Overview
The AD7794CRUZ-REEL, produced by Analog Devices Inc., is a highly integrated, low noise, and low power 24-bit Sigma-Delta Analog-to-Digital Converter (ADC). This component is designed for high precision measurement applications and features a complete analog front end. It includes a low noise instrumentation amplifier, allowing direct interface with signals of small amplitude, and a precision internal band gap reference. The AD7794CRUZ-REEL is housed in a 24-lead TSSOP package and operates over a temperature range of -40°C to +105°C, making it suitable for a wide range of industrial and medical applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7794CRUZ-REEL |
| Package | 24-TSSOP (0.173, 4.40mm Width) |
| Number of Bits | 24 |
| Sampling Rate | Up to 470 sps |
| Polarity | Bipolar, Unipolar |
| Interface | SPI |
| Number of A/D Converters | 1 |
| Min Supply Voltage | 2.7 V |
| Supply Voltage | Up to 5.25 V |
| Operating Temperature Range | -40°C to +105°C |
| Current Consumption | Typical 400 μA |
Key Features
- Low noise, low power 24-bit Sigma-Delta ADC with six differential inputs.
- On-chip low noise instrumentation amplifier for direct interface with small amplitude signals.
- Precision internal band gap reference and support for up to two external differential references.
- Programmable excitation current sources and burnout currents.
- Bias voltage generator to set the common-mode voltage of a channel to AVDD/2.
- Low-side power switch to power down bridge sensors between conversions, minimizing power consumption.
- Operates with either an internal or external clock.
- Output data rate from 4.17 Hz to 470 Hz.
Applications
The AD7794CRUZ-REEL is suitable for various high precision measurement applications, including industrial process control, medical devices, and precision instrumentation. Its low noise and low power characteristics make it ideal for applications requiring accurate and reliable analog-to-digital conversion.
Q & A
- What is the AD7794CRUZ-REEL?
The AD7794CRUZ-REEL is a 24-bit Sigma-Delta Analog-to-Digital Converter (ADC) produced by Analog Devices Inc.
- What is the package type of the AD7794CRUZ-REEL?
The AD7794CRUZ-REEL is housed in a 24-lead TSSOP package.
- What is the sampling rate of the AD7794CRUZ-REEL?
The sampling rate of the AD7794CRUZ-REEL can be up to 470 sps.
- What is the operating temperature range of the AD7794CRUZ-REEL?
The operating temperature range is -40°C to +105°C.
- What are the key features of the AD7794CRUZ-REEL?
Key features include a low noise instrumentation amplifier, precision internal band gap reference, programmable excitation current sources, and a low-side power switch.
- What applications is the AD7794CRUZ-REEL suitable for?
It is suitable for high precision measurement applications such as industrial process control, medical devices, and precision instrumentation.
- Can the AD7794CRUZ-REEL operate with an external clock?
Yes, the AD7794CRUZ-REEL can operate with either an internal or external clock.
- What is the typical current consumption of the AD7794CRUZ-REEL?
The typical current consumption is 400 μA.
- Does the AD7794CRUZ-REEL support external references?
Yes, it can accept up to two external differential references.
- Is there an evaluation board available for the AD7794CRUZ-REEL?
Yes, the EVAL-AD7794EBZ is a fully featured evaluation board for the AD7794.
