AD843 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD843
Manufacturer

ADI
ChipWorker Part#

CW480096529
Description

34MHz, CBFET Fast Settling Op Amp
Documentation

Datasheet

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AD843 Specifications

Attribute	Attribute Value

Part Number	AD843
Manufacturer	ADI
ChipWorker Part#	CW480096529
Documentation	Datasheet
	expand all
Product Lifecycle Status	Unknown

Product 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

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