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參數資料
型號: TS4961TIQT
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC16
封裝: 3 X 3 MM, ROHS COMPLIANT, QFN-16
文件頁數: 6/49頁
文件大小: 1351K
代理商: TS4961TIQT
Electrical characteristics
TS4961T
14/49
Table 11.
Electrical characteristics at VCC +2.4 V with GND = 0 V, Vicm = 1.2 V,
Tamb = 25° C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply current
No input signal, no load
1.7
mA
ISTBY
Standby current (1)
No input signal, VSTBY = GND
10
nA
Voo
Output offset voltage
No input signal, RL = 8Ω
3mV
Pout
Output power, G=6dB
THD = 1% Max, f = 1kHz, RL = 4Ω
THD = 10% Max, f = 1kHz, RL = 4Ω
THD = 1% Max, f = 1kHz, RL = 8Ω
THD = 10% Max, f = 1kHz, RL = 8Ω
0.42
0.61
0.3
0.38
W
THD + N
Total harmonic distortion + noise
Pout = 150 mWRMS, G = 6dB, 20Hz < f < 20kHz
RL = 8Ω + 15H, BW < 30kHz
1%
Efficiency
Pout = 0.38 WRMS, RL = 4Ω +≥ 15H
Pout = 0.25 WRMS, RL = 8Ω+≥ 15H
77
86
%
CMRR
Common mode rejection ratio
f = 217Hz, RL = 8Ω, G = 6dB, ΔVic = 200mVpp
54
dB
Gain
Gain value (Rin in kΩ)V/V
RSTBY
Internal resistance from standby to GND
273
300
327
k
Ω
FPWM
Pulse width modulator base frequency
280
kHz
SNR
Signal to noise ratio (A-weighting)
Pout = 0.25W, RL = 8Ω
80
dB
tWU
Wake-up time
5
ms
tSTBY
Standby time
5
ms
273k
Ω
R
in
-----------------
300k
Ω
R
in
-----------------
327k
Ω
R
in
-----------------
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