參數(shù)資料
型號: CXD2728Q
廠商: Sony Corporation
英文描述: Single-Chip Dolby Pro Logic Surround Decoder(單片杜比環(huán)繞Pro邏輯解碼器)
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)繞專業(yè)邏輯解碼器)
文件頁數(shù): 11/61頁
文件大?。?/td> 467K
代理商: CXD2728Q
– 11 –
CXD2728Q
2-2. When Pro Logic mode is off
Unless otherwise specified, the measurement conditions are as given below.
Input data = 0dBFS (= 0dB), 1kHz, 16 bits
Sampling frequency = 44.1kHz
Measured bands = 10Hz to 20kHz
Channels
L, R
C
S
L, R
C, S
L, R
C
S
(all)
Min.
Typ.
98
97
95
0.005
0.003
97
96
94
2.01
Max.
Unit
dB
%
dB
Vrms
Item
S/N ratio
(THD + N)/S
1
Dynamic range
2
Output level
3
Measurement conditions
"A" weighting filter
"A" weighting filter
1
See Graphs 2 and 3.
2
S/(THD + N) during –60dB input
3
The output level depends on the supply voltage (AVDn) as shown in the formula below.
Output level [Vrms] = 2.01 [Vrms]
×
AVDn [V]
3.3 [V]
–60
–50
–40
GEN VOLT [dBFS]
–30
–20
–10
0
0.001
0.002
T
0.005
0.010
0.020
0.050
0.100
0.200
0.500
1
2
5
–60
–50
–40
GEN VOLT [dBFS]
–30
–20
–10
0
0.001
0.002
T
0.005
0.010
0.020
0.050
0.100
0.200
0.500
1
2
5
Graph 2. DAC Characteristics (L, Rch)
Graph 3. DAC Characteristics (C, Sch)
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