AD5424 PDF Datasheet
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Description
This is High Bandwidth Multiplying DACs. 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, 4 MH- BW multiplying DAC ±1 LSB DNL ±1 LSB INL for AD5557, ±2 LSB INL for AD5547 Operating supply voltage: 2.7 V to 5.5 V Low noise: 12 nV, √H- Low power: IDD = 10 A max 0.5 s 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 TSSOP-38 package
FUNCTIONAL BLOCK DIAGRAM
R1A RCOMA VREFA ROFSA RFBA VDD D0 D15 (AD5547) D0 D13 (AD5557) D0..D15 OR D0..D13 INPUT REGISTER RS DAC A REGISTER RS DAC A IOUTA AGNDA AGNDB INPUT REGISTER RS DAC B REGISTER RS DAC B IOUTB RFBB ROFSB
WR A0, A1
DAC A DAC B ADDR DECODE
AD5547, AD5557
LDAC R1.