AD627 - ADI

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

Part No

AD627
Manufacturer

ADI
ChipWorker Part#

CW97446936
RoHS

Lead free / RoHS Compliant
Description

Micro Power Single and Dual Supply Rail-to-Rail Instrumentation Amplifier
Documentation

Datasheet

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AD627 Specifications

Attribute	Attribute Value

Part Number	AD627
Manufacturer	ADI
ChipWorker Part#	CW97446936
Documentation	Datasheet
	expand all
Product Lifecycle Status	Unknown
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

Product Details
The AD627 is an integrated, micropower instrumentation amplifier that delivers rail-to-rail output swing on single and dual (+2.2 V to ±18 V) supplies. The AD627 provides excellent ac and dc specifications while operating at only 85 μA maximum.
The AD627 offers superior flexibility by allowing the user to set the gain of the device with a single external resistor while con-forming to the 8-lead industry-standard pinout configuration. With no external resistor, the AD627 is configured for a gain of 5. With an external resistor, it can be set to a gain of up to 1000.
A wide supply voltage range (+2.2 V to ±18 V) and micropower current consumption make the AD627 a perfect fit for a wide range of applications. Single-supply operation, low power consumption, and rail-to-rail output swing make the AD627 ideal for battery-powered applications. Its rail-to-rail output stage maximizes dynamic range when operating from low supply voltages. Dual-supply operation (±15 V) and low power consumption make the AD627 ideal for industrial applications, including 4 to 20 mA loop-powered systems.
The AD627 does not compromise performance, unlike other micropower instrumentation amplifiers. Low voltage offset, offset drift, gain error, and gain drift minimize errors in the system. The AD627 also minimizes errors over frequency by providing excellent CMRR over frequency. Because the CMRR remains high up to 200 Hz, line noise and line harmonics are rejected.
The AD627 provides superior performance, uses less circuit board area, and costs less than micropower discrete designs.
**Applications**
4 mA to 20 mA loop-powered applications
Low power medical instrumentation—ECG, EEG
Transducer interfacing
Thermocouple amplifiers
Industrial process controls
Low power data acquisition
Portable battery-powered instruments
### Features and Benefits
Micropower, 85 μA maximum supply current
Wide power supply range
(+2.2 V to ±18 V)
Easy to use
Gain set with one external resistor
Gain range 5 (no resistor) to 1000
Higher performance than discrete designs
Rail-to-rail output swing
High accuracy dc performance
0.03% typical gain accuracy (G = +5) (AD627A)
10 ppm/°C typical gain drift (G = +5)
125 μV maximum input offset voltage (AD627B dual supply)
200 μV maximum input offset voltage (AD627A dual supply)
1 μV/°C maximum input offset voltage drift (AD627B)
3 μV/°C maximum input offset voltage drift (AD627A)
Noise: 38 nV/√Hz RTI noise @ 1 kHz (G = +100)
Excellent ac specifications
AD627A: 77 dB minimum CMRR
(G = +5)
AD627B: 83 dB minimum CMRR
(G = +5)
80 kHz bandwidth (G = +5)
135 μs settling time to 0.01%
(G = +5, 5 V step)

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