The AD5381 is a 40-channel, 3V/5V, single-supply, 12-bit, voltage output DAC with the following features: guaranteed monotonic INL error: ±1 LSB max, on-chip 1.25V/2.5V, 10ppm/°C reference, temperature range: -40°C to +85°C, rail-to-rail output amplifier, power-down, package type: 100-lead LQFP (14mm x 14mm), user interfaces: parallel serial (SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible, featuring data readback) I2C®-compatible