MB88347
Figure 5 Configuration of R-2R Resistor Ladder D/A Converter with Operational Amplifier Output Biffer
VDD
SW
VSS
VDD
D0
D1
D2
D
a
t
D3
a
L
a D4
t
c
h
D5
D6
D7
2R
2R
R
2R
R
2R
2R
R
2R
R
2R
R
Internal Bias Generator *
(Common to ch. #1-ch. #8)
2R
R
R
2R
+
AOx
–
Operational Amplifier Output Buffer*
* : Powered/grounded by the VCC and GND pins.
7