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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)： | 7/20頁 |
| 文件大小： | 430K |
| 代理商： | TA2123AFG |
TA2123AFG
2004-12-01
15
Electrical Characteristics
Unless Otherwise Specified: VCC = 1.3V, Ta = 25°C, f = 1kHz, SW1: b, SW2: b, SW3: a,
SW4: OPEN SW5: a, SW6: a, SW7: ON, SW8: a / b, SW9: b,
SW10: ON
Preamplifier: Normal Mode, Rg = 2.2k, RL = 10k, SW1: a
Power Amplifier: Rg 600, RL = 32, SW2: a
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Quiescent supply current 1
ICCQ1
—
OCL mode, PRE + PW
—
2.2
4.0
Quiescent supply current 2
ICCQ2
—
OCL mode, PRE: OFF
SW9: a
—
1.7
3.0
Quiescent supply current 3
ICCQ3
—
Coupling mode
PRE + PW, SW4: ON
—
1.5
2.7
Quiescent supply current 4
ICCQ4
—
Coupling mode
PRE: OFF, SW4: ON
SW9: a
—
1.0
1.8
mA
Open loop voltage gain
GVO
—
Vo = 22dBV
NF resistor (150): Short
65
80
—
Closed loop voltage gain
GVC
—
Vo = 22dBV
—
35
—
dB
Maximum output voltage
Vom1
—
THD = 1%
160
250
—
mVrms
Total harmonic distortion
THD1
—
VCC = 1V, Vo = 22dBV
—
0.08
0.3
%
Equivalent input noise
voltage
Vni
—
Rg = 2.2k
BPF: 20Hz~20kHz
NAB (GV = 35dB, f = 1kHz)
SW1: b
—
1.7
2.7
Vrms
Cross talk (CH
A / CHB)
CT1
—
60
—
Cross talk
(forward / reverse)
CT2
—
Vo = 22dBV
—
62
—
Ripple rejection ratio
RR1
—
fr = 100Hz, Vr = 32dBV
BPF = 100Hz
—
54
—
Preamplifier muting
attenuation
ATT1
—
Vo = 22dBV
SW9: b→a
—
84
—
dB
P
ream
p.
s
tag
e
Driver on resistance
R1
—
IL = 100A, SW10: OPEN
—
90
—
AMS sensitivity 1
AMS1
—
SW5: b
58.3
56.3
54.3
AMS sensitivity 2
AMS2
—
SW5: a
69.7
67.7
65.7
dBV
Forward mode on voltage
V44
—
0
—
0.3
V
Reverse mode on current
I44
—
5
—
A
Preamplifier on voltage
V45
—
0
—
0.3
V
Preamplifier off current
I45
—
5
—
A
Metal mode on voltage
V46 (M)
—
0.8
—
0.95
V
Normal mode on voltage
V46 (N)
—
VCC = 0.95V
0
—
0.3
V
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