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5962-9098001MPA

34兆赫, CBFET快速建立运算放大器 34 MHz, CBFET Fast Settling Op Amp

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

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Unity Gain Bandwidth: 34 MHz
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Fast Settling: 135 ns to 0.01%
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Slew Rate: 250 V/µs
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Input Offset Voltage: 1 mV max AD843K/B
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Input Bias Current: 0.6 nA typ
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Input Voltage Noise: 19 nV/vHz
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Open Loop Gain: 30 V/mV into a 500 Ω Load
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Output Current: 50 mA min
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Supply Current: 13 mA max
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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

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