參數(shù)資料
型號(hào): CXD2719Q
廠商: Sony Corporation
英文描述: Single-Chip Dolby Pro Logic Surround Decoder(單片杜比環(huán)繞邏輯譯碼器)
中文描述: 單片杜比定向邏輯環(huán)繞聲解碼器(單片杜比環(huán)繞邏輯譯碼器)
文件頁(yè)數(shù): 11/58頁(yè)
文件大小: 450K
代理商: CXD2719Q
– 11 –
CXD2719Q
2-2. When Pro Logic mode is off
Unless otherwise specified, the measurement conditions are as given below.
Digital data = Full scale (0dBFS)
f
IN
= 1kHz
Channels
L, R
C, S
L, R
C, S
L, R
C, S
L, R
C, S
(all)
Min.
Typ.
100
91
0.03
0.007
0.007
0.01
87
83
2.0
Max.
Unit
dB
%
dB
Vrms
Item
S/N ratio
THD + N
41
Dynamic range
42
Output level
43
Measurement conditions
EIAJ
(with "A" weighting filter)
EIAJ (0dB)
EIAJ (–3dB)
EIAJ (–60dB)
41
See Graphs 2a and 2b.
42
THD + N during –60dB input
43
The output level depends on supply voltage AVDn as shown in (Formula 3) below.
Output level [Vrms] = 1.9 [Vrms]
×
(Formula 3)
Supply voltage AVDn [V]
5.0 [V]
–60
–50
–40
Digital input level [dB]
–30
–20
–10
0
0.001
0.01
0.1
1
10
Graph 2b. C, S Channel Characteristics
T
0dB = Full scale
fin = 1kHz
–60
–50
–40
Digital input level [dB]
–30
–20
–10
0
0.001
0.01
0.1
1
10
Graph 2a. L, R Channel Characteristics
T
0dB = Full scale
fin = 1kHz
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