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參數資料
| 型號： | TA2120FNG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Low Consumption Current Stereo Headphone Power Amplifier for Portable CD (3V Use) |
| 中文描述： | 低功耗電流立體聲耳機功率放大器便攜式CD（3V的使用） |
| 文件頁數： | 9/17頁 |
| 文件大小： | 256K |
| 代理商： | TA2120FNG |
TA2120FNG
2006-04-19
9
Absolute Maximum Ratings
(Ta
=
25°C)
Characteristics
Symbol
Rating
Unit
Supply voltage
V
CC
I
o (peak)
4.5
V
Output Current
100
mA
Power dissipation
P
D
(Note)
550
mW
Operating temperature
T
opr
25~75
°C
Storage temperature
T
stg
55~150
°C
Note: Derated above 25°C in the proportion of 4.4 mW/°C.
Electrical Characteristics
(Unless otherwise specified: V
CC
=
2.4 V, Rg
=
600
, R
L
=
16
, f
=
1 kHz, Ta
=
25°C, SW1: a,
SW2: a, SW3: OPEN, SW4: a, SW5: a, SW6: OPEN, SW7: ON, SW8: ON)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
I
CC1
IC OFF (C-Couple)
SW1: b, SW2: b, SW3: ON
0.1
5
I
CC2
IC OFF (OCL)
SW1: b, SW2: b
0.1
5
μ
A
I
CC3
MUTE ON (C-Couple)
SW2: b, SW3: ON
1
2
I
CC4
MUTE ON (OCL)
SW2: b
1.7
3
I
CC5
No signal (C-Couple)
SW3: ON
1.9
3.5
Quiescent supply current
I
CC6
No signal (OCL)
2.6
4.5
mA
I
CC7
P
o
=
0.5 mW
+
0.5 mW (C-CUP),
SW3: ON
6.6
Consumption supply current
I
CC8
P
o
=
0.5 mW
+
0.5 mW (OCL)
12.1
mA
Voltage gain (1)
G
V1
V
o
=
22dBV, SW6: GND
5.5
8.5
10.5
dB
Voltage gain (2)
G
V2
V
o
=
22dBV
14
16
18
dB
Output power
P
omax
THD
=
10%, V
CC
=
2.0 V
5
8
mW
Total harmonic distortion
THD
V
o
=
12.2dBV
0.1
0.5
%
Output noise voltage
V
no
Rg
=
600
, Filter: IHF- A, SW5: b
98
92
dBV
Crosstalk
CT
V
o
=
12.2dBV
24
40
dB
Ripple rejection ratio
RR
V
CC
=
1.8V, f
r
=
100 Hz, V
r
=
20dBV
69
75
dB
Mute attenuation
MUTE
V
o
=
12.2dBv, SW2: b
80
90
dB
P
Beep voltage
VBEEP
V Beep IN
=
0dBV, SW2: b
56
51
46
dBV
Boost gain
Bst
V
o
=
30dBV, f
=
100 Hz,
SW7: ON
→
OPEN
9
11.5
14
dB
Output limiter level
V
ALC
V
in
=
20dBV, SW8: OPEN
41.5
39.5
37.5
dBV
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