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RH111 Voltage Comparator
DESCRIPTIO
ABSOLUTE
AXI U
RATI GS
The RH111 is a general purpose voltage comparator. The RH111 offers maximum input offset voltage of 3mV and input offset current of 10nA with a typical response time of 200ns. The RH111 can operate from a single 5V supply to 15V supplies and can drive up to 50mA loads referred to ground or either supply. A separate output Ground pin allows output signals to be isolated from analog ground. The wafer lots are processed to the requirements of MIL-STD-883 Class S to yield circuits usable in precision space applications.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Supply Voltage (Pin 8 to Pin 4)................................ 36V Output to Negative Supply (Pin 7 to Pin 4) .............. 35V Ground to Negative Supply (Pin 1 to Pin 4) ............. 30V Differential Input Voltage ......................................... 35V Voltage at Strobe Pin (Pin 6 to Pin 8) ........................ 5V Input Voltage (Note 1) ........................................... 15V Output Short-Circuit Duration ............................. 10 sec Operating Temperature Range (Note 2) ................................ - 55C to 125C Storage Temperature Range ................. - 65C to 150C Lead Temperature (Soldering, 10 sec).................. 300C
BUR -I CIRCUIT
18V
15V
1.3k
50k
2
8
100k
50k 5 7
+ -
4
OR
2V
3
8
-
7
200 50k 3 1
2
+
4
1 604
-18V
RH111 BI01
-15V
RH111 BI02
PACKAGE/ORDER I FOR ATIO
TOP VIEW V+ 8 GND 1 +IN 2 -IN 3
+ -
TOP VIEW
TOP VIEW
7 OUT 6 BALANCE/ STROBE 5 BALANCE
GND 1 +IN 2 -IN 3 V- 4 J8 PACKAGE 8-LEAD CERDIP
8 7 6 5
V+ OUT BALANCE/ STROBE BALANCE
GND +IN -IN NC V--
1 2 3 4 5
10 9 8 7 6
4 V-
H PACKAGE 8-LEAD TO-5 METAL CAN
W PACKAGE 10-LEAD CERPAC
Note: For ordering information contact LTC.
U
WW
W
U
W
U
U
UU
V+ OUTPUT NC BAL/STROBE BAL
1
RH111 TABLE 1: ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER VOS IOS IB AVOL tD VOL Input Offset Voltage Input Offset Current Input Bias Current Large-Signal Voltage Gain Input Voltage Range Response Time Output Saturation Voltage VIN = 5mV, IOUT = 50mA, V + 4.5V, V - = 0V VIN 6mV, IOUT 8mA Output Leakage Current Positive Supply Current Negative Supply Current Strobe Current Input Capacitance Minimum to Ensure Output Transistor Is Turned Off 6 3 6 VIN = 5V, ISTROBE = 3mA, VOUT = 20V VS = 15V, VPIN7 5V 5 CONDITIONS RS 50k NOTES 3,4 3,4 3 7 40 - 14.5 200 1.5 0.4 10 6.0 5.0 1 1 1 1 1 0.4 500 2,3 2,3 13.0 MIN
(Preirradiation) (Note 8)
TA = 25C TYP MAX 3.0 10 100 SUB- - 55C TA 125C SUBGROUP MIN TYP MAX GROUP 1 1 1 4 1 - 14.5 13.0 2,3 4.0 20 150 2,3 2,3 2,3
UNITS mV nA nA V/mV V ns V V nA mA mA mA pF
TABLE 1A: ELECTRICAL CHARACTERISTICS
SYMBOL VOS IOS IB AVOL PARAMETER Input Offset Voltage Input Offset Current Input Bias Current Large-Signal Voltage Gain Input Voltage Range VOL Output Saturation Voltage VS = 15V, VPIN7 5V VIN = 5mV, IOUT = 50mA V + 4.5V, V - = 0V VIN 6mV, IOUT 8mA Output Leakage Current Positive Supply Current Negative Supply Current Strobe Current Input Capacitance Minimum to Ensure Output Transistor Is Turned Off 6 VIN 5mV, ISTROBE = 3mA VOUT = 20V 7 40 -14.5 CONDITIONS RS 50k NOTES
(Postirradiation) (Note 9)
