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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Product Details
- 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
- ### Features and Benefits
- True single-supply operation
- Output swings rail-to-rail
- Input voltage range extends below ground
- Single-supply capability from 5 V to 36 V
- Dual-supply capability from ±2.5 V to ±18 V
- Excellent load drive
- Capacitive load drive up to 350 pF
- Minimum output current of 15 mA
- Excellent ac performance for low power
- 800 μA maximum quiescent current
- Unity-gain bandwidth: 1.8 MHz
- Slew rate of 3 V/μs
- Excellent dc performance
- 800 μV maximum input offset voltage
- 2 μV/°C typical offset voltage drift
- 25 pA maximum input bias current
- Low noise: 13 nV/√Hz @ 10 kHz
AD820 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Case/Package | SOIC |
| Show | |
| Product Lifecycle Status | Unknown |
| RoHS | RoHS Compliant |
Order guide
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TT in advance (bank transfer), Western Union, Credit card,
PayPal. Customer is responsible for shipping fee, bank
charges, duties and taxes.
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- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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