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參數(shù)資料
| 型號(hào)： | TA2123AF |
| 廠商： | Toshiba Corporation |
| 英文描述： | 1.5V Stereo Headphone Amplifier |
| 中文描述： | 1.5V的立體聲耳機(jī)放大器 |
| 文件頁(yè)數(shù)： | 4/20頁(yè) |
| 文件大?。?/td> | 427K |
| 代理商： | TA2123AF |
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TA2123AF
2002-10-30
4
Terminal
No.
Name
Function
Internal Circuit
Terminal
Voltage
(V)
15
AMS DET
Input of AMS comparator circuit
0.73
40
AMS OUT
Output of AMS comparator circuit
High level: Rectangular pulse
Low level: “H”
V
REF OUT
15
40
—
16
GND
—
—
0
17
RF OUT
Output of ripple filter
Ripple filter circuit supplies
internal circuit except power
drive stage with power source
1.22
18
BASE
Base biasing terminal of transistor
for ripple filter
0.5
19
V
CC
—
1.3
24
RF IN
Ripple filter terminal
V
CC
RF OUT
+
4
24
19
18
17
1.23
20
OUT
A
22
OUT
B
Output of power amplifier
0.56
26
PW NF
B
29
PW NF
A
NF of power amplifier
0.73
27
PW IN
B
28
PW IN
A
Input of power amplifier
(this terminal also has function of
an ADD amplifier input.)
to ADD amplifier
V
REF OUT
V
REF OUT
30k
2k
20k
20k
28
29
20
0.73
21
OUT
C
Output of center amplifier
0.56
32
PW IN
C
Input of center amplifier
V
REF OUT
V
REF OUT
30k
2k
20k
32
21
0.73
23
PW GND
Power GND for power drive stage
—
0
25
EQ
B
30
EQ
A
Equalizer circuit (this circuit
synchronizes with the BST SW)
Input impedance
: 1.9
(typ.)
1.8k
1
30
—
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