The AD5547/AD5557 is a dual-channel, 16/14-bit multiplying DAC with dual-current output and parallel input. It features high accuracy, low noise, and low power consumption, making it suitable for applications such as automatic test equipment, instrumentation, and digital calibration.
The AD5547/AD5557 are dual precision, 16‑/14‑bit, multiplying, low‑power, current‑output DACs with parallel input. They operate from a single 2.7 V to 5.5 V supply and provide 4‑quadrant output up to ±10 V with a 6.8 MHz bandwidth. Built‑in resistors simplify I‑to‑V conversion and reduce external component count.
Typical applications include automatic test equipment, instrumentation, digitally controlled calibration, and digital waveform generation. The devices are offered in a compact 38‑lead TSSOP package and are qualified for an extended automotive temperature range of –40 °C to +125 °C.
| Resolution | 16‑bit (AD5547) / 14‑bit (AD5557) |
|---|---|
| Supply Voltage | 2.7 V to 5.5 V |
| Output Current | 2 mA full‑scale |
| Temperature Range | –40 °C to +125 °C |
| Bandwidth | 6.8 MHz |
| DNL | +1 LSB |
| INL | +1 LSB |
| Noise | 12 nV/V·Hz |
| Power Consumption | 10 pA max (Ipp) |
| Settling Time | 0.5 ps |
| Package | 38‑lead TSSOP |
The devices operate from a supply voltage of 2.7 V to 5.5 V.
Each channel can deliver a full‑scale output current of 2 mA.
They are qualified for an automotive temperature range of –40 °C to +125 °C.
The AD5547 offers 16‑bit resolution, while the AD5557 provides 14‑bit resolution.