High-precision, single-function operational amplifier featuring a low input offset voltage of 20µV maximum. This CMOS chopper-stabilized amplifier operates within a commercial temperature range of 0°C to 70°C, with nominal supply voltages of ±15V and a maximum limit of ±18V. It offers a high voltage gain of 1 million minimum and a unity gain bandwidth of 500kHz, supported by a slew rate of 0.5V/µs. The device is housed in a 16-terminal SO-16 (PDSO-16) package with a maximum supply current of 3.5mA.
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Maxim MAX421CWE technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 16 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDSO-G16 |
| Width | 7.5 |
| Length | 10.3 |
| Pin Count | 16 |
| Number of Functions | 1 |
| Temperature Grade | COMMERCIAL |
| Supply Voltage-Nom (Vsup) | 15 |
| Supply Current-Max | 3.5 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Supply Voltage Limit-Max | 18 |
| Input Offset Voltage-Max | 20 |
| Average Bias Current-Max (IIB) | 0.0001 |
| Architecture | CHOPPER-STAB |
| Bias Current-Max (IIB) @25C | 0.0001 |
| Neg Supply Voltage-Nom (Vsup) | -15 |
| Slew Rate-Nom | 0.5 |
| Frequency Compensation | YES |
| Low-Offset | YES |
| Common-mode Reject Ratio-Nom | 140 |
| Voltage Gain-Min | 1000000 |
| Unity Gain BW-Nom | 500 |
| Low-Bias | YES |
| Neg Supply Voltage Limit-Max | -18 |
| Micropower | NO |
| RoHS | No |
| Eccn Code | EAR99 |
| HTS Code | 8542.33.00.01 |
| REACH | not_compliant |
| Military Spec | False |
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