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AD820AN Op-Amp 5MHz BW 16V/andmicro;s Slew Single/Dual Supply Low 1.8mA Current Rail-to-Rail Out -40anddeg;C~125anddeg;C 8-Pin DIP/SOIC Industrial Grade
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FEATURES
True single-supply operation
andnbsp; Output swings rail-to-rail
andnbsp; Input voltage range extends below ground
andnbsp; Single-supply capability from 5 V to 30 V
andnbsp; Dual-supply capability from andplusmn;2.5 V to andplusmn;15 V
Excellent load drive
andnbsp; Capacitive load drive up to 350 pF
andnbsp; Minimum output current of 15 mA
Excellent ac performance for low power
andnbsp; 800 andmu;A maximum quiescent current
andnbsp; Unity-gain bandwidth: 1.8 MHz
andnbsp; Slew rate of 3 V/andmu;s
Excellent dc performance
andnbsp; 800 andmu;V maximum input offset voltage
andnbsp; 2 andmu;V/anddeg;C typical offset voltage drift
andnbsp; 25 pA maximum input bias current
Low noise: 13 nV/andradic;Hz @ 10 kHz
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APPLICATIONS
Battery-powered precision instrumentation
Photodiode preamps
Active filters
12-bit to 14-bit data acquisition systems
Medical instrumentation
Low power references and regulators
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DESCRIPTION
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 andplusmn;2.5 V to andplusmn;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 andmu;V maximum, offset voltage drift of 2 andmu;V/anddeg;C, typical input bias currents below 25 pA, and low input voltage noise provide dc precision with source impedances up to 1 GandOmega;. 1.8 MHz unity gain bandwidth, andminus;93 dB THD at 10 kHz, and 3 V/andmu;s slew rate are provided for a low supply current of 800 andmu;A. 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 andminus;40anddeg;C to +85anddeg;C. The AD820 is offered in three 8-lead package options: plastic DIP (PDIP), surface mount (SOIC) and (MSOP).
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INFORMATION
| Category | andnbsp; | |
| Mfr | andnbsp; | |
| Series | - | andnbsp; |
| Packaging | Tube | andnbsp; |
| Part Status | Active | andnbsp; |
| Amplifier Type | andnbsp; | |
| Number of Circuits | 1 | andnbsp; |
| Output Type | Rail-to-Rail | andnbsp; |
| Slew Rate | 3V/andmicro;s | andnbsp; |
| Gain Bandwidth Product | 1.8 MHz | andnbsp; |
| -3db Bandwidth | 1.9 MHz | andnbsp; |
| Current - Input Bias | 2 pA | andnbsp; |
| Voltage - Input Offset | 400 andmicro;V | andnbsp; |
| Current - Supply | 700andmicro;A | andnbsp; |
| Current - Output / Channel | 20 mA | andnbsp; |
| Voltage - Supply Span (Min) | 5 V | andnbsp; |
| Voltage - Supply Span (Max) | 36 V | andnbsp; |
| Operating Temperature | -40anddeg;C ~ 85anddeg;C | andnbsp; |
| Mounting Type | Through Hole | andnbsp; |
| Package / Case | 8-DIP (0.300andquot;, 7.62mm) | andnbsp; |
| Supplier Device Package | 8-PDIP | andnbsp; |
| Base Product Number |
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Drawing
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