Overview
The AD7732BRUZ-REEL7, manufactured by Analog Devices Inc., is a high-precision, high-throughput analog-to-digital converter (ADC) designed for various precision measurement applications. This 24-bit Sigma-Delta ADC features two fully differential analog input channels with input ranges of ±5 V and ±10 V, making it suitable for industrial process control, strain gauge sensors, temperature measurement, and weigh scales. The device operates from a single +5 V analog supply and has a digital supply voltage option of 3.3 V or 5 V. Its compact 28-lead TSSOP package and low power consumption of 85 mW make it ideal for applications requiring high accuracy and reliability in a small form factor.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Series | AD7732 |
| Mounting Style | SMD/SMT | Resolution | 24 bit |
| Number of Channels | 2 Channel | Sampling Rate | 15.4 kS/s |
| Input Type | Differential | Interface Type | 3-Wire, SPI |
| Architecture | Sigma-Delta | Reference Type | External |
| Minimum Operating Temperature | -40°C | Maximum Operating Temperature | +105°C |
| Package | Reel | Height | 1.05 mm |
| Input Voltage | 5 V/10 V, +/- 5 V/+/- 10 V | Length | 9.7 mm |
| Number of Converters | 1 Converter | Power Consumption | 85 mW |
| Width | 4.4 mm | Brand | Analog Devices |
| Development Kit | EVAL-AD7732EBZ | Gain Error | +/- 0.7 %FSR |
| INL - Integral Nonlinearity | +/- 0.003 % FSR | Number of ADC Inputs | 2 Input |
| Operating Supply Voltage | 5 V | Pd - Power Dissipation | 100 mW |
| Sample and Hold | No | Factory Pack Quantity | 1000 |
| Unit Weight | 0.014215 oz |
Key Features
- High-resolution 24-bit Sigma-Delta ADC with no missing codes and ±0.0015% nonlinearity.
- Two fully differential analog input channels with input ranges of ±5 V and ±10 V.
- 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 and overrange/underrange detection capability.
- On-chip per channel system calibration and temperature sensor for real-time monitoring.
- Low power consumption of 85 mW and compact 28-lead TSSOP package.
- Operating temperature range of -40°C to +105°C.
- Supports fast channel switching with total conversion times as low as 500 μs.
Applications
- Precision measurement applications such as industrial process control, strain gauge sensors, temperature measurement, and weigh scales.
- Medical instruments, pressure sensors, and data acquisition systems.
- PLCs/DCS, multiplexing applications, and industrial instrumentation.
- Factory automation, healthcare monitoring, and military and aerospace applications.
Q & A
- What is the resolution of the AD7732BRUZ-REEL7 ADC?
The AD7732BRUZ-REEL7 has a 24-bit resolution.
- How many differential analog input channels does the AD7732BRUZ-REEL7 have?
The device has two fully differential analog input channels.
- What are the input voltage ranges for the AD7732BRUZ-REEL7?
The input voltage ranges are ±5 V and ±10 V.
- What is the sampling rate of the AD7732BRUZ-REEL7?
The sampling rate is up to 15.4 kS/s.
- What type of serial interface does the AD7732BRUZ-REEL7 support?
The device supports a 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- What is the operating temperature range of the AD7732BRUZ-REEL7?
The operating temperature range is -40°C to +105°C.
- Does the AD7732BRUZ-REEL7 have on-chip calibration capabilities?
Yes, it has on-chip per channel system calibration options.
- What is the power consumption of the AD7732BRUZ-REEL7?
The power consumption is 85 mW.
- What package type is the AD7732BRUZ-REEL7 available in?
The device is available in a 28-lead TSSOP package.
- What are some common applications of the AD7732BRUZ-REEL7?
Common applications include industrial process control, medical instruments, pressure sensors, and data acquisition systems.
