Overview
The MCP4922-E/SL is a dual-channel 12-bit Digital-to-Analog Converter (DAC) produced by Microchip Technology. This device is part of the MCP4902/MCP4912/MCP4922 product family, which are dual-channel 8-bit, 10-bit, and 12-bit DACs respectively, all using an external voltage reference. The MCP4922 is known for its high accuracy, low power consumption, and compact packaging, making it suitable for a variety of consumer and industrial applications.
Key Specifications
| Specification | Value |
|---|---|
| Interface | SPI |
| No of Channels | 2 |
| Resolution | 12-bit |
| Supply Voltage | 2.7V to 5.5V |
| Settling Time | 4.5µs |
| On-Chip DAC | 2-ch x 12-bit |
| Operating Temperature Range | -40°C to +125°C |
| Storage Temperature Range | -65°C to +150°C |
| Moisture Sensitivity Level | 1 |
| Package Style | SOIC-14 |
| Mounting Method | Surface Mount |
Key Features
- 12-bit resolution
- Dual channel voltage output
- Operation from 2.7V to 5.5V
- Typical operating current of 350 µA
- External voltage reference pin
- Integral Non-Linearity (INL) ±2 LSB (typical)
- Differential Non-Linearity (DNL) ±0.75 LSB (maximum)
- Output settling time of 4.5 µs
- SPI interface for communication
- Available in 14-pin PDIP, SOIC, and TSSOP packages
- Temperature range from -40°C to +125°C
Applications
- Set point or offset trimming
- Sensor calibration
- Digitally-controlled multiplier/divider
- Portable instrumentation (battery-powered)
- Motor feedback loop control
Q & A
- What is the resolution of the MCP4922-E/SL DAC?
The MCP4922-E/SL has a 12-bit resolution. - How many channels does the MCP4922-E/SL have?
The MCP4922-E/SL is a dual-channel DAC. - What is the supply voltage range for the MCP4922-E/SL?
The supply voltage range is from 2.7V to 5.5V. - What is the settling time of the MCP4922-E/SL?
The output settling time is 4.5 µs. - What interface does the MCP4922-E/SL use for communication?
The MCP4922-E/SL uses an SPI interface for communication. - What is the typical operating current of the MCP4922-E/SL?
The typical operating current is 350 µA. - What are the available package styles for the MCP4922-E/SL?
The MCP4922-E/SL is available in 14-pin PDIP, SOIC, and TSSOP packages. - What is the operating temperature range of the MCP4922-E/SL?
The operating temperature range is from -40°C to +125°C. - What are some common applications of the MCP4922-E/SL?
Common applications include set point or offset trimming, sensor calibration, digitally-controlled multiplier/divider, portable instrumentation, and motor feedback loop control. - Does the MCP4922-E/SL use an internal or external voltage reference?
The MCP4922-E/SL uses an external voltage reference.
