MB88141A Datasheet, PDF (5/22 Pages) Fujitsu Component Limited. – D/A Converter for Digital Tuning (Compatible with I2C Bus)

s BLOCK DIAGRAM
SDA
SCL
CS2
CS1
CS0
MOD
I²C Bus Interface
D/A & I/O Control Logic
MB88141A
D0
D7 D0
D7
1 ch 8-bit latch
4 ch 8-bit latch
D0
D7 D0
D7
5 ch 8-bit latch 12 ch 8-bit latch
VDD1
VSS1
VCC
GND
R-2R
ladder circuit
−+
R-2R
ladder circuit
−+
AO1
AO4
R-2R
ladder circuit
−+
R-2R
ladder circuit
−+
8
VDD2
VSS2
D7/AO5
D0/AO12
5