參數(shù)資料
型號: TB2173FTG
廠商: Toshiba Corporation
英文描述: 2-Source Stereo Headphone Amplifier
中文描述: 2源立體聲耳機(jī)放大器
文件頁數(shù): 13/19頁
文件大?。?/td> 254K
代理商: TB2173FTG
TB2173FTG
2006-04-19
13
Electrical Characteristics
(V
DD
=
V
CC1
=
2.1 V, V
CC2
=
1.2 V, R
g
=
600
, R
L
=
16
, f
=
1 kHz, OCL mode, Ta
=
25°C,
SW3: b, SW4: a, unless otherwise specified)
Music mode
Input: IN1, Output: OUT, SW1: a
Tuner mode
Input: PRE IN, Output: OUT, SW2: a
Electronic volume Input: IN2, Output: VOL OUT
Characteristics
Symbol
Test Condition
Min
Typ.
Max
Unit
I
CCQ1
Standby (V
DD
), SW4
:
b
5
μ
A
I
CCQ2
Standby (V
CC1
, V
CC2
)
5
μ
A
I
CCQ3
Mute ON: Music mode (V
CC1
),
SW3
a
0.6
1.0
mA
I
CCQ4
Mute ON: Music mode (V
CC2
),
SW3
a
0.3
0.6
mA
I
CCQ5
Mute ON: Music mode (V
CC1
),
SW3
:
a
0.6
1.0
mA
I
CCQ6
Mute ON: Music mode (V
CC2
),
SW3
:
a
0.3
0.6
mA
I
CCQ7
No signal: Music mode (V
CC1
)
0.9
1.4
mA
I
CCQ8
No signal: Music mode (V
CC2
)
0.7
1.4
mA
I
CCQ9
No signal: Music mode (V
CC1
)
0.9
1.4
mA
Quiescent current
I
CCQ10
No signal: Music mode (V
CC2
)
0.8
1.6
mA
I
CCD1
0.1 mW
2ch/16
(V
CC1
)
1.0
mA
Driving current
I
CCD2
0.1 mW
2ch/16
(V
CC2
)
4.5
mA
Voltage gain
G
V1
V
o
=
20dBV
6.5
8
9.5
dB
Channel balance
CB1
V
o
=
20dBV
1.5
0
+
1.5
dB
Output power
P
o1
THD
=
10%
7
9.5
mW
Total harmonics distortion
THD1
P
o
=
1 mW
R
g
=
600
, IHF-A, SW1
:
b
0.2
0.5
%
Output noise voltage
V
no1
98
92
dBV
Interchannel crosstalk
CT1
V
o
=
20dBV
32
38
dB
Intermode crosstalk
CT2
V
o
=
20dBV, monitor: music
45
51
dB
RR1
f
r
=
100Hz, V
r
=
20dBV, injected to V
CC1
70
85
dB
Ripple rejection ratio
RR2
f
r
=
100Hz, V
r
=
20dBV, injected to V
CC2
V
o
=
20dBV, SW3
:
b
a
60
75
dB
M
Mute attenuation
ATT1
100
120
dB
Voltage gain
G
V2
V
o
=
20dBV
22.5
24
25.5
dB
Channel balance
CB2
V
o
=
20dBV
1.5
0
+
1.5
dB
Output power
P
o2
THD
=
10%
7
9.5
mW
Total harmonics distortion
THD2
P
o
=
1 mW
R
g
=
600
, IHF-A, SW2
:
b
0.2
0.5
%
Output noise voltage
V
no2
90
84
dBV
Interchannel crosstalk
CT3
V
o
=
20dBV
27
33
dB
Intermode crosstalk
CT4
V
o
=
20dBV, monitor: tuner
39
45
dB
RR3
f
r
=
100 Hz, V
r
=
20dBV, injected to V
CC1
58
73
dB
Ripple rejection ratio
RR4
f
r
=
100 Hz, V
r
=
20dBV, injected to V
CC2
43
58
dB
Mute attenuation
ATT2
V
o
=
20dBV
95
115
dB
BST1
f
=
100 Hz, V
o
=
20dBV
1.5
4.5
7.5
dB
BST2
f
=
100 Hz, V
o
=
30dBV
8.5
11.5
14.5
dB
T
Boost
BST3
f
=
100 Hz, V
o
=
50dBV
9.5
12.5
15.5
dB
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