Overview
The AD7734BRUZ-REEL, produced by Analog Devices Inc., is a high-precision, high-throughput analog-to-digital converter (ADC) designed for demanding applications requiring accurate and rapid data acquisition. This 24-bit Sigma-Delta ADC features a single +5 V analog supply and supports both unipolar and bipolar input ranges up to ±10 V. The device is packaged in a 28-pin TSSOP (Thin Shrink Small Outline Package) and is suitable for a variety of high-resolution multiplexing applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | AD7734BRUZ-REEL | |
| Manufacturer | Analog Devices Inc. | |
| Package | 28-TSSOP (0.173, 4.40mm Width) | |
| Number of Pins | 28 | |
| Number of Bits | 24 | |
| Sampling Rate | 3.05 Msps | |
| Polarity | Bipolar, Unipolar | |
| Interface | SPI (3-wire operation) | |
| Number of A/D Converters | 1 | |
| Min Supply Voltage | 4.75 V | |
| Supply Voltage | 5 V | |
| Analog Input Voltage Range | ±10 V, 0 V to +10 V, ±5 V, 0 V to +5 V | |
| Analog Input Overvoltage | ±16.5 V | |
| Channel-to-Channel Isolation | 110 dB at DC |
Key Features
- High Precision and Throughput: Achieves true 16-bit p-p resolution with a total conversion time of 500 μs, making it suitable for high-resolution multiplexing applications.
- Flexible Input Ranges: Supports unipolar and bipolar input ranges up to ±10 V and accepts analog input overvoltage up to ±16.5 V without degrading performance.
- Simple Digital Interface: Configurable via a simple digital interface, allowing users to balance noise performance against data throughput up to 15.4 kHz.
- Overrange and Underrange Detection: Features overrange and underrange detection capability and “No-Reference” detect for differential reference input.
- Per Channel System Calibration: Supports per channel system calibration options.
- Compatibility: The digital serial interface is compatible with microcontrollers and digital signal processors and can be configured for 3-wire operation.
Applications
- High-Resolution Multiplexing: Ideal for applications requiring high-resolution data acquisition with rapid channel switching.
- Industrial Automation: Suitable for industrial control systems, process control, and monitoring applications.
- Medical Devices: Can be used in medical equipment requiring precise analog-to-digital conversion.
- Aerospace and Defense: Applicable in various aerospace and defense systems needing high-precision data acquisition.
- Test and Measurement: Useful in test and measurement equipment where high accuracy and throughput are essential.
Q & A
- What is the resolution of the AD7734BRUZ-REEL ADC?
The AD7734BRUZ-REEL has a 24-bit resolution.
- What is the sampling rate of the AD7734BRUZ-REEL?
The sampling rate is up to 3.05 Msps.
- What are the supported input ranges for the AD7734BRUZ-REEL?
The device supports unipolar and bipolar input ranges up to ±10 V.
- What is the supply voltage for the AD7734BRUZ-REEL?
The supply voltage is 5 V nominal, with a minimum of 4.75 V.
- Does the AD7734BRUZ-REEL support overvoltage protection?
Yes, it accepts analog input overvoltage up to ±16.5 V without degrading performance.
- What type of interface does the AD7734BRUZ-REEL use?
The device uses an SPI interface, which can be configured for 3-wire operation.
- Is the AD7734BRUZ-REEL compatible with microcontrollers and digital signal processors?
Yes, the digital serial interface is compatible with microcontrollers and digital signal processors.
- What is the package type of the AD7734BRUZ-REEL?
The device is packaged in a 28-pin TSSOP (Thin Shrink Small Outline Package).
- Does the AD7734BRUZ-REEL support per channel system calibration?
Yes, it supports per channel system calibration options.
- What are some typical applications of the AD7734BRUZ-REEL?
Typical applications include high-resolution multiplexing, industrial automation, medical devices, aerospace and defense, and test and measurement equipment.
