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  AA88348AP
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    Parts No : AA88348AP
    Description : 8-bit 8-channel D/A converter
    Supply : 4.5-5.5V
    Package : TSSOP16
    Size : - X - X -
  Data Sheet
     AA88348AP_20050518.pdf (95.3K) [8]
  General Description
¡á General Description
   
    The AA88348AP is a CMOS processed digital to analog converter (DAC) with 8-bit
    reso- lotion, low leakage current and low operating current. The AA88348AP has 8channels
    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. 10MHz clock (CLK) rate. The latched 12-bit digital
    data is 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. 20¥ìs settling time.

    AA88348AP is a single 5V power DAC. Analog DC output could be full voltage swing
    as the analog power is equal to the system power. In addition to normal D/A converter
    applications, AA88348AP is also available for electronic volume and instead of
    potentiometers for adjustment due to its high stability on the capacitive load.
    16 pins TSSOP package type are available for AA88348AP. Its operational temper- nature
    range is specified over –20¡É to 85¡É.


¡á Features

    - 12 bits serial data input(3 wire serial data transfer method, DI, CLK, LD)
    - R-2R resistor ladder used for D/A conversion
    - 8 channels with 8-bit resolution monotonic D/A converted
    - 8 channel buffer operational amplifiers operating in the full voltage range
      from VCC to GND only if VDD=VCC and VSS=GND
    - Max. 10 MHz serial digital data input
    - Serial I/O for cascade application
    - Max. 1.0 mA output drive/sink current
    - Two separate power supply/ground lines for system and analog power supply
    - Single +5 V system power supply