The DAC8532 is a dual channel, 16-bit digital-to-analog converter (DAC) offering low power operation and a flexible serial host interface. Each on-chip precision output amplifier allows rail-to-rail output swing to be achieved over the supply range of 2.7 V to 5.5 V. The device supports a standard 3-wire serial interface capable of operating with input data clock frequencies up to 30 MHz for VDD = 5 V.
The DAC8532 requires an external reference voltage to set the output range of each DAC channel. The device incorporates a power-on reset circuit which ensures that the DAC outputs power up at zero-scale and remain there until a valid write takes place. The DAC8532 provides a flexible power-down feature, accessible over the serial interface, that reduces the current consumption of the device to 200 nA at 5 V.
The low-power consumption of the device in normal operation makes it ideally suited to portable battery-operated equipment and other low-power applications. The power consumption is 2.5 mW at 5 V, reducing to 1 µW in power-down mode.
The DAC8532 is available in a VSSOP-8 package with a specified operating temperature range of –40°C to 105°C.
| Resolution (Bits) | 16 |
| Number of DAC channels | 2 |
| Interface type | SPI |
| Output type | Buffered Voltage |
| Settling time (µs) | 10 |
| Reference type | Ext |
| Architecture | String |
| Rating | Catalog |
| Output range (max) (mA/V) | 5.5 |
| Output range (min) (mA/V) | 0 |
| Sample/update rate (Msps) | 0.093 |
| Power consumption (typ) (mW) | 1.35 |
| Operating temperature range (°C) | -40 to 105 |
| VSSOP (DGK) | 8 | 14.7 mm² 3 x 4.9 |