CXA2069Q
Measurement point
V
10µ
50
µcon
51
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
10µ
10µ
10µ
10k
10k
10k
52
53
54
55
56
57
58
59
60
61
62
63
64
32
LOUT1
VOUT1
ADR
RV5
1µ
600
75
31
30
29
28
27
26
25
24
23
22
21
20
0.47µ
1µ
ROUT1
TRAP1
YOUT1
VGND
COUT1
LV6
V5
LV5
S-4
S2-4
C4
600
10µ
10k
10µ
1µ
0.1µ
1µ
75
600
75
10k
600
75
CXA2069Q
RV4
Y4
0.47µ
1µ
0.47µ
1µ
V6
600
75
600
RV6
LV4
V4
1µ
0.47µ
600
75
LTV
0.47µ
TV
S-3
1µ
600
RTV
S2-3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A f=100Hz, 0.3Vp-p signal is applied to Vcc and the output signals from Pins 38, 40, 43, 45, 52 and 54 are measured.
Fig. 3 Audio system (ripple rejection ratio) measurement circuit
Measurement point
V
22µ
10µ
50
µcon
51
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
10µ
10µ
10µ
10k
10k
10k
52
53
54
55
56
57
58
59
60
61
62
63
64
32
LOUT1
VOUT1
ADR
RV5
1µ
1µ
5.7k
600
600
31
30
29
28
27
26
25
24
23
22
21
20
0.47µ
75
ROUT1
TRAP1
YOUT1
VGND
COUT1
LV6
V5
LV5
S-4
S2-4
C4
5.7k
10µ
10k
10µ
0.1µ
75
75
75
10k
CXA2069Q
1µ
1µ
1µ 5.7k
0.47µ
5.7k
600
600
600
RV4
Y4
0.47µ
75
V6
1µ 5.7k
1µ 5.7k
5.7k
600
600
RV6
LV4
V4
0.47µ
LTV
0.47µ
75
TV
S-3
1µ 5.7k
600
RTV
S2-3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
V
Measurement point
Fig. 4 Audio system (output DC offset voltage) measurement circuit
—11—