The TLV5630, TLV5631, and TLV5632 are pin-compatible,eight-channel, 12-/10-/8-bit voltage output DACs each with a flexible serial interface. The serial interface allows glueless interface to TMS320 and SPI, QSPI, and Microwire serial ports. It is programmed with a 16-bit serial string containing 4 control and 12 data bits.
Additional features are a power-down mode, an LDAC input for simultaneous update of all eight DAC outputs, and a data output which can be used to cascade multiple devices, and an internal programmable band-gap reference.
The resistor string output voltage is buffered by a rail-to-rail output amplifier with a programmable settling time to allow the designer to optimize speed vs power dissipation. The buffered, high-impedance reference input can be connected to the supply voltage.
Implemented with a CMOS process, the DACs are designed for single-supply operation from 2.7 V to 5.5 V, and can operate on two separate analog and digital power supplies. The devices are available in 20-pin SOIC and TSSOP packages.
| Resolution (Bits) | 8 |
| Number of DAC channels | 8 |
| Interface type | SPI |
| Output type | Buffered Voltage |
| Settling time (µs) | 1 |
| Features | SDO |
| Reference type | Ext, Int |
| Architecture | String |
| Rating | Catalog |
| Output range (max) (mA/V) | 5.1 |
| Output range (min) (mA/V) | 0 |
| Sample/update rate (Msps) | 0.283 |
| Power consumption (typ) (mW) | 18 |
| Operating temperature range (°C) | -40 to 85 |
| SOIC (DW) | 20 | 131.84 mm² 12.8 x 10.3 |
| TSSOP (PW) | 20 | 41.6 mm² 6.5 x 6.4 |
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