Overview
The DAC082S085 is a full-featured, general-purpose, dual 8-bit, voltage-output digital-to-analog converter (DAC) produced by Texas Instruments. This device operates from a single 2.7-V to 5.5-V supply and is known for its low power consumption, with typical power usage of 0.6 mW at 3 V and 1.6 mW at 5 V. The DAC082S085 is packaged in 10-pin SON and VSSOP packages, making it one of the smallest dual DACs in its class. It features an on-chip output amplifier that allows rail-to-rail output swing and a three-wire serial interface compatible with standard SPI™, QSPI, MICROWIRE, and DSP interfaces, operating at clock rates up to 40 MHz over the entire supply voltage range.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8 Bits |
| INL (Integral Non-Linearity) | ±0.5 LSB (Maximum) |
| DNL (Differential Non-Linearity) | 0.18 / –0.13 LSB (Maximum) |
| Settling Time | 4.5 µs (Maximum) |
| Zero Code Error | 15 mV (Maximum) |
| Full-Scale Error | –0.75% FS (Maximum) |
| Supply Power (Normal) | 0.6 mW (3 V) / 1.6 mW (5 V) (Typical) |
| Supply Power (Power Down) | 0.3 µW (3 V) / 0.8 µW (5 V) (Typical) |
| Operating Temperature Range | –40°C to 105°C |
| Package Types | 10-pin SON and VSSOP |
Key Features
- Ensured Monotonicity
- Low Power Operation
- Rail-to-Rail Voltage Output
- Power-On Reset to 0 V
- Simultaneous Output Updating
- Wide Power Supply Range: 2.7 V to 5.5 V
- Industry's Smallest Package
- Power-Down Modes
Applications
- Battery-Powered Instruments
- Digital Gain and Offset Adjustment
- Programmable Voltage and Current Sources
- Programmable Attenuators
Q & A
- What is the resolution of the DAC082S085?
The resolution of the DAC082S085 is 8 bits.
- What is the typical power consumption of the DAC082S085 at 3 V and 5 V?
The typical power consumption is 0.6 mW at 3 V and 1.6 mW at 5 V.
- What are the package options for the DAC082S085?
The DAC082S085 is available in 10-pin SON and VSSOP packages.
- What is the operating temperature range of the DAC082S085?
The operating temperature range is –40°C to 105°C.
- Does the DAC082S085 support simultaneous output updating?
- What are the power-down modes available for the DAC082S085?
The DAC082S085 has four power-down modes, including high-Z outputs, 2.5 kΩ to GND, and 100 kΩ to GND.
- What is the maximum settling time of the DAC082S085?
The maximum settling time is 4.5 µs.
- Is the DAC082S085 compatible with standard SPI, QSPI, MICROWIRE, and DSP interfaces?
- What is the maximum clock rate for the serial interface of the DAC082S085?
The serial interface operates at clock rates up to 40 MHz.
- Does the DAC082S085 have a power-on reset feature?
