參數(shù)資料
型號: TC94A04AFD
廠商: Toshiba Corporation
英文描述: 1 CHIP AUDIO DIGITAL PROCESSOR
中文描述: 1芯片音頻數(shù)字處理器
文件頁數(shù): 33/42頁
文件大小: 565K
代理商: TC94A04AFD
TC94A04AF/AFD
2001-11-15
33
AC Characteristics
AD Converter: LIN1 to LIN4, RIN1 to RIN4 Pins
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Maximum input signal level
V
in
Input level that ADC output at
full-scale digital output
(Note 15)
1.27
1.33
Vrms
Input impedance
Z
in
Each of LIN1 to LIN4, RIN1 to
RIN4 pins
19
k
S/N
a1
A-Weight,
X’tal: 36.864 MHz
(Note 15)
87
95
dB
S/(N
+
D) ratio
S/N
a2
CCIR-ARM,
X’tal: 36.864 MHz
(Note 15)
83
91
dB
THD
+
N
THD
a
20 kHz LPF,
X’tal: 36.864 MHz
(Note 15)
82
70
dB
Cross-talk
CT
a
20 kHz LPF,
Lch
Rch/Rch
Lch,
X’tal: 36.864 MHz
(Note 15)
80
72
dB
Dynamic range
DR
a
A-Weight,
X’tal: 36.864 MHz
(Note 15)
83
90
dB
Note 15: One input pin selected of four selector of each channels.
Selector Output: OUTL, OUTR Pins
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Output signal level
V
out
1 kHz, 1.122 Vrms input
(Note 15)
0.9
1.0
1.12
Vrms
Output impedance
Z
out
OUTL/OUTR pins
0.5
k
S/(N
+
D) ratio
S/N
s
A-Weight
93
104
dB
THD
+
N
THD
s
20 kHz LPF
94
80
dB
Cross-talk
CT
s
OUTL
OUTR/
OUTR
OUTL
88
80
dB
Note 15: One input pin selected of four selectors of each channels.
DA Converter
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Output signal level
A
o
Output voltage at full-scale
digital input
1.22
1.27
1.37
Vrms
S/N ratio
S/N
d
A-Weight,
X’tal: 36.864 MHz
90
98
dB
THD
+
N
THD
d
20 kHz LPF,
X’tal: 36.864 MHz
86
75
dB
Cross-talk
CT
d
20 kHz LPF,
X’tal: 36.864 MHz
95
83
dB
Dynamic range
DR
d
A-Weight,
X’tal: 36.864 MHz
87
95
dB
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