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AA88347L- 8 Bit DAC
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General Description
The AA88347L is a CMOS processed digital to analog converter (DAC) with 8-bit resolution, low leakage
current and low operating current. The AA88347L has 8 channels with build in operational amplifier output
buffers which could operate in the full-swing voltage range from VCC to GND and enhance the Drive/Sink
ability up to max. 1mA. Digital data(DI) input serially in a max. 2.5 MHz clock(CLK) rate. The latched
12-bit digital data are converted into an analog DC voltage in the range from VSS to VDD with 8-bit
resolution in one of the eight channels by the D/A converter in a max. 200£gs settling time.

Features
¡D12 bits serial data input(3 wire serial data transfer method, DI, CLK, LD)
¡DR-2R resistor ladder used for D/A conversion
¡D8 channels with 8-bit resolution monotonic D/A converted
¡D8 channel buffer operational amplifiers operating in the full voltage range from VCC to GND only if VDD=VCC
--and VSS=GND
¡DMax. 2.5 MHz serial digital data input
¡DSerial I/O for cascade application
¡DMax. 1.0 mA output drive/sink current
¡DTwo separate power supply/ground lines for system and analog power supply
¡DSingle +3 V system power supply

Applications
¡DDVD,CD-R,CD-RW,DVC
¡DDigital camera
¡DOther industrial equipments