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參數(shù)資料
| 型號： | TA2131FLG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Low Current Consumption Headphone Amplifier for Portable MD Player (With Bass Boost |
| 中文描述： | 低電流消耗為便攜式耳機放大器MD播放機（帶低音提升 |
| 文件頁數(shù)： | 12/21頁 |
| 文件大小： | 439K |
| 代理商： | TA2131FLG |
TA2131FLG
2006-04-19
12
Absolute Maximum Ratings
Characteristic
Symbol
Rating
Unit
Supply voltage
V
CC
I
o (peak)
4.5
V
Output current
100
mA
Power dissipation
P
D
(Note)
350
mW
Operating temperature
T
opr
25~75
°C
Storage temperature
T
stg
55~150
°C
Note: Derated above Ta
=
25°C in the proportion of 2.8 mW/°C.
Electrical Characteristics
(Unless specified otherwise, V
CC1
=
2.8 V, V
CC2
=
1.2 V,
R
g
=
600
, R
L
=
16
, f
=
1 kHz, Ta
=
25°C)
Characteristic
Symbol
Test Condition
Min
Typ.
Max
Unit
I
CC1
IC off (V
CC1
), SW1: b, SW2: b
0.1
5
I
CC2
IC off (V
CC2
), SW1: b, SW2: b
0.1
5
μ
A
I
CC3
Mute on (V
CC1
), SW1: a, SW2: b
0.35
0.50
mA
I
CC4
Mute on (V
CC2
), SW1: a, SW2: b
5
10
μ
A
I
CC5
No signal (V
CC1
), SW1: a, SW2: a
0.55
0.75
Quiescent supply current
I
CC6
No signal (V
CC2
), SW1: a, SW2: a
0.20
0.40
I
CC7
P
o
=
0.5 mW
+
0.5 mW output (V
CC1
)
0.6
Power supply current during
drive
I
CC8
P
o
=
0.5 mW
+
0.5 mW output (V
CC2
)
5.3
mA
Gain
G
V
V
o
=
22dBV
10
12
14
Channel balance
CB
V
o
=
22dBV
1.5
0
1.5
dB
Output power
P
o max
THD
=
10%
5
8
mW
Total harmonic distortion
THD
P
o
=
1 mW
0.1
0.3
%
Output noise voltage
V
no
R
g
=
600
, Filter: IHF-A, SW4: b
102
96
dBV
Crosstalk
CT
V
o
=
22dBV
42
48
RR1
f
r
=
100 Hz, V
r
=
20dBV
inflow to V
CC2
71
77
Ripple rejection ratio
RR2
f
r
=
100 Hz, V
r
=
20dBV
inflow to V
CC1
54
64
Mute attenuation
ATT
V
o
=
12dBV, SW2: a
→
b
90
100
dB
P
Beep sound output
voltage
VBEEP
V Beep IN
=
2 V
p-o
, SW2: b
53
48
43
dBV
BST1
V
o
=
20dBV, f
=
100 Hz,
SW3: ON
→
OPEN
1
4
7
BST2
V
o
=
30dBV, f
=
100 Hz,
SW3: ON
→
OPEN
10
13
16
Boost gain
BST3
V
o
=
50dBV, f
=
100 Hz,
SW3: ON
→
OPEN
13.5
16.5
19.5
dB
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