Overview
The DAC5571IDBVR is a low-power, single-channel, 8-bit buffered voltage output Digital-to-Analog Converter (DAC) produced by Texas Instruments. It features an on-chip precision output amplifier that allows for rail-to-rail output swing. The DAC utilizes an I2C-compatible, two-wire serial interface operating at clock rates up to 3.4 Mbps, with support for up to two DAC5571s on the same data bus. The device is particularly suited for applications requiring low power consumption and high-speed data transfer.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Update Rate | 188 KSPS |
| Power Supply | +2.7 V to +5.5 V |
| Power Consumption | < 0.7 mW at VDD = 5 V, 1 µW in power-down mode |
| Operating Temperature Range | -40°C to 105°C |
| Package | SOT-23 (DBV), 6 pins |
| I2C Interface Speed | Up to 3.4 Mbps |
| Output Voltage Range | 0 V to VDD |
Key Features
- Micro-power operation: 125 µA @ 3 V
- Fast update rate: 188 KSPS
- Power-on reset to zero
- Specified monotonic by design
- I2C interface up to 3.4 Mbps
- On-chip output buffer amplifier with rail-to-rail operation
- Double-buffered input register
- Address support for up to two DAC5571s
- Small 6-lead SOT-23 package
- Power-down feature reducing current consumption to 50 nA at 5 V
Applications
- Process Control
- Data Acquisition Systems
- Closed-Loop Servo Control
- PC Peripherals
- Portable Instrumentation
Q & A
- What is the resolution of the DAC5571IDBVR?
The DAC5571IDBVR has an 8-bit resolution.
- What is the update rate of the DAC5571IDBVR?
The update rate of the DAC5571IDBVR is 188 KSPS.
- What is the power supply range for the DAC5571IDBVR?
The power supply range for the DAC5571IDBVR is +2.7 V to +5.5 V.
- How much power does the DAC5571IDBVR consume?
The DAC5571IDBVR consumes less than 0.7 mW at VDD = 5 V and reduces to 1 µW in power-down mode.
- What is the operating temperature range of the DAC5571IDBVR?
The operating temperature range of the DAC5571IDBVR is -40°C to 105°C.
- What type of package does the DAC5571IDBVR come in?
The DAC5571IDBVR comes in a SOT-23 (DBV) package with 6 pins.
- What is the speed of the I2C interface on the DAC5571IDBVR?
The I2C interface on the DAC5571IDBVR operates up to 3.4 Mbps.
- What is the output voltage range of the DAC5571IDBVR?
The output voltage range of the DAC5571IDBVR is 0 V to VDD.
- Does the DAC5571IDBVR have a power-on reset feature?
Yes, the DAC5571IDBVR has a power-on reset feature that ensures the DAC output powers up at zero volts.
- Can the DAC5571IDBVR be used in battery-operated devices?
Yes, the DAC5571IDBVR is suitable for battery-operated devices due to its low power consumption.
