Overview
The AD7738BRUZ-REEL7 is a high-precision, 24-bit sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-accuracy data acquisition applications, offering excellent noise performance and low drift over temperature. The AD7738 is particularly suited for industrial, medical, and scientific instrumentation where high precision and reliability are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Conversion Type | Sigma-Delta |
| Input Range | ±10V, ±5V, ±2.5V, ±1.25V, 0 to 10V, 0 to 5V, 0 to 2.5V, 0 to 1.25V |
| Sampling Rate | Up to 100 Hz |
| Noise Performance | Typically 1.2 μV rms at 10 Hz update rate |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 28-Lead TSSOP (4.4mm x 9.7mm) |
| Power Supply | Single supply: 5V ± 10% or dual supply: ±2.5V |
Key Features
- High precision with 24-bit resolution
- Low noise performance, typically 1.2 μV rms at 10 Hz update rate
- Multiple input ranges: ±10V, ±5V, ±2.5V, ±1.25V, 0 to 10V, 0 to 5V, 0 to 2.5V, 0 to 1.25V
- Programmable output data rate from 1 Hz to 100 Hz
- On-chip PGA (Programmable Gain Amplifier) with gains of 1, 2, 4, 8, 16, 32, 64, and 128
- Single or dual power supply options: 5V ± 10% or ±2.5V
- Operating temperature range: -40°C to +85°C
Applications
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Scientific instrumentation and data acquisition systems
- Process control and monitoring systems
- High-precision measurement and testing equipment
Q & A
- What is the resolution of the AD7738BRUZ-REEL7?
The AD7738BRUZ-REEL7 has a 24-bit resolution.
- What are the input ranges available for the AD7738BRUZ-REEL7?
The input ranges include ±10V, ±5V, ±2.5V, ±1.25V, 0 to 10V, 0 to 5V, 0 to 2.5V, and 0 to 1.25V.
- What is the typical noise performance of the AD7738BRUZ-REEL7?
The typical noise performance is 1.2 μV rms at a 10 Hz update rate.
- What is the operating temperature range of the AD7738BRUZ-REEL7?
The operating temperature range is -40°C to +85°C.
- What package type is the AD7738BRUZ-REEL7 available in?
The AD7738BRUZ-REEL7 is available in a 28-Lead TSSOP package.
- What are the power supply options for the AD7738BRUZ-REEL7?
The power supply options include a single supply of 5V ± 10% or a dual supply of ±2.5V.
- What is the maximum sampling rate of the AD7738BRUZ-REEL7?
The maximum sampling rate is up to 100 Hz.
- Does the AD7738BRUZ-REEL7 have an on-chip PGA?
Yes, the AD7738BRUZ-REEL7 has an on-chip Programmable Gain Amplifier (PGA) with gains of 1, 2, 4, 8, 16, 32, 64, and 128.
- What are some common applications for the AD7738BRUZ-REEL7?
Common applications include industrial automation, medical devices, scientific instrumentation, process control, and high-precision measurement systems.
- Where can I find detailed specifications and datasheets for the AD7738BRUZ-REEL7?
Detailed specifications and datasheets can be found on the official Analog Devices website and through distributors like Digi-Key and Mouser Electronics.
