AD7904BRUZ

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AD7904BRUZ

+BOM

IC ADC 8BIT SAR 16TSSOP

  • ManufacturerAnalog Devices Inc.

  • Mfr. Part #AD7904BRUZ

  • In Stock6050

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Specifications

Attribute Value
Part Status Active
Number of Bits 8
Sampling Rate (Per Second) 1M
Number of Inputs 4
Input Type Single Ended
Data Interface SPI, DSP
Configuration MUX-S/H-ADC
Ratio - S / H: ADC 1:1
Number of A / D Converters 1
Architecture SAR
Reference Type External
Voltage - Supply, Analog 2.7V ~ 5.25V
Voltage - Supply, Digital 2.7V ~ 5.25V
Operating Temperature -40°C ~ 85°C
Package / Case 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP
Mounting Type Surface Mount
Base Product Number AD7904

Overview

Description

The AD7904BRUZ is a precision, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices. It features a multi-channel architecture, capable of sampling multiple input signals, making it suitable for various applications including portable instrumentation, battery management systems, and industrial automation.
Key specifications include a sampling rate of up to 1 MSPS, low power consumption, and a wide input voltage range. The ADC operates in a single-supply configuration, enhancing its versatility for battery-operated devices. It offers features such as a built-in reference voltage and differential input capability, which improves noise immunity and accuracy in noisy environments.
The AD7904BRUZ also supports SPI and parallel interfaces, allowing easy integration into microcontroller-based systems. Its robust design ensures reliable performance in demanding conditions, and it comes in a compact 32-lead LFCSP package, optimizing space in circuit designs. Overall, the AD7904BRUZ is an excellent choice for applications requiring high precision and efficiency in data conversion.

Equivalent

The AD7904BRUZ is a quad, 12-bit analog-to-digital converter (ADC). Equivalent products include the MCP3204 from Microchip, the LTC1864 from Analog Devices, and the MAX1240 from Maxim Integrated. Additionally, the ADS8344 from Texas Instruments may serve as an alternative, depending on specific application requirements. Always verify compatibility based on features like input voltage range, sampling rate, and interface specifications.

Features

The AD7904BRUZ is a high-speed, 4-channel, 12-bit analog-to-digital converter (ADC) designed for precision applications. Key features include:
1. Sampling Rate: It offers a maximum sampling rate of 1 MSPS, allowing for fast data acquisition.
2. Low Power Consumption: Operates with low power requirements, making it suitable for portable applications.
3. Reference Voltage: It has an internal reference voltage of 2.5V, which can be bypassed for external references.
4. Input Range: Supports a unipolar input range, accommodating voltages from 0V to the reference voltage.
5. Serial Interface: Provides a flexible SPI-compatible interface for easy communication with microcontrollers and processors.
6. Operating Voltage: Designed to operate with a supply voltage of 2.7V to 5.25V.
7. Integrated Features: Includes features like channel sequencing and on-chip sample-and-hold circuitry, enhancing its performance in multi-channel applications.
These features make the AD7904BRUZ suitable for medical instrumentation, industrial automation, and other precision measurement applications.

Pinout

The AD7904BRUZ is a quad 12-bit analog-to-digital converter (ADC) with a total of 16 pins. It features a serial interface that allows for communication with microcontrollers or digital signal processors. The key functions of its pins include:
1. Power Supply Pins (VDD, VSS): Provide power to the ADC.
2. Reference Voltage Pins (VREF, VREFOUT): Supply and output the reference voltage for the ADC operation.
3. Input Channels (VIN0 to VIN3): Four differential analog input channels for signal input.
4. Clock Input (SCLK): Serial clock input for synchronous data transfer.
5. Chip Select (CS): Active-low input to select the device for communication.
6. Data Output (SDO): Serial data output pin for transmitting the converted digital data.
7. Data Input (SDI): Serial data input pin for configuration and control.
8. Data Ready (DRDY): Indicator pin that signals when the conversion is complete and data is ready to be read.
These functionalities make the AD7904BRUZ suitable for various precision measurement applications.

Manufacturer

The AD7904BRUZ 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 designs and manufactures a wide range of electronic components used in various applications, including industrial automation, automotive electronics, telecommunications, and consumer electronics.
Analog Devices is known for its innovative solutions in signal processing, data conversion, and power management. The AD7904BRUZ is a precision, low-power, quad-channel, 16-bit analog-to-digital converter (ADC) that offers high performance in various measurement and data acquisition systems. The company's products are essential in enabling high-speed data processing and accurate measurements in numerous electronic systems.
Overall, Analog Devices is recognized as a key player in the semiconductor industry, providing critical components that drive advancements in technology and connectivity across multiple sectors.

Application

The AD7904BRUZ is a precision, 4-channel, 12-bit analog-to-digital converter (ADC) designed for various applications. Key areas include industrial automation, sensor data acquisition, and medical devices where accurate signal processing is vital. It is suitable for applications in environmental monitoring, portable instrumentation, and data logging systems. The device’s low power consumption and high-speed conversion make it ideal for battery-operated equipment. Additionally, its versatility allows for use in consumer electronics and communication systems that require reliable and precise digital representations of analog signals.

Package

The AD7904BRUZ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package). This package type is designed for surface mounting and provides a compact footprint suitable for applications with space constraints.

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