AD5449
FEATURES
10 MHz multiplying bandwidth 50 MHz serial interface 2.5 V to 5.5 V supply operation ±10 V reference input Pin patible 8-, 10-, and 12-bit DACs Extended temperature range:
- 40°C to +125°C 16-lead TSSOP package Guaranteed monotonic Power-on reset Daisy-chain mode Readback function 0.5 µA typical current consumption
FUNCTIONAL BLOCK DIAGRAM
VREFA
AD5429/AD5439/AD5449
VDD SYNC SCLK SDIN SDO CLR INPUT REGISTER LDAC DAC REGISTER SHIFT REGISTER INPUT REGISTER DAC REGISTER 8-/10-/12-BIT R-2R DAC A
RFB R RFBA IOUT1A IOUT2A
POWER-ON RESET
8-/10-/12-BIT R-2R DAC B
IOUT1B IOUT2B RFBB
04464-0-001
RFB R LDAC VREFB
Figure 1.
APPLICATIONS
Portable battery-powered applications Waveform generators Analog processing Instrumentation applications Programmable amplifiers and attenuators Digitally controlled calibration Programmable filters and oscillators posite video Ultrasound Gain, offset, and voltage trimming
GENERAL DESCRIPTION
The AD5429/AD5439/AD54491 are CMOS 8-, 10-, and 12-bit...
