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The AD820 is a precision, low power FET input op amp that can operate from a single supply of 5 V to 36 V, or dual supplies of ±2.5 V to ±18 V. It has true single-supply capability, with an input voltage range extending below the negative rail, allowing the AD820 to accommodate input signals below ground in the single-supply mode. Output voltage swing extends to within 10 mV of each rail, providing the maximum output dynamic range. Offset voltage of 800 μV maximum, offset voltage drift of 2 μV/°C, typical input bias currents below 25 pA, and low input voltage noise provide dc precision with source impedances up to 1 GΩ. 1.8 MHz unity gain bandwidth, −93 dB THD at 10 kHz, and 3 V/μs slew rate are provided for a low supply current of 800 μA. The AD820 drives up to 350 pF of direct capacitive load and provides a minimum output current of 15 mA. This allows the amplifier to handle a wide range of load conditions. This combination of ac and dc performance, plus the outstanding load drive capability, results in an exceptionally versatile amplifier for the single-supply user. The AD820 is available in two performance grades. The A and B grades are rated over the industrial temperature range of −40°C to +85°C. The AD820 is offered in three 8-lead package options: plastic DIP (PDIP), surface mount (SOIC) and (MSOP). Applications Battery-powered precision instrumentation Photodiode preamps Active filters 12-bit to 14-bit data acquisition systems Medical instrumentation Low power references and regulators Data Sheet, Rev. F, 11/08
Количество в упаковке | 750 |
Корпус | SOIC-8 |
Вес | 0.5 г |
input_capacitance | 2.80 pF |
gbw | 1.90 MHz |
mil_spec | No |
lead_free_status | Contains Lead |
cmrr | 80.0 dB |
mounting_style | Surface Mount |
packaging | Cut Tape (CT), Tape & Reel (TR) |
case_package | SOIC |
bandwidth | 1.90 MHz |
slew_rate | 3.00 V/μs |
supply_current | 900 µA |
number_of_circuits | 1 |
lifecycle_status | Active |
input_impedance | 10.0 TΩ |
rohs_status | Compliant |
pin_count | 8 |
number_of_channels | 1 |
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