MP7680 查看數據表（PDF） - Exar Corporation
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MP7680 Datasheet PDF : 12 Pages
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MP7680
+15 V
2
+10 V 6
REF01
VREFA
+10 V
7
10k
10k
14
4
5k
+
10 V
VREFB
5k
4
+
VREFC
5V
27
REF02
+5 V 6
2
+15 V
10k 10k
34
+5 V
VREFD
DAC A
DAC B
DAC C
DAC D
RFBA 8
IOUT1A 9
IOUT2A 10 +
RFBB
13
IOUT1B 12
IOUT2B 11 +
RFBC
28
IOUT1C 29
IOUT2C 30 +
RFBD
33
IOUT1D 32
IOUT2D 31 +
VOUTA
0 V to -10 V
VOUTB
0 V to +10 V
VOUTC
0 V to +5 V
VOUTD
0 V to -5 V
Figure 10. Digitally Programmable Quad Voltage Output + 10 V, + 5 V
Left
Channel
Input
+
+
Right
Channel
Input
RFBA
DAC A
RFBB
DAC B
RFBC
DAC C
RFBD
DAC D
RA
+
+
RD +
+
Left
Channel
Output
(+10 V MAX)
+ 0.6 V
+5 V
10k 1.2 V
10k
Right
Channel
Output
(+10 V MAX)
MP5010
Matched Pairs:
RFBA to RA
RFBD to RD
DAC A
DAC B
DAC C
DAC D
+
VOUTA
33k
10k
+
VOUTB
33k
10k
+
VOUTC
33k
10k
+
VOUTD
33k
10k
Figure 11. “Clickless” Audio Attenuator/Amplifier
Figure 12. Quad DAC for Single +5 V Supply
Rev. 3.10
11
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