MB88146A Datasheet, PDF (4/20 Pages) Fujitsu Component Limited. – D/A Converter for Digital Tuning (12-channel, 8-bit, on-chip OP amp., low-voltage)

MB88146A
s BLOCK DIAGRAM
CS
SO
SI
16-bit shift register and controller
CLK
VCCD
DF DE DD DC DB BA D9 D8 D7 D6 D5 D4 CNTL
D0
D1
DF DE DD DC DB BA D9 D8 D7 D6 D5 D4
D2
D3
I/O expander
DF DE
D5 D4
12
VDD
VCCA
DF
D8 DF
D8
8-bit latch
8-bit latch
DF
D8 DF
D8
R-2R
rudder circuit
R-2R
rudder circuit
−+
−+
DF
D8 DF
D8
8-bit latch
8-bit latch
DF
D8 DF
D8
R-2R
rudder circuit
R-2R
rudder circuit
GND
−+
−+
8
AO1
AO4
D11/AO5
D4/AO12
4