Datasheet LT1222 (Analog Devices) - 8

LT1222
U TYPICAL APPLICATIONS N VOS Null Loop Two Op Amp Instrumemtation Amplifier
R5 R4 150k 150k 220Ω 10k 1 R1 R2 IN V + 10k 1k 8 V LT1222 OUT AV = 1001 – R3 25k 1k – LT1220 + – LT1222 VOUT 10k 10k 100pF 25Ω + VIN + – GAIN = [R4/R3][1 + (1/2)(R2/R1 + R3/R4) + (R2 + R3)/R5] = 102 TRIM R5 FOR GAIN 100pF LT1097 TRIM R1 FOR COMMON MODE REJECTION LT1222 • TA03 BW = 3MHz LT1222 • TA04 +
W W SI PLIFIED SCHE ATIC
V+ 7 NULL 1 8 BIAS 2 BIAS 1 COMP 5 6 OUT +IN 3 2 –IN V – 4 LT1222 • SS 1222fc 8