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參數(shù)資料
| 型號： | TS4962EIJT |
| 廠商： | 意法半導體 |
| 英文描述： | 3W Filter-free Class D Audio Power Amplifier |
| 中文描述： | 3W無濾波器D類音頻功率放大器 |
| 文件頁數(shù)： | 7/22頁 |
| 文件大?。?/td> | 1275K |
| 代理商： | TS4962EIJT |
Electrical Characteristics
TS4962
7/22
Table 6.
V
CC
= +3.0V, GND = 0V, V
ICM
= 1.5V, T
amb
= 25°C (unless otherwise specified)
1
Symbol
Parameter
Min.
Typ.
Max.
Unit
I
CC
Supply Current
No input signal, no load
Standby Current
2
No input signal, V
STBY
= GND
Output Offset Voltage
No input signal, R
L
= 8
Output Power, G=6dB
THD = 1% Max, f = 1kHz, R
L
= 4
THD = 10% Max, f = 1kHz, R
L
= 4
THD = 1% Max, f = 1kHz, R
L
= 8
THD = 10% Max, f = 1kHz, R
L
= 8
Total Harmonic Distortion + Noise
Po = 350 mW
RMS
, G = 6dB, 20Hz < f < 20kHz,
R
L
= 8
+ 15μH, BW < 30kHz
Po = 350mW
RMS
, G = 6dB, f = 1kHz,
R
L
= 8
+ 15μH, BW < 30kHz
Efficiency
Po = 0.7 W
RMS
, R
L
= 4
+ ≥
15μH
Po = 0.45 W
RMS
, R
L
= 8
+ ≥
15μH
Power Supply Rejection Ratio with inputs grounded
3
f = 217Hz, R
L
= 8
,
G=6dB
,
Vripple = 200mV
pp
Common Mode Rejection Ratio, f = 217Hz, R
L
= 8
,
G = 6dB,
Vic
= 200mV
pp
1.9
2.7
mA
I
STANDBY
10
1000
nA
Voo
3
25
mV
Po
0.75
1
0.5
0.6
W
THD + N
1
0.21
%
Efficiency
78
88
%
PSRR
60
dB
CMRR
54
dB
Gain
Gain value (R
in
in k
)
V/V
R
STDBY
F
PWM
SNR
T
WU
T
STB
Internal Resistance From Standby to GND
Pulse Width Modulator Base Frequency
Signal to Noise ratio (A Weighting), Po = 0.4W, R
L
= 8
Wake-up time
Standby time
Output Voltage Noise f = 20Hz to 20kHz, G = 6dB
Unweighted R
L
= 4
A weighted R
L
= 4
Unweighted R
L
= 8
A weighted R
L
= 8
Unweighted R
L
= 4
+ 15μH
A weighted R
L
= 4
+ 15μH
Unweighted R
L
= 4
+ 30μH
A weighted R
L
= 4
+ 30μH
Unweighted R
L
= 8
+ 30μH
A weighted R
L
= 8
+ 30μH
Unweighted R
L
= 4
+ Filter
A weighted R
L
= 4
+ Filter
Unweighted R
L
= 4
+ Filter
A weighted R
L
= 4
+ Filter
273
180
300
250
82
5
5
327
320
k
kHz
dB
ms
ms
10
10
V
N
83
57
83
61
81
58
87
62
77
56
85
63
80
57
85
61
μ
V
RMS
1) All electrical values are guaranted with correlation measurements at 2.5V and 5V.
2) Standby mode is actived when Vstdby is tied to GND.
3)
Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz.
Rin
273k
3Rin
3Rin
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相關代理商/技術參數(shù) |
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|---|---|
| TS4962EKIJT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3W Filter-free Class D Audio Power Amplifier |
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