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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Product Details
- The AD843 is a fast settling, 34 MHz, CBFET input op amp. The AD843 combines the low (0.6 nA) input bias currents characteristic of a FET input amplifier while still providing a 34 MHz bandwidth and a 135 ns settling time (to within 0.01% of final value for a 10 volt step). The AD843 is a member of the Analog Devices" family of wide bandwidth operational amplifiers. These devices are fabricated using Analog Devices" junction isolated complementary bipolar (CB) process. This process permits a combination of dc precision and wideband ac performance previously unobtainable in a monolithic op amp.
- The 250 V/µs slew rate and 0.6 nA input bias current of the AD843 ensure excellent performance in high speed sample-and-hold applications and in high speed integrators. This amplifier is also ideally suited for high bandwidth active filters and high frequency signal conditioning circuits.
- Unlike many high frequency amplifiers, the AD843 requires no external compensation and it remains stable over its full operating temperature range. It is available in five performance grades: the AD843J and AD843K are rated over the commercial temperature range of 0°C to +70°C. The AD843A and AD843B are rated over the industrial temperature range of -40°C to +85°C. The AD843S is rated over the military temperature range of -55°C to +125°C and is available processed to MIL-STD-883B, Rev. C.
- ### Features and Benefits
- Unity Gain Bandwidth: 34 MHz
- Fast Settling: 135 ns to 0.01%
- Slew Rate: 250 V/µs
- Input Offset Voltage: 1 mV max (AD843K/B)
- Input Bias Current: 0.6 nA typ
- Input Voltage Noise: 19 nV/vHz
- Open Loop Gain: 30 V/mV into a 500 Ω Load
- Output Current: 50 mA min
- Supply Current: 13 mA max
- Available in 8-Pin Plastic Mini-DIP &
- Cerdip, 16-Pin SOIC, 20-Pin LCC and
- 12-Pin Hermetic Metal Can Packages
- Chips and MIL-STD-883B Parts Also Available
AD843 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Show | |
| Product Lifecycle Status | Unknown |
Order guide
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- Delivery date: usually 2 to 7 working days.
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- - 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.
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