Datasheet AD621 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Low Drift, Low Power Instrumentation Amplifier |
| Pages / Page | 16 / 6 — AD621. 1000. 100mV. 100. nV/ –. CURRENT NOISE. FREQUENCY – Hz. 100,000. … |
| Revision | B |
| File Format / Size | PDF / 535 Kb |
| Document Language | English |
AD621. 1000. 100mV. 100. nV/ –. CURRENT NOISE. FREQUENCY – Hz. 100,000. 10,000. C, RTI. FET INPUT. V/div. IN AMP. 0.2. C TO 85. RTI NOISE. AD621A
Model Line for this Datasheet
Text Version of Document
AD621 1000 100mV 1s 100 Hz 90 nV/ – 100 10 CURRENT NOISE 0% 10 1 10 100 1000 FREQUENCY – Hz
TPC 7. Current Noise Spectral Density vs. Frequency TPC 9. 0.1 Hz to 10 Hz Current Noise, 5 pA per Vertical Div, 1 Second per Horizontal Div
100,000 V
– 10,000
ⴗ
C, RTI FET INPUT V/div IN AMP
0.2
ⴗ
C TO 85 – 1000 RTI NOISE 100 AD621A TOTAL DRIFT FROM 25 10 TIME – 1 sec/div 1k 10k 100k 1M 10M SOURCE RESISTANCE –
⍀ TPC 8a. 0.1 Hz to 10 Hz RTI Voltage Noise, Gain = 10 TPC 10. Total Drift vs. Source Resistance
160 140 GAIN = 100 120 V/div
100 GAIN = 10 0.1 dB – – 80 CMR 60 RTI NOISE 40 20 0 TIME – 1 sec/div 0.1 1 10 100 1k 10k 100k 1M FREQUENCY – Hz
TPC 8b. 0.1 Hz to 10 Hz RTI Voltage Noise, G = 100 TPC 11. CMR vs. Frequency, RTI, for a Zero to 1 kΩ Source Imbalance –6– REV. B
TPC 7. Current Noise Spectral Density vs. Frequency TPC 9. 0.1 Hz to 10 Hz Current Noise, 5 pA per Vertical Div, 1 Second per Horizontal Div
100,000 V
– 10,000
ⴗ
C, RTI FET INPUT V/div IN AMP
0.2
ⴗ
C TO 85 – 1000 RTI NOISE 100 AD621A TOTAL DRIFT FROM 25 10 TIME – 1 sec/div 1k 10k 100k 1M 10M SOURCE RESISTANCE –
⍀ TPC 8a. 0.1 Hz to 10 Hz RTI Voltage Noise, Gain = 10 TPC 10. Total Drift vs. Source Resistance
160 140 GAIN = 100 120 V/div
100 GAIN = 10 0.1 dB – – 80 CMR 60 RTI NOISE 40 20 0 TIME – 1 sec/div 0.1 1 10 100 1k 10k 100k 1M FREQUENCY – Hz
TPC 8b. 0.1 Hz to 10 Hz RTI Voltage Noise, G = 100 TPC 11. CMR vs. Frequency, RTI, for a Zero to 1 kΩ Source Imbalance –6– REV. B
