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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 430K |
| 代理商： | TA2123AFG |
TA2123AFG
2004-12-01
16
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Voltage gain 1
GV1
—
24
—
Channel balance
CB
—
Vo = 22dBV
1.5
0
+1.5
Voltage gain 2
GV2
—
Vin (A) = Vin (B) = Vin (C)
Vo = 22dBV
28
30
32
dB
Output power
Po
—
VCC = 1.5V
THD (A) = THD (B) = 10%
3
6
—
mW
Total harmonic
distortion
THD
—
Po = 1mW
—
0.1
0.8
%
Output noise voltage
Vno
—
Rg = 600, SW2: b
BPF = 20Hz~20kHz
—
40
80
Vrms
Cross talk
CT3
—
Vo = 22dBV
34
43
—
Ripple rejection ratio
RR2
—
VCC = 1V, fr = 100Hz
Vr = 32dBV, BPF = 100Hz
—
70
—
Power amplifier muting
attenuation
ATT2
—
Vo = 22dBV
SW5: a→b
—
72
—
dB
Pow
er
am
p.
s
tage
Beep signal input
sensitivity
SEN
—
Vo = 62dBV, SW5: OPEN
0.7
1.3
2.2
App
Voltage gain 3
GV3
—
f = 40Hz, Vin = 64dBV
SW7: Open
Monitor: C
AMP. GND
41
44
47
Voltage gain 4
GV4
—
f = 40Hz, Vin = 47dBV
SW7: Open
Monitor: C
AMP. GND
27.5
30.5
33.5
dB
Maximum output
voltage
Vom2
—
f = 40Hz, THD = 1%
SW3: b, SW7: Open
—
86
—
mVrms
Muting attenuation
ATT3
—
f = 40Hz, Vo = 32dBV
SW7: Open→on
—
53
—
dB
Boo
st
am
p.
st
age
Equalizer on resistance
R2
—
IL = 100A, SW7: Open
—
1.9
—
k
Ripple filter output voltage
VRF OUT
—
VCC = 1V, IRF = 20mA
0.89
0.92
—
V
Ripple filter ripple rejection
ratio
RR3
—
VCC = 1V, IRF = 20mA
BPF = 100Hz, fr = 100Hz
Vr = 32dBV
35
42
—
dB
Power amplifier on current
I41
—
5
—
A
Power amplifier off voltage
V41
—
0
—
0.3
V
Power on curent
I42
—
5
—
A
Power off voltage
V42
—
0
—
0.3
V
Boost on voltage
V43 (ON)
—
0.8
—
0.95
V
Boost off voltage
V43 (OFF)
—
VCC = 0.95V
0
—
0.3
V
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