AD22057 - ADI

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

Part No

AD22057
Manufacturer

ADI
ChipWorker Part#

CW389438109
Description

Single-Supply Sensor Interface Amplifier
Documentation

Datasheet

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AD22057 Specifications

Attribute	Attribute Value

Part Number	AD22057
Manufacturer	ADI
ChipWorker Part#	CW389438109
Documentation	Datasheet
	expand all
Product Lifecycle Status	Unknown

Product Description

Product Details
The AD22057 is a single-supply difference amplifier for the amplification and low-pass filtering of small differential voltages from sources having a large common-mode voltage.
Supply voltages from +3 V to +36 V can be used. The input common-mode range extends from below ground to 24 V using a +5 V supply with excellent rejection of this common-mode voltage.
This range is achieved by the use of a special resitive attenuator at the input, laser trimmed to a very high differential balance. Low initial offset voltage and offset voltage drift are specified, and long-term stability of gain and offset voltage is also provided.
Provisions are included for optional low-pass filtering and gain adjustment. An accurate midscale offset feature allows bipolar signals to be amplified.
### Features and Benefits
Gain of ×20 Alterable from ×1 to ×160
Input CMR from Below Ground to 6× (VS \- 1 V)
Output Span 20 mV to (VS \- 0.2) V
1-, 2-, 3-Pole Low-Pass Filtering Available
Accurate Midscale Offset Capability
Differential Input Resistance 400 kΩ
Drives 1kΩ Load to +4 V Using VS = +5 V
Supply Voltage: +3.0 V to +36 V
Transient Spike Protection and RFI
Filters Included
Peak Input Voltage (40 ms): 60 V
Reversed Supply Protection: -34 V
Operating Temperature Range: -40°C
to +125°C

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