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參數(shù)資料
型號: TS4962MEIJT
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9
封裝: ROHS COMPLIANT, FCP-9
文件頁數(shù): 7/41頁
文件大小: 1104K
代理商: TS4962MEIJT
TS4962M
Electrical characteristics
15/41
Table 9.
VCC = +2.4V, GND = 0V, VIC =2.5V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
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
0.48
0.65
0.3
0.38
W
THD + N
Total harmonic
distortion + noise
Pout = 200mWRMS, G = 6dB, 20Hz < F< 20kHz
RL =8Ω + 15H, BW < 30kHz
1
%
Efficiency Efficiency
Pout =0.38WRMS, RL =4Ω +≥ 15H
Pout =0.25WRMS, RL =8Ω+≥ 15H
77
86
%
CMRR
Common mode
rejection ratio
F = 217Hz, RL =8Ω, G= 6dB,
ΔVicm = 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
250
kHz
SNR
Signal to noise ratio
A Weighting, Pout = 1.2W, RL =8Ω
80
dB
tWU
Wake-up time
5
ms
tSTBY
Standby time
5
ms
VN
Output voltage noise
F = 20Hz to 20kHz, G = 6dB
Unweighted RL =4Ω
A-weighted RL =4Ω
85
60
μVRMS
Unweighted RL =8Ω
A-weighted RL =8Ω
86
62
Unweighted RL =4Ω + 15H
A-weighted RL =4Ω + 15H
76
56
Unweighted RL =4Ω + 30H
A-weighted RL =4Ω + 30H
82
60
Unweighted RL =8Ω + 30H
A-weighted RL =8Ω + 30H
67
53
Unweighted RL =4Ω + Filter
A-weighted RL =4Ω + Filter
78
57
Unweighted RL =4Ω + Filter
A-weighted RL =4Ω + Filter
74
54
1.
Standby mode is active when VSTBY is tied to GND.
273k
Ω
R
in
-----------------
300k
Ω
R
in
-----------------
327k
Ω
R
in
-----------------
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