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TS4962M_07 Datasheet, PDF (13/41 Pages) STMicroelectronics – 3W filter-free class D audio power amplifier
TS4962M
Electrical characteristics
Table 8.
Symbol
VCC = +2.5V, GND = 0V, VIC = 2.5V, Tamb = 25°C (unless otherwise specified)
Parameter
Conditions
Min. Typ. Max.
ICC
ISTBY
VOO
Supply current
Standby current (1)
Output offset voltage
Pout Output power
THD + N
Total harmonic
distortion + noise
Efficiency Efficiency
PSRR
Power supply
rejection ratio with
inputs grounded (2)
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 = 200WRMS, G = 6dB, F = 1kHz,
RL = 8Ω + 15µH, BW < 30kHz
Pout = 0.47WRMS, RL = 4Ω +≥ 15µH
Pout = 0.3WRMS, RL = 8Ω+≥ 15µH
F = 217Hz, RL = 8Ω, G=6dB,
Vripple = 200mVpp
CMRR
Common mode
rejection ratio
F = 217Hz, RL = 8Ω, G = 6dB,
ΔVicm = 200mVpp
Gain Gain value
Rin in kΩ
RSTBY
FPWM
SNR
tWU
tSTBY
Internal resistance
from Standby to GND
Pulse width modulator
base frequency
Signal to noise ratio
Wake-up time
A-weighting, Pout = 1.2W, RL = 8Ω
Standby time
-2---7---3----k---Ω---
Rin
273
180
1.7
10
3
0.52
0.71
0.33
0.42
1
0.19
78
88
60
54
3----0---0----k---Ω---
Rin
300
250
80
5
5
2.4
1000
25
-3---2---7----k---Ω---
Rin
327
320
10
10
Unit
mA
nA
mV
W
%
%
dB
dB
V/V
kΩ
kHz
dB
ms
ms
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