MP7680
R
I
+15 V
FBA
8
V
+10 V
7
2
REFA
OUT1A
OUT2A
9
6
V
OUTA
+10 V
DAC
DAC
DAC
DAC
A
B
C
D
I
10
0 V to -10 V
+
+
+
+
10k
REF01
R
10k
FBB
13
12
I
I
OUT1B
OUT2B
14
10 V
V
OUTB
4
11
+
+
0 V to +10 V
V
V
REFB
5k
5k
R
FBC
28
29
REFC
5 V
I
I
OUT1C
OUT2C
4
27
V
OUTC
30
0 V to +5 V
R
FBD
REF02
10k
33
32
10k
I
I
OUT1D
OUT2D
6
34
+5 V
REFD
+5 V
2
V
OUTD
V
31
0 V to -5 V
+15 V
Figure 10. Digitally Programmable
Quad Voltage Output + 10 V, + 5 V
R
FBA
R
FBB
R
FBC
R
FBD
RA
DAC
DAC
DAC
DAC
A
B
C
D
+
+
+
+
+
Left
Channel
Output
+
V
V
DAC
DAC
DAC
DAC
A
B
C
D
OUTA
0.6 V
Left
Channel
Input
33k
10k
(+10 V MAX)
+5 V
+
+
+
+
OUTB
10k
1.2 V
33k
10k
10k
+
MP5010
RD
V
V
OUTC
Right
Channel
Output
33k
10k
Right
Channel
Input
(+10 V MAX)
OUTD
33k
10k
Matched Pairs:
RFB to RA
A
RFB to RD
D
Figure 11. “Clickless”
Audio Attenuator/Amplifier
Figure 12. Quad DAC for Single +5 V Supply
Rev. 3.10
11
EXAR [ EXAR CORPORATION ]
