Overview
The DAC7311IDCKR is a 12-bit, single-channel, ultra-low power digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the DACx311 family, which includes 8-bit, 10-bit, and 12-bit resolution DACs. It is designed for battery-powered applications and offers high performance and accuracy, making it suitable for various industrial, automotive, and consumer electronics applications.
The DAC7311IDCKR features a wide power supply range of 2.0 V to 5.5 V, low power consumption, and a small form factor in a 6-pin SC70 package. It is monotonic by design, providing excellent linearity and minimizing undesired code-to-code transient voltages. The device also includes a power-on reset circuit that sets the output to 0 V until a valid write occurs.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Resolution (Bits) | 12 | Number of DAC channels | 1 |
| Interface type | SPI | Output type | Buffered Voltage |
| Settling time (µs) | 6 | Reference type | External |
| Power consumption (typ) (mW) | 0.14 | Power supply range (V) | 2.0 to 5.5 |
| Operating temperature range (°C) | -40 to 125 | Package | 6-pin SC70 (SOT-363) |
| Output voltage range | 0 to Vref | Serial clock frequency (MHz) | Up to 50 |
Key Features
- Ultra-low power consumption: 80 µA at 2.0 V and 0.1 µA in power-down mode at 2.0 V.
- Wide power supply range: 2.0 V to 5.5 V.
- High-speed serial interface: Up to 50 MHz, compatible with SPI, QSPI, Microwire, and DSP interfaces.
- On-chip output buffer amplifier with rail-to-rail operation.
- Power-on reset to zero scale.
- SYNC interrupt facility.
- Extended temperature range: -40°C to +125°C.
- Pin-compatible family in a tiny, 6-pin SC70 package.
- Rapid wake-up from sleep mode.
- Precision digital-to-analog conversion with relative accuracy of 1 LSB INL.
Applications
- Portable, battery-powered instruments.
- Industrial automation and process control.
- Programmable voltage and current sources.
- Motor control, test equipment, and medical devices.
- Communication equipment where precise analog output signals are required.
- 4-mA to 20-mA loop-powered applications.
Q & A
- What is the resolution of the DAC7311IDCKR?
The DAC7311IDCKR is a 12-bit digital-to-analog converter.
- What is the power consumption of the DAC7311IDCKR?
The device consumes 80 µA at 2.0 V and 0.1 µA in power-down mode at 2.0 V.
- What is the operating temperature range of the DAC7311IDCKR?
The operating temperature range is -40°C to +125°C.
- What type of interface does the DAC7311IDCKR use?
The device uses a high-speed serial interface compatible with SPI, QSPI, Microwire, and DSP interfaces, up to 50 MHz.
- What is the package type of the DAC7311IDCKR?
The device is packaged in a 6-pin SC70 (SOT-363) package).
- Does the DAC7311IDCKR have a power-on reset feature?
Yes, the device has a power-on reset circuit that sets the output to 0 V until a valid write occurs).
- What is the settling time of the DAC7311IDCKR?
The settling time is approximately 6 µs).
- Is the DAC7311IDCKR pin-compatible with other DACs?
Yes, it is pin-compatible with other DACs in the DACx311 family, including the DAC8311 and DAC8411).
- What are some common applications of the DAC7311IDCKR?
Common applications include portable, battery-powered instruments, industrial automation, process control, motor control, and medical devices).
- Does the DAC7311IDCKR support rapid wake-up from sleep mode?
Yes, the device supports rapid wake-up from sleep mode).
