CXA1101 SONY [Sony Corporation], CXA1101 Datasheet - Page 10
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CXA1101
Manufacturer Part Number
CXA1101
Description
DOLBY B TYPE NOISE REDUCTION SYSTEM
Manufacturer
SONY [Sony Corporation]
Datasheet
1.CXA1101.pdf
(15 pages)
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Notes on Applications
1) Power supply
The CXA1100 Series is basically designed to operate on single ended supply. The split supply operation is
also possible, however, V
ripple rejection ratio of these devices is generally good for Vcc supply (single ended supply and split
supply), however, that for V
for the side chain filter are connected to pin 15 (V
–10
–20
–30
–40
–50
–60
–70
–10
–20
–30
–40
–50
–60
–70
Encode Mode
V
V
V
100
100
CC
CC
CC,
= 12V Single Supply
Rejection
V
EE
200
200
Ripple Rejection Ratio-1
Ripple Rejection Ratio-3
= ±6V
C1 (Pin4) = 100µF
Frequency [Hz]
Frequency [Hz]
500
500
(CXA1101)
(CXA1101)
EE
EE
1k
1k
(negative) supply should provide low noise and ripple characteristics. The
supply is not so good in the NR on mode because the integrated capacitors
2k
NR on
2k
NR off
NR off
C1 (Pin4)
= 470µF
NR on
Encode
Decode
5k
5k
10k
10k
– 10 –
EE
on split supply).
–10
–20
–30
–40
–50
–60
–70
–10
–20
–30
–40
–50
–60
0
Decode Mode
V
100
100
CC
V
V
EE
CC,
= 12V Single Supply
Rejection
200
200
V
Ripple Rejection Ratio-2
Ripple Rejection Ratio-4
EE
C1 (Pin4) = 100µF
CXA1100/CXA1101/CXA1102/CXA1163
= ±6V
Frequency [Hz]
Frequency [Hz]
500
500
(CXA1101)
(CXA1101)
NR off
C1 (Pin4) = 470µF
NR on
1k
1k
2k
2k
Encode
Decode
5k
5k
NR off
NR on
10k
10k