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AD7938BSUZ-REEL7

Name: AD7938BSUZ-REEL7
Rating: 4.7 (12 reviews)

IC ADC 12BIT SAR 32TQFP

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資料表 AD7938BSUZ-REEL7 DataSheet
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規格

Part Status	Active
Number of Bits	12
Sampling Rate (Per Second)	625k
Number of Inputs	4, 7, 8
Input Type	Differential, Pseudo-Differential, Single Ended
Data Interface	Parallel
Configuration	MUX-S/H-ADC
Ratio - S/H:ADC	1:1
Number of A/D Converters	1
Architecture	SAR
Reference Type	External, Internal
Voltage - Supply, Analog	2.7V ~ 5.25V
Voltage - Supply, Digital	2.7V ~ 5.25V
Operating Temperature	-40°C ~ 85°C
Package / Case	32-TQFP
Supplier Device Package	32-TQFP (7x7)
Mounting Type	Surface Mount
Base Product Number	AD7938

概述

Description

The AD7938BSUZ-REEL7 is a high-performance, 16-bit analog-to-digital converter (ADC) from Analog Devices, designed for applications requiring precise data conversion. It features a sampling rate of up to 1 MSPS (megasamples per second), making it suitable for high-speed data acquisition systems. The device operates with a single supply voltage ranging from 2.7V to 5.25V and has an internal reference voltage, simplifying the design process.
Key features include a serial interface (SPI-compatible) for easy communication with microcontrollers and DSPs, a low power consumption mode, and a flexible input range. The AD7938 is particularly beneficial in applications such as industrial automation, medical devices, and instrumentation where high accuracy and reliability are paramount.
Its compact LFCSP (Lead Frame Chip Scale Package) makes it suitable for space-constrained designs. Overall, the AD7938BSUZ-REEL7 is a versatile solution for engineers needing an efficient, high-quality ADC for their projects.

Features

The AD7938BSUZ-REEL7 is a high-performance, 12-bit analog-to-digital converter (ADC) from Analog Devices. Key features include:
1. Resolution: 12-bit conversion, providing a high level of accuracy.
2. Sampling Rate: Up to 1 MSPS (mega samples per second), enabling fast data acquisition.
3. Input Voltage Range: Supports various input ranges, enhancing flexibility in applications.
4. Reference Voltage: Internal reference option, simplifying design requirements.
5. Interface: SPI-compatible serial interface for easy integration with microcontrollers and DSPs.
6. Power Consumption: Low power operation, making it suitable for portable applications.
7. Single Supply Operation: Operates from a single +5V supply, simplifying circuit design.
8. Temperature Range: Industrial temperature range (-40°C to +85°C), ensuring reliability in harsh environments.
Overall, the AD7938 is ideal for applications in industrial automation, medical instrumentation, and data acquisition systems.

Package

The AD7938BSUZ-REEL7 is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The AD7938BSUZ-REEL7 is a 16-bit analog-to-digital converter (ADC) from Analog Devices. It has a total of 28 pins. The primary functions of these pins include power supply, ground, analog input channels, digital interface signals, and control inputs.
Key pin functions include:
- Power Supply Pins: VDD (power supply), VSS (ground).
- Analog Inputs: AIN0 to AIN3 for analog signal input.
- Digital Interface: SCK (serial clock), DIN (data in), DOUT (data out), CS (chip select), and RD (read).
- Control Pins: Various pins for configuration, including the REF pins for reference voltage.
The device supports a serial interface for data communication, making it suitable for applications requiring high-speed data acquisition.

Manufacturer

The manufacturer of the AD7938BSUZ-REEL7 is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is known for its high-performance integrated circuits, which are used in a variety of applications including industrial automation, automotive systems, communications, and consumer electronics. The AD7938BSUZ-REEL7 is a high-speed, 16-bit analog-to-digital converter (ADC) that is utilized in applications requiring precise and rapid signal conversion.

Application

The AD7938BSUZ-REEL7 is a 12-bit, high-speed analog-to-digital converter (ADC) used in various applications, including industrial process control, medical instrumentation, data acquisition systems, and portable measurement devices. It is suitable for applications requiring high performance, low power consumption, and fast data conversion. Typical uses include signal processing, sensor interfacing, and monitoring systems in automotive, telecommunications, and consumer electronics.

Equivalent

The AD7938BSUZ-REEL7 is a 16-bit, 1 MSPS ADC from Analog Devices. Equivalent products include the LTC1865 from Linear Technology, the MCP3201 from Microchip, and the ADS8320 from Texas Instruments. Each of these alternatives offers similar resolution and speed, although specifications may vary, so it's essential to review datasheets for specific application requirements.