LT1126 OUTPUT RN60C FILM RESISTORS -15V
+
INPUT
THE HIGH GAIN AND WIDE BANDWIDTH OF THE LT1126/LT1127 IS USEFUL IN LOW FREQUENCY HIGH CLOSED LOOP GAIN AMPLIFIER APPLICATIONS. A TYPICAL PRECISION OP AMP MAY HAVE AN OPEN LOOP GAIN OF ONE MILLION WITH 500kHz BANDWIDTH. AS THE GAIN ERROR PLOT SHOWS, THIS DEVICE IS CAPABLE OF 0.1% AMPLIFYING ACCURACY UP TO 0.3Hz ONLY. EVEN INSTRUMENTATION RANGE SIGNALS CAN VARY AT A FASTER RATE. THE LT1126/LT1127 "GAIN PRECISION -- BANDWIDTH PRODUCT" IS 330 TIMES HIGHER, AS SHOWN.
1126-7 TA02
U
with RS and RF in the kilohm range, this pole can create excess phase shift and even oscillation. A small capacitor (CF) in parallel with RF eliminates this problem. With RS (CS + CIN) = RF CF, the effect of the feedback pole is completely removed.
RF
W
UO
U
U
-
CS CIN OUTPUT
+
1126-7 AI01
0.1
0.01
LT1126/LT1127 CLOSED LOOP GAIN OPEN LOOP GAIN 10 100
1126-7 TA03
GAIN ERROR = 0.001 0.1 1
FREQUENCY (Hz)
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LT1126/LT1127
TYPICAL APPLICATI UO
INPUT
S
1.1k
Low Noise, Wideband, Gain = 100 Amplifier with High Input Impedance
120
-
1/4 LT1127
2.4k
7.5k
500
+
1.1k 2.4k
-
1/4 LT1127 OUTPUT
120
-
1/4 LT1127
+
+
1.1k 2.4k
120
-
1/4 LT1127
-3dB BANDWIDTH = 910 kHz GAIN BANDWIDTH PRODUCT = 91.0MHz WIDEBAND NOISE = 3.2nV/Hz = 1.85nV/Hz REFERRED TO INPUT 3 RMS NOISE DC TO FULL BANDWIDTH = 21.2V REFERRED TO INPUT
1126-7 TA04
+
PACKAGE DESCRIPTIO
CORNER LEADS OPTION (4 PLCS) .300 BSC (7.62 BSC) .023 - .045 (0.584 - 1.143) HALF LEAD OPTION .045 - .068 (1.143 - 1.650) FULL LEAD OPTION
.008 - .018 (0.203 - 0.457)
0 - 15
NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE OR TIN PLATE LEADS
8
U
J8 Package 8-Lead CERDIP (Narrow .300 Inch, Hermetic)
(Reference LTC DWG # 05-08-1110)
.200 (5.080) MAX .015 - .060 (0.381 - 1.524) .405 (10.287) MAX 8 7 6 5 .005 (0.127) MIN .025 (0.635) RAD TYP 1 2 3 .220 - .310 (5.588 - 7.874) .045 - .065 (1.143 - 1.651) .014 - .026 (0.360 - 0.660) .100 (2.54) BSC .125 3.175 MIN 4
J8 0801
OBSOLETE PACKAGE
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LT1126/LT1127
PACKAGE DESCRIPTIO
.300 - .325 (7.620 - 8.255)
.008 - .015 (0.203 - 0.381)
.065 (1.651) TYP .120 (3.048) .020 MIN (0.508) MIN .018 .003 (0.457 0.076)
(
+.035 .325 -.015 +0.889 8.255 -0.381
)
INCHES MILLIMETERS *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
NOTE: 1. DIMENSIONS ARE
S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1610)
.045 .005 .050 BSC
.010 - .020 x 45 (0.254 - 0.508) .008 - .010 (0.203 - 0.254) .053 - .069 (1.346 - 1.752) 0- 8 TYP 8 .004 - .010 (0.101 - 0.254) .189 - .197 (4.801 - 5.004) NOTE 3 7 6 5
.016 - .050 (0.406 - 1.270)
NOTE: 1. DIMENSIONS IN
INCHES (MILLIMETERS) 2. DRAWING NOT TO SCALE 3. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
.014 - .019 (0.355 - 0.483) TYP
.300 BSC (7.62 BSC)
.008 - .018 (0.203 - 0.457)
0 - 15 1 .045 - .065 (1.143 - 1.651) .100 (2.54) BSC .125 (3.175) MIN
J14 0801
NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE OR TIN PLATE LEADS
U
N8 Package 8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
.130 .005 (3.302 0.127) .400* (10.160) MAX 8 7 6 5 .045 - .065 (1.143 - 1.651) .255 .015* (6.477 0.381) 1 2 3 4 .100 (2.54) BSC
