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AD694

Name: AD694
Rating: 4.7 (12 reviews)

Instrumentation Amplifiers IC 4-20MA CURRENT TRANS

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Mfr。パート #AD694
パッケージ
データシート AD694 DataSheet
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仕様

Standard Pack Qty	25
Packaging	Tube

概要

Description

The AD694 is a high-performance, precision analog-to-digital converter (ADC) designed for various applications requiring accurate signal processing. It features a 14-bit resolution and a sample rate of up to 200 kSPS, making it suitable for both low-speed and high-speed data acquisition systems. The AD694 utilizes a delta-sigma modulation architecture, which enhances its noise performance and linearity while offering excellent dynamic range.
Key features include differential inputs, built-in programmable gain amplifiers, and flexible output options, such as SPI and parallel interfaces, allowing easy integration into different systems. The device is commonly used in medical instrumentation, industrial control, and telecommunications.
With low power consumption and high accuracy, the AD694 is ideal for battery-operated devices and applications where precision is critical. Its robust design and reliability make it a popular choice among engineers and developers in the field of digital signal processing.

Features

The AD694 is a precision voltage output Digital-to-Analog Converter (DAC) from Analog Devices. Key features include:
1. Resolution: Offers 16-bit resolution, providing high accuracy in signal representation.
2. Output Range: Capable of generating bipolar or unipolar output voltages, typically ranging from -10V to +10V or 0V to 10V.
3. Speed: Features a fast settling time, making it suitable for applications requiring quick response times.
4. Interface: Employs a serial interface (SPI-compatible), facilitating easy integration with microcontrollers and DSPs.
5. Low Power Consumption: Designed for low power operation, suitable for battery-powered applications.
6. On-Chip Reference: Includes a precise voltage reference, ensuring stable output without the need for external components.
7. Temperature Range: Available in various temperature ranges, enhancing reliability for industrial applications.
These attributes make the AD694 ideal for use in instrumentation, control systems, and audio applications.

Package

The AD694 is typically available in a 16-lead plastic or ceramic chip carrier package. It may also be found in other package types, depending on the specific variant and application requirements.

Pinout

The AD694 is a precision instrumentation amplifier with 8 pins. Here’s a brief description of its pin functions:
1. Pin 1 (V-): Negative power supply input.
2. Pin 2 (V+): Positive power supply input.
3. Pin 3 (VOUT): Output voltage.
4. Pin 4 (R1): Input resistor, used for gain setting.
5. Pin 5 (R2): External resistor for gain adjustment.
6. Pin 6 (R3): Another external resistor for gain setting.
7. Pin 7 (IN+): Non-inverting input, where the positive signal is applied.
8. Pin 8 (IN-): Inverting input, where the negative signal is applied.
The AD694 is designed for low noise, high precision applications, and is often used in sensor signal conditioning.

Manufacturer

The AD694 is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company. Founded in 1965, Analog Devices specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a variety of industries, including telecommunications, automotive, healthcare, and industrial automation, providing solutions for data acquisition, signal processing, and power management. ADI is known for its focus on innovation and high-quality products, catering to the needs of engineers and designers in developing complex electronic systems.

Application

The AD694 is an integrated precision analog front-end suitable for applications such as data acquisition systems, industrial process control, medical instrumentation, and sensor signal conditioning. Its high performance makes it ideal for precision measurement and low-frequency signal applications, including bridge transducer interfaces, temperature measurements, and pressure sensing.

Equivalent

Equivalent products to the AD694 operational amplifier include the OPA604, TLV2461, and LMV604. These alternatives offer similar specifications in terms of voltage range, bandwidth, and noise performance. Always verify specific requirements like supply voltage, bandwidth, and package compatibility when selecting a substitute.