cxa2511aq Sony Electronics, cxa2511aq Datasheet - Page 18
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cxa2511aq
Manufacturer Part Number
cxa2511aq
Description
Dolby B-c Type Noise Reduction System With Playback Equalizer Amplifier
Manufacturer
Sony Electronics
Datasheet
1.CXA2511AQ.pdf
(21 pages)
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Example of Representative Characteristics
Playback equalizer amplifier frequency response
12
10
20
19
18
60
50
40
30
8
6
4
2
0
Current consumption vs. Supply voltage
V
Output level of –25dBm constant
Ta = 25°C
V
0dB = Dolby Level
Ta = 25°C
B type decode boost characteristics
CC
CC
7.0
= 8.0V
= 8.0V
100
100
Supply voltage [V]
8.0
Frequency [Hz]
Frequency [Hz]
1k
1k
9.0
No input signal
NR OFF, MS ON
10.0
Ta = 25°C
10k
70µs
120µs
–40dB
–30dB
–20dB
–10dB
10k
0dB
11.0
– 18 –
Fig. 7. Measurement circuit of playback equalizer
20
16
12
–4
8
4
0
amplifier frequency response
47µ
V
0dB = Dolby Level
Ta = 25°C
C type decode boost characteristics
PBREF
CC
PBFIN1
= 8.0V
100
680
PBFB1
PBREF
Frequency [Hz]
270
0.01µ
1k
300k
0dB
PBEQ1
18k
70µs
12k
10k
–60dB
–50dB
–40dB
–30dB
–20dB
–10dB
PBOUT1
CXA2511AQ
2.2µ