PT8214 Datasheet, PDF (2/15 Pages) Princeton Technology Corp – 8-Bit D/A Converter IC

8-Bit D/A Converter IC
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PT8214
BLOCK DIAGRAM
DI
CLK
14-Bit Shift Register *1
D13 D12 D11 D10 D9 D8 D7 D6
D5 D4 D3 D2 D1 D0
Channel Decoder
1
36
1
8-Bit
R-2R Type 8-Bit
+
Register
D/A Converter
DO
STB
VDD1
AO1
VCC
GND
24 _8-Bit
R-2R Type 8-Bit
+
Register
D/A Converter
25 _8-Bit
R-2R Type 8-Bit
+
Register
D/A Converter
30 _8-Bit
R-2R Type 8-Bit
+
Register
D/A Converter
AO24
VSS1
VDD2
AO25
AO30
31
8-Bit
R-2R Type 8-Bit
+
Register
D/A Converter
36
8-Bit
R-2R Type 8-Bit
+
Register
D/A Converter
Note: *1=14-Bit Shift Register with an MSB-First format.
PT8214 V1.0
-2-
AO31
AO36
VSS2
January, 2006