AD5557

Data Sheet Dual-Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors AD5547/AD5557 FEATURES Dual channel 16-bit resolution: AD5547 14-bit resolution: AD5557 2- or 4-quadrant, 6.8 MHz BW multiplying DAC ±1 LSB DNL ±1 LSB INL Operating supply voltage: 2.7 V to 5.5 V Low noise: 12 nV/√Hz Low power: IDD = 10 µA max 0.5 µs settling time Built-in RFB facilitates current-to-voltage conversion Built-in 4-quadrant resistors allow 0 V to –10 V, 0 V to +10 V, or ±10 V outputs 2 mA full-scale current ± 20%, with VREF = 10 V Extended automotive operating temperature range −40°C to +125°C Selectable zero-scale/midscale power-on presets Compact 38-lead TSSOP package APPLICATIONS Automatic test equipment Instrumentation Digitally controlled calibration Digital waveform generation VREF U1 –VREF C1 FUNCTIONAL BLOCK DIAGRAM R1A RCOMA VREFA ROFSA VDD D0 TO D15 (AD5547) D0 TO D13 (AD5557) D0..D15 OR D0..D13 WR A0, A1 DAC A DAC B ADDR DECODE INPUT...