| (Typical @ +258C, VS = 615 V, and RL = 2 kV, unless otherwise noted) |
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| AD620A |
| AD620B |
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| AD620S1 |
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Model | Conditions | Min | Typ | Max | Min | Typ | Max | Min | Typ | Max | Units |
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GAIN | G = 1 + (49.4 k/RG) |
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Gain Range | VOUT = ± 10 V | 1 |
| 10,000 | 1 |
| 10,000 | 1 |
| 10,000 |
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Gain Error2 |
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G = 1 |
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| 0.03 | 0.10 |
| 0.01 | 0.02 |
| 0.03 | 0.10 | % |
G = 10 |
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| 0.15 | 0.30 |
| 0.10 | 0.15 |
| 0.15 | 0.30 | % |
G = 100 |
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| 0.15 | 0.30 |
| 0.10 | 0.15 |
| 0.15 | 0.30 | % |
G = 1000 |
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| 0.40 | 0.70 |
| 0.35 | 0.50 |
| 0.40 | 0.70 | % |
Nonlinearity, | VOUT = |
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G = | RL = 10 kΩ |
| 10 | 40 |
| 10 | 40 |
| 10 | 40 | ppm |
G = | RL = 2 kΩ |
| 10 | 95 |
| 10 | 95 |
| 10 | 95 | ppm |
Gain vs. Temperature |
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| ppm/°C |
| G =1 |
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| 10 |
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| 10 |
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| Gain >12 |
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| ppm/°C | |||
VOLTAGE OFFSET | (Total RTI Error = VOSI + VOSO/G) |
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Input Offset, VOSI | VS = ± 5 V to ± 15 V |
| 30 | 125 |
| 15 | 50 |
| 30 | 125 | μV |
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Over Temperature | VS = ± 5 V to ± 15 V |
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| 185 |
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| 85 |
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| 225 | μV |
Average TC | VS = ± 5 V to ± 15 V |
| 0.3 | 1.0 |
| 0.1 | 0.6 |
| 0.3 | 1.0 | μV/°C |
Output Offset, VOSO | VS = ± 15 V |
| 400 | 1000 |
| 200 | 500 |
| 400 | 1000 | μV |
| VS = ± 5 V |
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| 1500 |
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| 750 |
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| 1500 | μV |
Over Temperature | VS = ± 5 V to ± 15 V |
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| 2000 |
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| 1000 |
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| 2000 | μV |
Average TC | VS = ± 5 V to ± 15 V |
| 5.0 | 15 |
| 2.5 | 7.0 |
| 5.0 | 15 | μV/°C |
Offset Referred to the |
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Input vs. | VS = ± 2.3 V to ± 18 V |
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Supply (PSR) |
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G = 1 |
| 80 | 100 |
| 80 | 100 |
| 80 | 100 |
| dB |
G = 10 |
| 95 | 120 |
| 100 | 120 |
| 95 | 120 |
| dB |
G = 100 |
| 110 | 140 |
| 120 | 140 |
| 110 | 140 |
| dB |
G = 1000 |
| 110 | 140 |
| 120 | 140 |
| 110 | 140 |
| dB |
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INPUT CURRENT |
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Input Bias Current |
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| 0.5 | 2.0 |
| 0.5 | 1.0 |
| 0.5 | 2 | nA |
Over Temperature |
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| 2.5 |
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| 1.5 |
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| 4 | nA |
Average TC |
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| 3.0 |
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| 3.0 |
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| 8.0 |
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Input Offset Current |
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| 0.3 | 1.0 |
| 0.3 | 0.5 |
| 0.3 | 1.0 | nA |
Over Temperature |
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| 1.5 |
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| 0.75 |
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| 2.0 | nA |
Average TC |
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| 1.5 |
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| 1.5 |
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| 8.0 |
| pA/°C |
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INPUT |
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Input Impedance |
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| GΩipF |
Differential |
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| 10i2 |
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| 10i2 |
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| 10i2 |
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VS = ± 2.3 V to ± 5 V |
| 10i2 |
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| 10i2 |
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| 10i2 |
| GΩipF | |
Input Voltage Range3 |
| +VS – 1.2 |
| +VS – 1.2 |
| +VS – 1.2 | V | ||||
Over Temperature | VS = ± 5 V to ± 18 V |
| +VS – 1.3 |
| +VS – 1.3 |
| +VS – 1.3 | V | |||
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| +VS – 1.4 |
| +VS – 1.4 |
| +VS – 1.4 | V | ||||
Over Temperature |
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| +VS – 1.4 |
| +VS – 1.4 |
| +VS – 1.4 | V | |||
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Ratio DC to 60 Hz with |
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I kΩ Source Imbalance | VCM = 0 V to ± 10 V |
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G = 1 |
| 73 | 90 |
| 80 | 90 |
| 73 | 90 |
| dB |
G = 10 |
| 93 | 110 |
| 100 | 110 |
| 93 | 110 |
| dB |
G = 100 |
| 110 | 130 |
| 120 | 130 |
| 110 | 130 |
| dB |
G = 1000 |
| 110 | 130 |
| 120 | 130 |
| 110 | 130 |
| dB |
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OUTPUT | RL = 10 kΩ, |
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Output Swing |
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| VS = ± 2.3 V to ± 5 V |
| +VS – 1.2 |
| +VS – 1.2 |
| +VS – 1.2 | V | |||
Over Temperature | VS = ± 5 V to ± 18 V |
| +VS – 1.3 |
| +VS – 1.3 |
| +VS – 1.3 | V | |||
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| +VS – 1.4 |
| +VS – 1.4 |
| +VS – 1.4 | V | ||||
Over Temperature |
| ± 18 | +VS – 1.5 | ± 18 | +VS – 1.5 | ± 18 | +VS – 1.5 | V | |||
Short Current Circuit |
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REV. E |