AD8207 - ADI

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

Part No

AD8207
Manufacturer

ADI
ChipWorker Part#

CW1205328750
Description

Zero Drift, High Voltage, Bidirectional Difference Amplifier
Documentation

Datasheet

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AD8207 Specifications

Attribute	Attribute Value

Part Number	AD8207
Manufacturer	ADI
ChipWorker Part#	CW1205328750
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD8207 is a single-supply difference amplifier ideal for amplifying small differential voltages in the presence of large common-mode voltage. The operating input common-mode voltage range extends from −4 V to +65 V with a 5 V supply. The AD8207 works with a single-supply voltage of 3.3 V to 5 V, and is ideally suited to withstand large input PWM common-mode voltages, typical in solenoid and motor control applications.
The AD8207 is available in an 8-lead SOIC package. Excellent dc performance over temperature keeps errors in the mea-surement loop to a minimum. Offset drift is typically less than 500 nV/°C, and gain drift is typically below 10 ppm/°C.
The AD8207 is ideal for bidirectional current sensing applications. It features two reference pins,VREF1 and VREF2, that allow the user to easily offset the output of the device to any voltage within the supply range. With VREF1 attached to the V+ pin and VREF2 attached to the GND pin, the output is set at half scale. Attaching both pins to GND causes the output to be unipolar, starting near ground. Attaching both pins to V+ causes the output to be unipolar starting near V+. Other output offsets are achieved by applying an external low impedance voltage to the VREF1 and VREF2 pins.
**Applications**
High-side current sensing in
Motor control
Solenoid control
Diesel-injection control
Engine management
Suspension control
Vehicle dynamic control
DC-to-dc converters
### Features and Benefits
Ideal for current shunt applications
EMI filters included
1 μV/°C maximum input offset drift
High common-mode voltage range
−4 V to +65 V operating (5V supply)
−4 V to +35V operating (3.3V supply)
−25 V to +75 V survival
Gain = 20 V/V
3.3 V to 5.5 V supply range
Wide operating temperature range: −40°C to +125°C
Bidirectional current monitoring
<500 nV/°C typical offset drift
<10 ppm/°C typical gain drift
>90 dB CMRR dc to 10 kHz
Qualified for automotive applications

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