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參數(shù)資料
| 型號(hào)： | TS4962EIJT |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 音頻／視頻放大 |
| 英文描述： | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封裝： | LEAD FREE, FLIP CHIP, 9 PIN |
| 文件頁(yè)數(shù)： | 4/37頁(yè) |
| 文件大小： | 834K |
| 代理商： | TS4962EIJT |
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Electrical Characteristics
TS4962
12/37
Table 8.
Vcc = +2.5V, GND = 0V, VICM = 1.25V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
I
CC
Supply Current
No input signal, no load
1.7
2.4
mA
I
STANDBY
Standby Current (1)
No input signal, VSTBY = GND
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
325
mV
Po
Output Power, G=6dB
THD = 1% Max, f = 1kHz, RL = 4
THD = 10% Max, f = 1kHz, RL = 4
THD = 1% Max, f = 1kHz, RL = 8
THD = 10% Max, f = 1kHz, RL = 8
0.52
0.71
0.33
0.42
W
THD + N
Total Harmonic Distortion + Noise
Po = 200 mWRMS, G = 6dB, 20Hz < f < 20kHz,
RL = 8 + 15H, BW < 30kHz
Po = 200mWRMS, G = 6dB, f = 1kHz,
RL = 8 + 15H, BW < 30kHz
1
0.19
%
Efficiency
Po = 0.47 WRMS, RL = 4 +≥ 15H
Po = 0.3 WRMS, RL = 8+≥ 15H
78
88
%
PSRR
Power Supply Rejection Ratio with inputs grounded (2)
f = 217Hz, RL = 8, G=6dB, Vripple = 200mVpp
60
dB
CMRR
Common Mode Rejection Ratio
f = 217Hz, RL = 8, G = 6dB, Vic = 200mVpp
54
dB
Gain
Gain value (Rin in k)
V/V
RSTDBY
Internal Resistance From Standby to GND
273
300
327
k
FPWM
Pulse Width Modulator Base Frequency
180
250
320
kHz
SNR
Signal to Noise ratio (A Weighting), Po = 0.4W, RL = 8
80
dB
TWU
Wake-up time
5
10
ms
273k
R
in
-----------------
300k
R
in
-----------------
327k
R
in
-----------------
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