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MAS9188

MAS
Part Number MAS9188
Manufacturer MAS
Description 12 X 8-Bit D to A Converter
Published Mar 26, 2007
Detailed Description www.DataSheet4U.com DA9188.002 23 February 2005 MAS9188 12 × 8-Bit D to A Converter 3-Pin Serial Data Interface Low Vo...
Datasheet PDF File MAS9188 PDF File

MAS9188
MAS9188

Overview
www.
DataSheet4U.
com DA9188.
002 23 February 2005 MAS9188 12 × 8-Bit D to A Converter 3-Pin Serial Data Interface Low Voltage Output Buffer Replaces 12 Potentiometers Individually Programmable Outputs • Fully Operational Down to 1.
2 V • • • • DESCRIPTION MAS9188 is 12-channel 8-bit DAC, designed primarily for trimmer replacement.
The device is controlled by a simple 3-line input.
The DAC is selected with the four first bits in the serial input data (SDI-pin) and the DAC output value is set according to the last 8 bits in the serial input data.
FEATURES • • • • • • Twelve 8-Bit DACs on a Single Monolithic Chip Voltage Level Output TSSOP-20 Package Single, Low +1.
2 V Supply Power-On Reset Functionally and Pin Compatible with AD8802/AD8804 APPLICATIONS • • • • High Resolution Monitors Automatic Gain Control Trimmer Replacement Portable and Battery-Operated Equipment BLOCK DIAGRAM SDI CLK 12-bit Shift Register 8-bit data 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC O12 O11 O10 O9 O8 O7 XCS Address Decoder 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC 8-BIT DAC O6 O5 O4 O3 O2 O1 VREFHVREFL VDD GND 1 (10) DA9188.
002 23 February 2005 PIN CONFIGURATION VREFH O1 O2 O3 O4 O5 O6 XSHDN XCS GND 1 2 3 4 20 19 18 17 VDD XRESET O12 O11 O10 O9 O8 O7 SDI CLK VREFH O1 O2 O3 O4 O5 O6 XSHDN XCS GND 1 2 3 4 20 19 18 17 VDD O12 O11 O10 O9 O8 O7 SDI CLK VREFL MAS9188A1 YYWW MAS9188A2 YYWW 5 6 7 8 9 10 16 15 14 13 12 11 5 6 7 8 9 10 16 15 14 13 12 11 Top view YYWW = year, week PIN DESCRIPTION Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MAS9188 A1 VREFH O1 O2 O3 O4 O5 O6 XSHDN XCS GND CLK SDI O7 O8 O9 O10 O11 O12 XRESET VDD MAS9188 A2 VREFH O1 O2 O3 O4 O5 O6 XSHDN XCS GND VREFL CLK SDI O7 O8 O9 O10 O11 O12 VDD Function DAC output reference high voltage DAC 1, address 0x0 DAC 2, address 0x1 DAC 3, address 0x2 DAC 4, address 0x3 DAC 5, address 0x4 DAC 6, address 0x5 Device analog part power-down signal (active low) Device enab...


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