AD7928BRUZ

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AD7928BRUZ

+BOM

IC ADC 12BIT SAR 20TSSOP

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Specifications

Attribute Value
Package / Case Tube
Part Status Active
Number of Bits 12
Sampling Rate(Per Second) 1M
Number of Inputs 8
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
Supplier Device Package 20-TSSOP

Overview

Description

The AD7928BRUZ is a 12-bit, 8-channel, successive approximation ADC (Analog-to-Digital Converter) from Analog Devices. It features a serial interface (SPI-compatible) and operates at a 1 MSPS (Mega Sample Per Second) conversion rate.
Key features:
- 8 single-ended or 4 pseudo-differential input channels
- Low power consumption (3.5 mW at 1 MSPS, 15 µW in shutdown)
- 2.7V to 5.25V supply range
- Internal reference (2.5V) or external reference support
- 16-lead TSSOP package
Applications include data acquisition, industrial control, and medical instruments. The device offers flexible power management and high-speed, accurate conversions, making it suitable for multi-channel systems.
For detailed specs, refer to the datasheet.

Equivalent

The AD7928BRUZ is an 8-channel, 12-bit ADC. Equivalent alternatives include:
- AD7928BRUZ-REEL (same specs, tape/reel packaging)
- AD7928WBRUZ (wider temp range)
- AD7927BRUZ (10-bit resolution, otherwise similar)
- LTC1867L (12-bit, 8-channel, from Linear Tech)
- MAX1308 (12-bit, 8-channel, from Maxim Integrated)
Check datasheets for exact compatibility in voltage, speed, and interface (SPI).

Pinout

The AD7928BRUZ is a 12-bit, 8-channel successive approximation ADC (SAR ADC) in a 20-pin TSSOP package.
Key Functions:
- 8 analog input channels with single-ended operation.
- SPI-compatible serial interface for communication.
- 2.5V to 5.25V supply range, supporting low-power operation.
- On-chip track-and-hold and reference (2.5V internal, or external reference option).
- Throughput: Up to 1 MSPS (all channels).
Pin Count: 20 pins (TSSOP package).
Typical applications include data acquisition, industrial control, and medical instruments.

Application

The AD7928BRUZ is an 8-channel, 12-bit ADC with SPI interface, widely used in:
- Industrial Automation: Process control, PLCs, and monitoring systems.
- Medical Equipment: Patient monitoring and diagnostic devices.
- Automotive Systems: Sensor data acquisition and battery management.
- Consumer Electronics: Audio processing and touchscreen interfaces.
- Test & Measurement: Data logging and instrumentation.
Its high-speed (1 MSPS), low power, and multi-channel capability make it ideal for precision analog signal acquisition in compact designs.

Package

The AD7928BRUZ is packaged in a TSSOP-20 (Thin Shrink Small Outline Package) with 20 leads. This compact, surface-mount package is suitable for space-constrained applications, offering reliable performance for analog-to-digital converters. The TSSOP-20 provides good thermal and electrical characteristics, making it ideal for industrial and embedded systems.

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