Overview
The AD7942BRMZ-RL7 is a high-performance, 14-bit, single-channel successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to offer high accuracy and low power consumption, making it suitable for a variety of applications in industrial, medical, and consumer electronics.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | Up to 250 kSPS |
| Input Range | 0 V to VREF |
| Reference Voltage | External (up to 5 V) |
| Power Supply | Single supply: 2.5 V to 5.5 V |
| Operating Temperature | –40°C to +85°C |
| Package Type | 10-Lead MSOP |
| Interface | Serial (SPI-compatible) |
| RoHS Compliance | Yes |
Key Features
- High resolution of 14 bits with no missing codes
- High sampling rate of up to 250 kSPS
- Low power consumption: typically 3.5 mW at 250 kSPS with 3 V supply
- High accuracy with ±0.5 LSB INL and ±1 LSB DNL
- SPI-compatible serial interface
- External reference input (up to 5 V)
- Single supply operation: 2.5 V to 5.5 V
Applications
- Industrial automation and control systems
- Medical devices such as patient monitoring systems and portable diagnostic equipment
- Consumer electronics including audio and video devices
- Automotive systems requiring high accuracy and reliability
- Test and measurement equipment
Q & A
- What is the resolution of the AD7942BRMZ-RL7 ADC?
The AD7942BRMZ-RL7 has a resolution of 14 bits. - What is the maximum sampling rate of the AD7942BRMZ-RL7?
The maximum sampling rate is up to 250 kSPS. - What is the operating temperature range of the AD7942BRMZ-RL7?
The operating temperature range is –40°C to +85°C. - What type of package does the AD7942BRMZ-RL7 come in?
The AD7942BRMZ-RL7 comes in a 10-Lead MSOP package. - Is the AD7942BRMZ-RL7 RoHS compliant?
Yes, the AD7942BRMZ-RL7 is RoHS compliant. - What is the typical power consumption of the AD7942BRMZ-RL7 at 250 kSPS with a 3 V supply?
The typical power consumption is 3.5 mW. - What type of interface does the AD7942BRMZ-RL7 use?
The AD7942BRMZ-RL7 uses an SPI-compatible serial interface. - Can the AD7942BRMZ-RL7 operate with an external reference voltage?
Yes, it can operate with an external reference voltage up to 5 V. - What is the input range of the AD7942BRMZ-RL7?
The input range is 0 V to VREF. - What are some common applications of the AD7942BRMZ-RL7?
Common applications include industrial automation, medical devices, consumer electronics, automotive systems, and test and measurement equipment.
