Datasheet LT1213, LT1214 (Analog Devices) - 20

LT1213/LT1214
O U TYPICAL APPLICATI S Instrumentation Amplifier with Guard/Shield Driver and Input Bias Current Cancellation
V+ 0.1µF + 1/4 1k 10k** 1M LT1214 GUARD – A R
Input Bias Current vs
F 1020Ω
Common Mode Voltage
+ R 100 G 113Ω V+ = 5V + + 200Ω 1/4 1/4 80 INPUTS 5000pF LT1214 LT1214 OUTPUT B – – C 60 1M* – R 40 G 113Ω 1M 22pF GUARD 20 EACH INPUT BIAS CURRENT (nA) RF – 1020Ω 1/4 1k 10k 0 LT1214 0.01 0.1 1 10 D COMMON MODE VOLTAGE (V) + 1213/14 TA03a 1213/14 TA03b COMMON MODE RIN = 3G RF ( ) * TRIM FOR INPUT BIAS CURRENT DIFFERENTIAL R GAIN = 10 1 + = 100 IN = 2M R ** TRIM FOR CMRR G BANDWIDTH = 2MHz tr = 170ns
Ground Current Sense Amplifier Difference Amplifier with Wide Input Common Mode Range
V+ V+ 3.3V 5V VREF 750Ω 0.1µF 1.2V LOAD LT1004-1.2 0.1µF + 10k 1k 1/2 10k LT1213 VO = 1V/A +IN + IIN – 1/2 1k V 0.05 LT1213 OUT Ω OFFSET ≤ 5.5mA 10k 1910Ω BANDWIDTH = 500kHz –IN – tr = 1µs 10k 100Ω 100pF 1213/14 TA04 GAIN = 1; VOUT = VREF FOR VIN(DIF) = 0 ±10V COMMON MODE RANGE BANDWIDTH = 3MHz 1213/14 TA05
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LT1211/LT1212 14MHz, 7V/µs Single Supply Dual and Quad Precision Op Amps Half the Supply Current of the LT1213 LT1215/LT1216 23MHz, 50V/µs Single Supply Dual and Quad Precision Op Amps Four Times the Slew Rate of the LT1213 LT1630/LT1631 30MHz, 10V/µs Dual and Quad Rail-to-Rail Rail-to-Rail LT1213 Input and Output Precision Op Amps 12134fa LT/CP 1001 1.5K REV A • PRINTED IN USA 20 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com LINEAR TECHNOLOGY CORPORATION 1993