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參數(shù)資料
| 型號： | TA2170FTG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Low Current Consumption Headphone Amplifier (Built-in input selector) |
| 中文描述： | 低電流消耗耳機放大器（內(nèi)置輸入選擇器） |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 233K |
| 代理商： | TA2170FTG |
TA2170FTG
2006-04-19
9
Electrical Characteristics
(Unless otherwise specified, V
CC1
=
V
CC2
=
3 V, Rg
=
600
,
R
L
=
32
, f
=
1 kHz, Ta
=
25°C, SW1~SW5: a, SW6~SW8: a)
Characteristic
Symbol
Test condition
Min.
Typ.
Max.
Unit
I
CCQ1
IC OFF mode SW1~5: b
5
μ
A
I
CCQ2
1 input on mode
BUF1: ON (SW5: a, SW3/4: b)
BUF2: ON (SW4: a, SW3/5: b)
BUF3: ON (SW3: a, SW4/5: b)
0.9
1.6
I
CCQ3
2 input on mode
BUF1/2: ON (SW4/5: a, SW3: b)
BUF1/3: ON (SW3/5: a, SW4: b)
BUF2/3: ON (SW3/4: a, SW5: b)
1.0
1.8
I
CCQ4
3 input on mode
1.1
2.0
Quiescent supply current
I
CCQ5
1 input on mode
V
CC1
=
2.4 V, V
CC2
=
1.2 V
BUF1: ON (SW5: a, SW3/4: b)
BUF2: ON (SW4: a, SW3/5: b)
BUF3: ON (SW3: a, SW4/5: b)
0.9
1.6
mA
I
CC1
1 input on mode 0.1 mW/32
×
2 ch
BUF1: ON (SW5: a, SW3/4: b)
BUF2: ON (SW4: a, SW3/5: b)
BUF3: ON (SW3: a, SW4/5: b)
2.2
I
CC2
2 input on mode 0.1 mW/32
×
2 ch
BUF1/2: ON (SW4/5: a, SW3: b)
BUF1/3: ON (SW3/5: a, SW4: b)
BUF2/3: ON (SW3/4: a, SW5: b)
2.3
Power supply current during drive
I
CC3
3 input on mode 0.1 mW/32
×
2 ch
2.4
mA
G
V1
1 input on mode V
o
=
20dBV
BUF1: ON (SW5: a, SW3/4: b)
BUF2: ON (SW4: a, SW3/5: b)
BUF3: ON (SW3: a, SW4/5: b)
1.8
0.3
1.2
G
V2
2 input on mode V
o
=
20dBV
BUF1/2: ON (SW4/5: a, SW3: b)
BUF1/3: ON (SW3/5: a, SW4: b)
BUF2/3: ON (SW3/4: a, SW5: b)
1.0
0.5
2.0
Voltage gain
G
V3
3 input on mode V
o
=
20dBV
0.8
0.7
2.2
dB
Channel balance
CB
V
o
=
20dBV
1.5
0
1.5
dB
P
o1
THD
=
10%
15
20
Output power
P
o2
V
CC1
=
2.4 V, V
CC2
=
1.2 V
THD
=
10%
3
6
mW
Total harmonic distortion
THD
P
o
=
1 mW
0.1
0.3
%
Output noise voltage
V
no
R
g
=
600
, Filter: IHF-A, SW6~8: b
100
96
dBV
Cross talk
CT
V
o
=
20dBV
53
60
dB
Ripple rejection ratio
RR
f
r
=
100 Hz, V
r
=
20dBV
70
80
dB
ATT1
ALL MUTE SW: ON, V
o
=
20dBV
75
90
Muting attenuation
ATT2
MUTE SW: ON, V
o
=
20dBV
47
62
dB
PW SW ON current
I19
V
CC1
=
1.8 V, V
CC2
=
0.9 V
5
μ
A
PW SW OFF voltage
V19
V
CC1
=
1.8 V, V
CC2
=
0.9 V
0
0.3
V
MUTE SW OFF current
I
20-24
V
CC1
=
1.8 V, V
CC2
=
0.9 V
5
μ
A
MUTE SW ON voltage
V
20-24
V
CC1
=
1.8 V, V
CC2
=
0.9 V
0
0.1
V
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