Overview
The AD7938BCPZ is a high-performance, 8-channel, 14-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to offer high accuracy and low power consumption, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| Resolution | 14 bits |
| Conversion Rate | Up to 1.5 MSPS |
| Input Range | 0 V to VREF |
| Reference Voltage | 2.5 V or 5 V |
| Power Supply | Single 3 V or 5 V supply |
| Power Consumption | Typically 15 mW at 3 V supply |
| Package Type | 32-Lead LFCSP (5mm x 5mm w/ EP) |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- High accuracy with ±0.5 LSB INL and ±1 LSB DNL
- Low power consumption, suitable for battery-powered devices
- Fast conversion rate of up to 1.5 MSPS
- Support for both 3 V and 5 V power supplies
- On-chip reference and buffer
- Serial interface (SPI/QSPI/Microwire/DSP compatible)
- Small footprint 32-lead LFCSP package
Applications
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Automotive systems, including infotainment and safety systems
- Test and measurement equipment
Q & A
- What is the resolution of the AD7938BCPZ ADC?
The AD7938BCPZ has a resolution of 14 bits. - How many channels does the AD7938BCPZ support?
The AD7938BCPZ supports 8 channels. - What is the maximum conversion rate of the AD7938BCPZ?
The maximum conversion rate is up to 1.5 MSPS. - What are the supported power supply voltages for the AD7938BCPZ?
The device supports both 3 V and 5 V power supplies. - What is the typical power consumption of the AD7938BCPZ at 3 V supply?
The typical power consumption is 15 mW at 3 V supply. - What is the package type of the AD7938BCPZ?
The package type is 32-Lead LFCSP (5mm x 5mm w/ EP). - What is the operating temperature range of the AD7938BCPZ?
The operating temperature range is -40°C to +85°C. - Does the AD7938BCPZ have an on-chip reference and buffer?
Yes, the AD7938BCPZ includes an on-chip reference and buffer. - What types of serial interfaces does the AD7938BCPZ support?
The device supports SPI/QSPI/Microwire/DSP compatible serial interfaces. - What are some typical applications for the AD7938BCPZ?
Typical applications include industrial automation, medical devices, aerospace and defense systems, automotive systems, and test and measurement equipment.
