Datasheet LT1222 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 500MHz, 3nV/√Hz, AV ≥ 10 Operational Amplifier |
| 页数 / 页 | 12 / 8 — TYPICAL APPLICATIONS N. VOS Null Loop. Two Op Amp Instrumemtation … |
| 文件格式/大小 | PDF / 262 Kb |
| 文件语言 | 英语 |
TYPICAL APPLICATIONS N. VOS Null Loop. Two Op Amp Instrumemtation Amplifier. SI PLIFIED SCHE ATIC
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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
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