The 16-bit DAC81401 and 12-bit DAC61401 (DACx1401) devices are a pin-compatible family of single-channel, buffered, high-voltage output digital-to-analog converters (DACs) with an integrated 2.5‑V internal reference. These devices are specified monotonic and provide an exceptional linearity of less than 1 LSB (maximum).
The DACx1401 offer bipolar output voltages of ±20 V, ±10 V, ±5 V, and full-scale unipolar output voltages of 40 V, 10 V, and 5 V. The DAC output range is programmable.
The DACx1401 incorporate a power-on-reset (POR) circuit that powers up the DAC output and keeps the device in power-down mode until the outputs are enabled.
Communication to the devices is done through a high-speed, 4-wire serial interface compatible with industry-standard microprocessors and microcontrollers supporting 1.7‑V to 5.5‑V operation.
The DACx1401 are characterized for operation over the temperature range of –40°C to +125°C, and are available in a small 20-pin TSSOP package.
| Resolution (Bits) | 16 |
| Number of DAC channels | 1 |
| Interface type | SPI |
| Output type | Buffered Voltage |
| Settling time (µs) | 6 |
| Features | SDO |
| Reference type | Ext, Int |
| Architecture | R-2R |
| Rating | Catalog |
| Output range (max) (mA/V) | 40 |
| Output range (min) (mA/V) | -20 |
| Power consumption (typ) (mW) | 300 |
| Operating temperature range (°C) | -40 to 125 |
| TSSOP (PW) | 20 | 41.6 mm² 6.5 x 6.4 |
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