Description
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 Bui
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