20KRAD(Si) MIN MAX 3.0 10 150 40 13.0 -14.5 1.5 0.4 10 6.0 5.0 40 13.0 -14.5 1.5 0.4 10 6.0 5.0 3(Typ) 6(Typ) 50KRAD(Si) MIN MAX 3.0 10 200 40 13.0 -14.5 1.5 0.4 100 6.0 5.0 3(Typ) 6(Typ) 100KRAD(Si) 200KRAD(Si) MIN MAX MIN MAX UNITS 3.0 25 300 25 13.0 - 14.5 1.5 0.4 100 6.0 5.0 3(Typ) 6(Typ) 13.0 1.5 0.4 100 6.0 5.0 3(Typ) 6(Typ) 4.0 50 400 mV nA nA V/mV V V V nA mA mA mA pF
10KRAD(Si) MIN MAX 3.0 10 100
3 (Typ) 6 (Typ)
2
RH111
Note 1: Applicable for 15V supplies. The positive input voltage limit is 30V above the negative supply. The negative input voltage limit is the negative supply. Note 2: TJMAX = 150C Note 3: Offset voltage, offset current and bias current specifications apply for any supply voltage from a single 5V up to 15V supplies. Note 4: Offset voltage and offset currents shown are the maximum values required to drive the output within a volt of either supply with a 1mA load. These parameters define an error band and take into account the worstcase effects of voltage gain and input impedance. Note 5: Response time is specified for a 100mV input step with 5mV overdrive with the collector output terminated with a 500 pull-up resistor tied to 5V. Note 6: Do not short the Strobe pin to ground. It should be current driven at 3mA to 5mA for the shortest strobe time. Currents as low as 500A will strobe the RH111 if speed is not important. External leakage on the Strobe pin in excess of 0.2A when the strobe is "off " can cause offset voltage shifts. Note 7: RL = 1k, - 10V VOUT 14.5V Note 8: VS = 15V, unless otherwise noted. Note 9: VS = 15V, VCM = 0V, TA = 25C, unless otherwise noted.
TOTAL DOSE BIAS CIRCUIT
12V
47k
12
5.1k
- +
12
-12V
RH111 TA01
TABLE 2: ELECTRICAL TEST REQUIRE E TS
MIL-STD-883 TEST REQUIREMENTS Final Electrical Test Requirements (Method 5004) Group A Test Requirements (Method 5005) Group C and D End Point Electrical Parameters (Method 5005) * PDA Applies to subgroup 1. See PDA Test Notes. SUBGROUP 1*,2,3,4 1,2,3,4 1 PDA Test Notes The PDA is specified as 5% based on failures from group A, subgroup 1, tests after cooldown as the final electrical test in accordance with method 5004 of MIL-STD-883 Class B. The verified failures of group A, subgroup 1, after burn-in divided by the total number of devices submitted for burnin in that lot shall be used to determine the percent for the lot. Linear Technology Corporation reserves the right to test to tighter limits than those given.
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.
UW
3
RH111 TYPICAL PERFORMANCE CHARACTERISTICS
Input Offset Voltage
8 6
INPUT OFFSET VOLTAGE (mV)
VOLTAGE GAIN (V/mV)
BIAS CURRENT (nA)
4 2 0 -2 -4 -6 1 10 100 TOTAL DOSE KRAD (Si) 1000
RH111 G01
Common Mode Rejection Ratio
130 30 20
INPUT OFFSET CURRENT (nA)
COMMON MODE REJECTION RATIO (dB)
120 110 100 90 80 70 60 1 10 100 TOTAL DOSE KRAD (Si) 1000
RH111 G04
4
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507q TELEX: 499-3977 q www.linear-tech.com
q
UW
Voltage Gain
700 600 500 400 300 200 100 0 1 10 100 TOTAL DOSE KRAD (Si) 1000
RH111 G02
Input Bias Current
350 300 250 200 150 100 50 0 1 10 100 TOTAL DOSE KRAD (Si) 1000
RH111 G03
Input Offset Current
10 0 -10 -20 -30 -40 1 10 100 TOTAL DOSE KRAD (Si) 1000
RH111 G05
I.D. No. 66-11-0111 Rev. B
LT/HP 0897 500 REV B * PRINTED IN USA
(c) LINEAR TECHNOLOGY CORPORATION 1989

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