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AD688SQ

Name: AD688SQ
Rating: 4.7 (12 reviews)

VOLTAGE REFERENCE, 2 OUTPUT, 10V

제조업체
Mfr.부분 #AD688SQ
패키지 CDIP16
데이터시트 AD688SQ DataSheet
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사양

Package	Bulk
ProductStatus	Active
ReferenceType	Series, Buried Zener
OutputType	Fixed
Voltage-Output(Min/Fixed)	±10V
Current-Output	10 mA
OperatingTemperature	-55°C ~ 125°C (TA)
MountingType	Through Hole
Package/Case	16-CDIP (0.300, 7.62mm)

개요

Description

The AD688SQ is a precision voltage reference and regulator designed by Analog Devices. It provides a stable output voltage with low temperature drift, making it suitable for various applications in precision measurement and instrumentation. The device features a wide input voltage range and can operate with low quiescent current, ensuring efficiency in battery-powered devices.
Key specifications include a typical output voltage of 5V, with options for other voltages, and a high degree of accuracy with minimal noise. The AD688SQ is designed to maintain stability across varying loads and temperatures, making it ideal for use in data acquisition systems, high-precision power supplies, and analog-to-digital converters (ADCs).
The package comes in a surface-mount format, facilitating integration into compact electronics designs. Overall, the AD688SQ is a versatile component for engineers seeking reliable voltage references in high-performance circuits.

Features

The AD688SQ is a precision voltage reference and is known for its high accuracy and stability. Here are its key features:
1. Output Voltage: Typically provides a stable output of 5V.
2. Low Temperature Coefficient: Offers excellent temperature stability, typically around 10 ppm/°C.
3. High Accuracy: Initial accuracy can be as low as ±0.5% at 25°C.
4. Low Noise: Features low output noise, making it suitable for precision applications.
5. Wide Operating Temperature Range: Operates typically from -40°C to +85°C.
6. Low Drift: Minimal drift over time, ensuring long-term reliability in applications.
7. Easy to Use: Requires minimal external components for operation.
8. Power Supply Rejection Ratio (PSRR): High PSRR, ensuring stable operation with varying power supply voltages.
9. Compact Package: Available in a small, easy-to-handle package.
These features make the AD688SQ suitable for applications in industrial, medical, and instrumentation fields where precision voltage reference is critical.

Package

The AD688SQ is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for compact applications, providing a balance of performance and space efficiency.

Pinout

The AD688SQ is a precision voltage reference IC with a total of 8 pins. Its primary function is to provide a stable reference voltage, typically used in various analog applications.
Here are the pin functions:
1. VOUT (Pin 1): Output voltage.
2. GND (Pin 2): Ground connection.
3. VREF (Pin 3): Reference voltage input.
4. NC (Pin 4): No connection, should not be used.
5. NC (Pin 5): No connection, should not be used.
6. NC (Pin 6): No connection, should not be used.
7. VDD (Pin 7): Supply voltage input.
8. SENSE (Pin 8): Sense pin for temperature compensation.
The AD688SQ operates with a low temperature coefficient, high accuracy, and low noise, making it suitable for applications requiring precision voltage references in instrumentation and data acquisition systems.

Manufacturer

The AD688SQ 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 and headquartered in Norwood, Massachusetts, Analog Devices serves a wide array of industries, including communications, automotive, consumer electronics, healthcare, and industrial automation. The company's products are essential for a variety of applications, such as data conversion, signal processing, and power management. ADI is known for its innovation in semiconductor technology and for developing solutions that enhance system performance and efficiency.

Application

The AD688SQ is a precision voltage reference used in various applications, including data acquisition systems, instrumentation, analog-to-digital converters, and calibration equipment. Its high accuracy and low temperature coefficient make it suitable for use in medical devices, industrial automation, and automotive systems, where stable voltage references are critical for performance and reliability.

Equivalent

The AD688SQ is a precision voltage reference. Equivalent products include the LM4040, LM185, TL431, and MCP1525. Each of these provides voltage reference functionality, but specifications such as accuracy, temperature coefficient, and output voltage may differ. Always verify compatibility with your specific application requirements.