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MAS9188 参数 Datasheet PDF下载

MAS9188图片预览
型号: MAS9188
PDF下载: 下载PDF文件 查看货源
内容描述: 12 × 8位D到A转换器 [12 】 8-Bit D to A Converter]
分类和应用: 转换器
文件页数/大小: 10 页 / 195 K
品牌: MAS [ MICRO ANALOG SYSTEMS ]
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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)