Product Overview
The R2A20178NP is a high-performance electronic component from Renesas, featuring a 24-pin HWQFN (4x4x0.75mm) package. It is designed for a wide range of applications including industrial, consumer, and communication systems, delivering reliable performance and excellent value.
Key Specifications
| Parameter | 8-channel 8-bit voltage output DAC |
| Parameter | R-2R architecture |
| Parameter | buffered rail-to-rail output |
| Parameter | SPI interface up to 25MHz |
| Parameter | 2.7-5.5V supply |
| Parameter | 150us settling time |
| Parameter | +/-1LSB INL |
| Parameter | double-buffered |
| Parameter | power-down mode |
| Parameter | -30~85C |
| Package | 24-pin HWQFN (4x4x0.75mm) |
Features
- 8 independent 8-bit DAC channels in single package
- R-2R ladder architecture for monotonic performance
- Buffered voltage outputs with rail-to-rail swing
- Excellent linearity: +/-1 LSB INL max, +/-0.7 LSB DNL max
- Fast settling time: 150us typical
- External voltage reference input
- Wide supply range: 2.7V to 5.5V
- SPI-compatible serial interface (up to 25MHz)
- Daisy-chain capability for multi-device expansion
- Double-buffered registers: simultaneous output update
- Software power-down mode with 0.5uA current
- Low power consumption: 2.5mW at 5V
- Output load capability: +/-5mA
- Power-on reset with zero-scale output
- Compact 24-pin HWQFN package (4x4mm)
- Exposed pad for improved thermal dissipation
- RoHS compliant and lead-free
Applications
- LCD backlight and brightness control
- Programmable voltage references
- Digital potentiometer replacement
- LED current control and dimming
- Motor control and actuator adjustment
- Calibration and trimming circuits
- Audio volume control
- General-purpose analog voltage output