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TS4962M_07 Datasheet, PDF (15/41 Pages) STMicroelectronics – 3W filter-free class D audio power amplifier
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TS4962M
Electrical characteristics
Table 9.
Symbol
VCC = +2.4V, GND = 0V, VIC = 2.5V, Tamb = 25°C (unless otherwise specified)
Parameter
Conditions
Min. Typ. Max. Unit
ICC
ISTBY
VOO
Supply current
Standby current (1)
Output offset voltage
Pout Output power
THD + N
Total harmonic
distortion + noise
Efficiency Efficiency
CMRR
Common mode
rejection ratio
No input signal, no load
No input signal, VSTBY = GND
No input signal, RL = 8Ω
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
Pout = 200mWRMS, G = 6dB, 20Hz < F< 20kHz
RL = 8Ω + 15µH, BW < 30kHz
Pout = 0.38WRMS, RL = 4Ω +≥ 15µH
Pout = 0.25WRMS, RL = 8Ω+≥ 15µH
F = 217Hz, RL = 8Ω, G = 6dB,
ΔVicm = 200mVpp
Gain Gain value
Rin in kΩ
RSTBY
Internal resistance
from Standby to GND
FPWM
Pulse width modulator
base frequency
SNR
tWU
tSTBY
VN
Signal to noise ratio
Wake-up time
A Weighting, Pout = 1.2W, RL = 8Ω
Standby time
Output voltage noise
F = 20Hz to 20kHz, G = 6dB
Unweighted RL = 4Ω
A-weighted RL = 4Ω
Unweighted RL = 8Ω
A-weighted RL = 8Ω
Unweighted RL = 4Ω + 15µH
A-weighted RL = 4Ω + 15µH
Unweighted RL = 4Ω + 30µH
A-weighted RL = 4Ω + 30µH
Unweighted RL = 8Ω + 30µH
A-weighted RL = 8Ω + 30µH
Unweighted RL = 4Ω + Filter
A-weighted RL = 4Ω + Filter
Unweighted RL = 4Ω + Filter
A-weighted RL = 4Ω + Filter
1. Standby mode is active when VSTBY is tied to GND.
-2---7---3----k---Ω---
Rin
273
1.7
10
3
0.48
0.65
0.3
0.38
1
77
86
54
3----0---0----k---Ω---
Rin
300
250
80
5
5
85
60
86
62
76
56
82
60
67
53
78
57
74
54
-3---2---7----k---Ω---
Rin
327
mA
nA
mV
W
%
%
dB
V/V
kΩ
kHz
dB
ms
ms
μVRMS
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