N8 1002
.245 MIN
.160 .005 .228 - .244 (5.791 - 6.197)
.050 (1.270) BSC
.150 - .157 (3.810 - 3.988) NOTE 3
.030 .005 TYP
RECOMMENDED SOLDER PAD LAYOUT
1
2
3
4
SO8 0303
J Package 14-Lead CERDIP (Narrow .300 Inch, Hermetic)
(Reference LTC DWG # 05-08-1110)
.200 (5.080) MAX .015 - .060 (0.381 - 1.524) .005 (0.127) MIN .785 (19.939) MAX 14 13 12 11 10 9 8
.025 (0.635) RAD TYP
.220 - .310 (5.588 - 7.874)
2
3
4
5
6
7
.014 - .026 (0.360 - 0.660)
OBSOLETE PACKAGE
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9
LT1126/LT1127
PACKAGE DESCRIPTIO
.300 - .325 (7.620 - 8.255)
.020 (0.508) MIN .008 - .015 (0.203 - 0.381) +.035 .325 -.015 .005 (0.127) .100 MIN (2.54) BSC
(
+0.889 8.255 -0.381
)
INCHES MILLIMETERS *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
NOTE: 1. DIMENSIONS ARE
10
U
N Package 14-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
.770* (19.558) MAX 14 13 12 11 10 9 8 .255 .015* (6.477 0.381) 1 .130 .005 (3.302 0.127) 2 3 4 5 6 7 .045 - .065 (1.143 - 1.651) .065 (1.651) TYP .120 (3.048) MIN .018 .003 (0.457 0.076)
N14 1103
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LT1126/LT1127
PACKAGE DESCRIPTIO
.030 .005 TYP N
.420 MIN
1
2
3
RECOMMENDED SOLDER PAD LAYOUT 1 .291 - .299 (7.391 - 7.595) NOTE 4 .010 - .029 x 45 (0.254 - 0.737)
0 - 8 TYP
.005 (0.127) RAD MIN
.009 - .013 (0.229 - 0.330)
NOTE 3 .016 - .050 (0.406 - 1.270)
NOTE: 1. DIMENSIONS IN
INCHES (MILLIMETERS) 2. DRAWING NOT TO SCALE 3. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS. THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS 4. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
U
SW Package 16-Lead Plastic Small Outline (Wide .300 Inch)
(Reference LTC DWG # 05-08-1620)
.050 BSC .045 .005 .398 - .413 (10.109 - 10.490) NOTE 4 16 15 14 13 12 11 10 9 N .325 .005 NOTE 3 .394 - .419 (10.007 - 10.643) N/2 N/2 2 3 4 5 6 7 8 .093 - .104 (2.362 - 2.642) .037 - .045 (0.940 - 1.143) .050 (1.270) BSC .004 - .012 (0.102 - 0.305) .014 - .019 (0.356 - 0.482) TYP
S16 (WIDE) 0502
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LT1126/LT1127
SCHE ATIC DIAGRA
Q7
Q9 Q10
Q3 Q8 Q17 Q19 Q20
NON-INVERTING INPUT (+)
V- Q1A Q1B Q2B 67pF V+ V+ Q23 Q24 200A 200A 100A 200 6k 200 6k 50 20pF Q2A 400 Q30
INVERTING INPUT (-)
Q13
RELATED PARTS
PART NUMBER LT1124/LT1125 LT1037 LT1678/LT1679 LT1028 LT6230 DESCRIPTION Dual/Quad Low Noise High Speed Precision Op Amps Low Noise, High Speed Precision Op Amps Dual/Quad Low Noise Rail-to-Rail Precision Op Amps Ultralow Noise Precision High Speed Op Amps 215MHz, Rail-to-Rail Output Low Noise Op Amps COMMENTS Unity Gain Stable 60MHz GBW, 11V/s Slew Rate 20MHz GBW, 100V VOS 1.1nV/Hz Max, 0.85 V/Hz Typ 1.1nV/Hz, 3.5mA Supply Current
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507
W
21k
W
(1/2 LT1126, 1/4 LT1127)
V+ 360A 570A 100A Q28 200pF 21k 3.6k 3.6k Q18 Q25 Q26 5pF Q27 20 OUTPUT
20
Q29 Q22 Q11 Q12 Q15 Q16
V-
1126-7 SS01
11267fa LT/LT 0705 REV A * PRINTED IN USA
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(c) LINEAR TECHNOLOGY CORPORATION 1992

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