 English |
|
|
|
|
|
|
|
| TS4962 Datasheet, PDF (8/22 Pages) STMicroelectronics – 3W Filter-free Class D Audio Power Amplifier | |||
| |||
| ◁ |
TS4962
Electrical Characteristics
Table 7. VCC = +2.5V, GND = 0V, VICM = 1.25V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
ICC
ISTANDBY
Voo
Po
THD + N
Efficiency
PSRR
CMRR
Supply Current
No input signal, no load
Standby Current 1
No input signal, VSTBY = GND
Output Offset Voltage
No input signal, RL = 8â¦
Output Power, G=6dB
THD = 1% Max, f = 1kHz, RL = 4â¦
THD = 10% Max, f = 1kHz, RL = 4â¦
THD = 1% Max, f = 1kHz, RL = 8â¦
THD = 10% Max, f = 1kHz, RL = 8â¦
Total Harmonic Distortion + Noise
Po = 200 mWRMS, G = 6dB, 20Hz < f < 20kHz,
RL = 8⦠+ 15µH, BW < 30kHz
Po = 200mWRMS, G = 6dB, f = 1kHz,
RL = 8⦠+ 15µH, BW < 30kHz
Efficiency
Po = 0.47 WRMS, RL = 4⦠+ ⥠15µH
Po = 0.3 WRMS, RL = 8â¦+ ⥠15µH
Power Supply Rejection Ratio with inputs grounded 2
f = 217Hz, RL = 8â¦, G=6dB, Vripple = 200mVpp
Common Mode Rejection Ratio
f = 217Hz, RL = 8â¦, G = 6dB, âVic = 200mVpp
Gain Gain value (Rin in kâ¦)
RSTDBY
FPWM
SNR
TWU
TSTB
VN
Internal Resistance From Standby to GND
Pulse Width Modulator Base Frequency
Signal to Noise ratio (A Weighting), Po = 0.4W, RL = 8â¦
Wake-up time
Standby time
Output Voltage Noise f = 20Hz to 20kHz, G = 6dB
Unweighted RL = 4â¦
A weighted RL = 4â¦
Unweighted RL = 8â¦
A weighted RL = 8â¦
Unweighted RL = 4⦠+ 15µH
A weighted RL = 4⦠+ 15µH
Unweighted RL = 4⦠+ 30µH
A weighted RL = 4⦠+ 30µH
Unweighted RL = 8⦠+ 30µH
A weighted RL = 8⦠+ 30µH
Unweighted RL = 4⦠+ Filter
A weighted RL = 4⦠+ Filter
Unweighted RL = 4⦠+ Filter
A weighted RL = 4⦠+ Filter
Min.
Typ.
1.7
Max.
2.4
10 1000
3
25
0.52
0.71
0.33
0.42
1
0.19
78
88
60
54
2----7-R--3--i--kn---â¦---- -3---0-R--0--i--kn---â¦--- 3----2-R--7--i--kn---â¦---
273 300 327
180 250 320
80
5
10
5
10
85
60
86
62
76
56
82
60
67
53
78
57
74
54
78
59
1) Standby mode is actived when Vstdby is tied to GND.
2) Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz.
Unit
mA
nA
mV
W
%
%
dB
dB
V/V
kâ¦
kHz
dB
ms
ms
µVRMS
8/22
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese