AD8429BRZ - ADI

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

Part No

AD8429BRZ
Manufacturer

ADI
ChipWorker Part#

CW273140
Category

Instrumentation Amplifier IC
Package

SOIC-8
Description

IC OPAMP INSTR 15MHz 8SOIC
Documentation

Datasheet

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AD8429BRZ Specifications

Attribute	Attribute Value

Part Number	AD8429BRZ
Manufacturer	ADI
ChipWorker Part#	CW273140
Category	Instrumentation Amplifier IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Current	6.7 mA
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Positions	8 Position
Common Mode Rejection Ratio	90 dB
Bandwidth	15 MHz
Gain Bandwidth Product	15 MHz
Input Offset Voltage	50 µV
Input Bias Current	150 nA
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
3dB Bandwidth	15 MHz
Gain Bandwidth	80 dB
Minimum CMRR Range	140 dB
Supply Voltage (Max)	30V ~ 50V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance Edition	2015/12/17

Product Description

Product Details
The AD8429 is an ultralow noise, instrumentation amplifier designed for measuring extremely small signals over a wide temperature range (−40°C to +125°C).
The AD8429 excels at measuring tiny signals. It delivers ultralow input noise performance of 1 nV/√Hz. The high CMRR of the AD8429 prevents unwanted signals from corrupting the acqui-sition. The CMRR increases as the gain increases, offering high rejection when it is most needed. The high performance pin configuration of the AD8429 allows it to reliably maintain high CMRR at frequencies well beyond those of typical instrumentation amplifiers.
The AD8429 reliably amplifies fast changing signals. Its current feedback architecture provides high bandwidth at high gain, for example, 1.2 MHz at G = 100. The design includes circuitry to im-prove settling time after large input voltage transients. The AD8429 was designed for excellent distortion performance, allowing use in demanding applications such as vibration analysis.
Gain is set from 1 to 10,000 with a single resistor. A reference pin allows the user to offset the output voltage. This feature can be useful to shift the output level when interfacing to a single supply signal chain. The AD8429 performance is specified over the extended industrial temperature range of −40°C to +125°C. It is available in an 8-lead plastic SOIC package.
**APPLICATIONS**
Medical instrumentation
Precision data acquisition
Microphone preamplification
Vibration analysis
### Features and Benefits
Low noise
1 nV/√Hz input noise
45 nV/√Hz output noise
High accuracy dc performance (AD8429BRZ)
90 dB CMRR minimum (G = 1)
50 μV maximum input offset voltage
0.02% maximum gain accuracy (G = 1)
Excellent ac specifications
80 dB CMRR to 5 kHz (G = 1)
15 MHz bandwidth (G = 1)
1.2 MHz bandwidth (G = 100)
22 V/μs slew rate
THD: −130 dBc (1 kHz, G = 1)
Versatile
±4 V to ±18 V dual supply
Gain set with a single resistor
(G = 1 to 10,000)
Temperature range for specified performance
−40°C to +125°C

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