MB40D001 Datasheet, PDF (4/17 Pages) Fujitsu Component Limited. – D/A Converter for Digital Tuning

MB40D001
s BLOCK DIAGRAM
CS
SO
SI
16-bit shift resister & 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
Data bus
12
DF
D8 DF
D8
DF
D8 DF
D8
8-bit latch
8-bit latch
8-bit latch
8-bit latch
DF
D8 DF
D8
DF
D8 DF
D8
R - 2R
R - 2R
VDD
Ladder
Ladder
circuit
circuit
R - 2R
R - 2R
Ladder
Ladder
GND
circuit
circuit
VCCA
−+
−+
−+
−+
8
AO1
AO4
D11/AO5
D4/AO12
4