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參數(shù)資料
| 型號(hào)： | TA2123AFG |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.006 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封裝： | 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件頁(yè)數(shù)： | 15/20頁(yè) |
| 文件大?。?/td> | 430K |
| 代理商： | TA2123AFG |
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TA2123AFG
2004-12-01
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”
VREF 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
VCC
—
1.3
24
RF IN
Ripple filter terminal
VCC
RF OUT
+
46
.5
k
24
19
18
17
1.23
20
OUTA
22
OUTB
Output of power amplifier
0.56
26
PW NFB
29
PW NFA
NF of power amplifier
0.73
27
PW INB
28
PW INA
Input of power amplifier
(this terminal also has function of
an ADD amplifier input.)
to ADD amplifier
VREF OUT
30k
2k
20k
28
29
20
0.73
21
OUTC
Output of center amplifier
0.56
32
PW INC
Input of center amplifier
VREF OUT
30k
2k
20k
32
21
0.73
23
PW GND
Power GND for power drive stage
—
0
25
EQB
30
EQA
Equalizer circuit (this circuit
synchronizes with the BST SW)
·
Input impedance
: 1.9 (typ.)
1.8k
100k
30
—
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