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AD7934BRUZ

Name: AD7934BRUZ
Rating: 4.7 (12 reviews)

IC ADC 12BIT SAR 28TSSOP

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資料表 AD7934BRUZ DataSheet
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規格

Part Status	Active
Number of Bits	12
Sampling Rate (Per Second)	1.5M
Number of Inputs	4
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	28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package	28-TSSOP
Mounting Type	Surface Mount
Base Product Number	AD7934

概述

Description

The AD7934BRUZ is a high-speed, 12-bit, analog-to-digital converter (ADC) from Analog Devices. It features a sampling rate of up to 1 MSPS (megasamples per second) and operates on a single 3V to 5V power supply. This ADC is designed for applications requiring fast data conversion and high accuracy, making it suitable for industrial, medical, and instrumentation applications.
Key features include a parallel interface for easy integration into systems, low power consumption, and an internal voltage reference. The device has differential inputs, which enhance noise immunity and improve performance in noisy environments. Additionally, it supports various signal conditioning methods, making it versatile for different signal types.
The AD7934BRUZ is available in a compact 32-lead LFCSP (Lead Frame Chip Scale Package) and is ideal for use in portable and space-constrained designs. Its combination of speed, precision, and low power makes it a popular choice for modern high-speed data acquisition systems.

Features

The AD7934BRUZ is a 16-bit, 1 MSPS (mega samples per second) analog-to-digital converter (ADC) from Analog Devices. Key features include:
1. Sampling Rate: 1 MSPS with a high-speed serial interface.
2. Resolution: 16-bit resolution for accurate signal conversion.
3. Input Voltage Range: Supports a wide input range, typically from 0 to VREF (typically 2.5V to 5V).
4. Architecture: Utilizes a successive approximation register (SAR) architecture for fast and reliable conversions.
5. Power Supply: Operates on a single supply voltage (typically 2.7V to 5.5V).
6. Low Power Consumption: Designed for low power use, making it suitable for battery-operated devices.
7. Digital Outputs: Provides a serial output interface (SPI-compatible) for easy integration with microcontrollers.
8. On-Chip Reference: Includes an internal voltage reference to simplify design and reduce external components.
These features make the AD7934BRUZ ideal for applications in industrial automation, medical instrumentation, and portable devices.

Package

The AD7934BRUZ is packaged in a 32-lead LFCSP (Lead Frame Chip Scale Package) with a 5mm x 5mm dimension. This package type is known for its compact size and thermal performance, making it suitable for space-constrained applications.

Pinout

The AD7934BRUZ is a 12-bit, 1 MSPS (Mega Samples Per Second) analog-to-digital converter (ADC) from Analog Devices. It features a 20-pin TSSOP (Thin Shrink Small Outline Package) configuration.
Pin Count and Functions:
1. Power Supply and Ground: VDD (1), AVDD (2), DVDD (3), GND (4, 20)
2. Analog Inputs: AIN0 (5), AIN1 (6), AIN2 (7), AIN3 (8)
3. Digital Interface: SDO (9), SDI (10), SCK (11), CS (12)
4. Control Pins: CONVST (13), PD (14), REF (15), REF_OUT (16)
5. Additional Pins: CLKIN (17), SDO (18), SCK (19)
The ADC converts analog signals into digital format and communicates via a serial interface (SPI). The device supports two modes of operation, offering flexibility in various applications.

Manufacturer

The AD7934BRUZ is manufactured by Analog Devices, Inc. (ADI), a prominent company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices is known for its innovative solutions across various sectors, including telecommunications, automotive, industrial, and consumer electronics. Their products are widely used in applications that require precise data conversion, signal processing, and system integration. The AD7934BRUZ itself is a high-speed, 14-bit analog-to-digital converter (ADC), primarily designed for applications requiring accurate and fast data acquisition.

Application

The AD7934BRUZ is a 12-bit, 1 MSPS ADC suitable for various applications, including industrial process control, data acquisition systems, medical instrumentation, and sensor interfacing. Its high-speed performance makes it ideal for real-time data processing in applications such as automation, robotics, and telecommunications. Additionally, it can be used in portable devices and consumer electronics requiring efficient analog-to-digital conversion.

Equivalent

Equivalent products to the AD7934BRUZ, a 12-bit, 1 MSPS ADC from Analog Devices, include the MCP3201 from Microchip, the LTC1865 from Linear Technology, and the MAX1240 from Maxim Integrated. These alternatives offer similar specifications in terms of resolution and sampling rates, though it's important to verify compatibility with your specific application requirements.