Overview
The AD7732BRUZ-REEL, manufactured by Analog Devices Inc., is a high-precision, high-throughput analog-to-digital converter (ADC) designed for various industrial and process control applications. This 24-bit Sigma-Delta ADC features two fully differential input channels and is optimized for fast channel switching, making it ideal for high-resolution multiplexing applications. The device operates from a single +5 V analog supply and supports a range of input voltages, including ±10 V, ±5 V, 0 V to +10 V, and 0 V to +5 V.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 24 bits | - | No missing codes |
| Nonlinearity | ±0.0015% | - | - |
| Input Channels | 2 fully differential | - | - |
| Input Ranges | ±10 V, ±5 V, 0 V to +10 V, 0 V to +5 V | - | - |
| Analog Supply Voltage | +5 V | - | - |
| Digital Supply Voltage | 3 V or 5 V | - | - |
| Package | 28-lead TSSOP | - | 4.4mm x 9.7mm |
| Operating Temperature Range | –40°C to +105°C | - | Extended industrial temperature range |
| Overvoltage Tolerance | Up to ±16.5 V | - | Without affecting adjacent channels |
| Serial Interface | 3-wire, SPI, QSPI, MICROWIRE, DSP compatible | - | Schmitt trigger on logic inputs |
Key Features
- High resolution ADC with 24 bits, no missing codes, and ±0.0015% nonlinearity.
- Optimized for fast channel switching with true 16-bit peak-to-peak resolution achievable in 500 µs (2 kHz channel switching).
- On-chip per channel system calibration options.
- Two fully differential analog input channels with unipolar or true bipolar input ranges up to ±10 V.
- Overrange and underrange detection capability.
- Accepts analog input overvoltage up to ±16.5 V without degrading the performance of adjacent channels.
- Single-supply operation with +5 V analog supply and 3 V or 5 V digital supply.
- 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Schmitt trigger on logic inputs.
Applications
- Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS).
- Multiplexing applications.
- Process control.
- Industrial instrumentation.
Q & A
- What is the resolution of the AD7732BRUZ-REEL ADC?
The AD7732BRUZ-REEL has a 24-bit resolution with no missing codes.
- What are the input voltage ranges supported by the AD7732BRUZ-REEL?
The device supports input voltage ranges of ±10 V, ±5 V, 0 V to +10 V, and 0 V to +5 V.
- What is the operating temperature range of the AD7732BRUZ-REEL?
The device operates over an extended industrial temperature range of –40°C to +105°C.
- Does the AD7732BRUZ-REEL support overvoltage protection?
Yes, it accepts analog input overvoltage up to ±16.5 V without affecting adjacent channels.
- What type of serial interface does the AD7732BRUZ-REEL use?
The device uses a 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Is the AD7732BRUZ-REEL RoHS compliant?
Yes, the AD7732BRUZ-REEL is RoHS compliant.
- What is the package type of the AD7732BRUZ-REEL?
The device is available in a 28-lead TSSOP package.
- Can the AD7732BRUZ-REEL be used in multiplexing applications?
Yes, it is optimized for fast channel switching, making it suitable for high-resolution multiplexing applications.
- Does the AD7732BRUZ-REEL support system calibration?
Yes, it has on-chip per channel system calibration options.
- What are some common applications of the AD7732BRUZ-REEL?
Common applications include PLCs/DCS, multiplexing, process control, and industrial instrumentation.
