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AD8429BRZ-R7

Name: AD8429BRZ-R7
Rating: 4.7 (12 reviews)

IC INST AMP 1 CIRCUIT 8SOIC

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Mfr。パート #AD8429BRZ-R7
パッケージ SOIC-8
データシート
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
AmplifierType	Instrumentation
NumberofCircuits	1
SlewRate	22V/µs
-3dbBandwidth	15 MHz
Current-InputBias	150 nA
Voltage-InputOffset	50 µV
Current-Supply	6.7mA
Current-Output/Channel	35 mA
Voltage-SupplySpan(Min)	8 V
Voltage-SupplySpan(Max)	36 V
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概要

Description

The AD8429BRZ-R7 is an instrumentation amplifier from Analog Devices, designed for high precision and low power consumption applications. It features a low input offset voltage, low noise, and high common-mode rejection ratio (CMRR), making it suitable for demanding tasks such as medical instrumentation, industrial process control, and sensor signal conditioning.
Key specifications include a gain range from 1 to 1000, a wide supply voltage range of ±2.5V to ±18V, and a low total input bias current. The device is housed in a compact 8-lead MSOP package, which is ideal for space-constrained designs. Its excellent linearity and temperature stability ensure reliable performance across a variety of operating conditions.
The AD8429 is particularly noted for its ease of use, with a simple external resistor configuration for gain setting. Overall, the AD8429BRZ-R7 is an ideal choice for applications requiring accurate, low-noise amplification of small differential signals.

Features

The AD8429BRZ-R7 is a low-power, precision instrumentation amplifier from Analog Devices. Key features include:
1. Low Noise: High input impedance and low noise density (1.2 nV/√Hz) improve signal integrity.
2. Wide Supply Voltage Range: Operates on a dual supply voltage of ±2.5V to ±15V, making it versatile for various applications.
3. High Gain Accuracy: Gain can be set from 1 to 1000 with excellent gain accuracy, suitable for precise measurements.
4. Low Offset Voltage: Input offset voltage of 50 µV max enhances accuracy in low-level signal applications.
5. Fast Response: Slew rate of 0.5 V/µs allows for quick signal processing.
6. Low Power Consumption: Consumes only 1.5 mA of supply current, ideal for battery-operated devices.
7. Rail-to-Rail Output: Enables the amplifier to utilize the full supply voltage range, improving dynamic range.
These features make the AD8429BRZ-R7 suitable for applications in medical instrumentation, industrial process control, and data acquisition systems.

Package

The AD8429BRZ-R7 is packaged in a 8-lead SOIC (Small Outline Integrated Circuit) format.

Pinout

The AD8429BRZ-R7 is an instrumentation amplifier with a total of 8 pins. Its pin configuration includes:
1. V-: Negative supply voltage.
2. V+: Positive supply voltage.
3. Ref: Reference pin for offset adjustments.
4. Rout: Output pin.
5. Rin: Non-inverting input.
6. -Vin: Inverting input.
7. Gain: Gain-setting pins (often connected to resistors for setting the desired gain).
8. NC: No connect (not internally connected).
The AD8429 is designed for high precision and low noise applications, providing a wide bandwidth and low offset voltage. It is suitable for amplifying small differential signals in various applications, including medical instrumentation and industrial process controls.
For exact pin functions and configurations, please refer to the official datasheet.

Manufacturer

The AD8429BRZ-R7 is manufactured by Analog Devices, Inc. (ADI), a leading global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices develops innovative solutions for a wide range of applications, including industrial automation, automotive, communications, healthcare, and consumer electronics. The company is known for its commitment to precision and reliability in electronic components, making it a key player in the semiconductor industry.

Application

The AD8429BRZ-R7 is a low-power instrumentation amplifier designed for precision applications. Its key application areas include medical instrumentation (such as ECG and EEG), industrial process control, sensor signal conditioning, data acquisition systems, and automotive sensor interfacing. It is used in situations requiring high accuracy, low noise, and the ability to amplify small differential signals in the presence of common-mode voltages.

Equivalent

Equivalent products to the AD8429BRZ-R7 instrumentation amplifier include the INA188, INA199, and LTC2057 from Texas Instruments, as well as the MAX44207 from Maxim Integrated. Each alternative may have different specifications, such as gain bandwidth, noise performance, and supply voltage, so it's essential to compare datasheets to ensure compatibility with your application.