Overview
The DAC7311IDCKTG4 is a 12-bit, single-channel, low-power digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the DACx311 family and is designed for applications requiring high accuracy and low power consumption. The DAC7311IDCKTG4 operates over a wide power supply range of 2.0 V to 5.5 V and features a versatile three-wire serial interface compatible with SPI, QSPI, Microwire, and DSP interfaces. It is particularly suited for portable, battery-powered instruments, process control, and industrial automation due to its microPower operation and extended temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Number of D/A Converters | 1 |
| Settling Time | 12 µs (Typ) |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | SPI, QSPI, Microwire, DSP |
| Reference Type | Supply |
| Voltage - Supply, Analog | 2 V ~ 5.5 V |
| Voltage - Supply, Digital | 2 V ~ 5.5 V |
| INL/DNL (LSB) | ±0.3, ±0.2 |
| Architecture | String DAC |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 6-TSSOP, SC-88, SOT-363 |
| Supplier Device Package | SC-70-6 |
Key Features
- Low power consumption: 80 µA at 2.0 V and 0.55 mW at 5 V, reducing to 2.5 µW in power-down mode.
- High accuracy: Relative accuracy of ±1 LSB and differential nonlinearity of ±0.2 LSB.
- Versatile serial interface: Compatible with SPI, QSPI, Microwire, and DSP interfaces, operating at clock rates up to 50 MHz.
- Power-on reset: DAC output powers up at 0 V and remains at 0 V until a valid write to the device occurs.
- Power-down feature: Reduces current consumption to 0.1 µA at 2.0 V in power-down mode.
- Rail-to-rail output buffer amplifier.
- SYNC interrupt facility.
- Extended temperature range: -40°C to +125°C.
Applications
- Portable, battery-powered instruments.
- 4-mA to 20-mA loop-powered applications.
- Process control and industrial automation.
- Programmable voltage and current sources).
Q & A
- What is the resolution of the DAC7311IDCKTG4? The DAC7311IDCKTG4 has a 12-bit resolution.
- What is the operating temperature range of the DAC7311IDCKTG4? The operating temperature range is -40°C to 125°C).
- What are the supported data interfaces for the DAC7311IDCKTG4? The device supports SPI, QSPI, Microwire, and DSP interfaces).
- What is the typical settling time of the DAC7311IDCKTG4? The typical settling time is 12 µs).
- What is the power consumption of the DAC7311IDCKTG4 in normal operation? The power consumption is 80 µA at 2.0 V and 0.55 mW at 5 V).
- Does the DAC7311IDCKTG4 have a power-down feature? Yes, it has a power-down feature that reduces current consumption to 0.1 µA at 2.0 V).
- What is the output type of the DAC7311IDCKTG4? The output type is voltage - buffered).
- Is the DAC7311IDCKTG4 pin-compatible with other DACs in the family? Yes, it is pin-compatible with other DACs in the DACx311 family).
- What is the package type of the DAC7311IDCKTG4? The package types include 6-TSSOP, SC-88, and SOT-363).
- What are some typical applications of the DAC7311IDCKTG4? Typical applications include portable, battery-powered instruments, process control, and industrial automation).
