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| TS4962M_07 Datasheet, PDF (7/41 Pages) STMicroelectronics – 3W filter-free class D audio power amplifier | |||
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TS4962M
Electrical characteristics
Table 5.
Symbol
VCC = +4.2V, GND = 0V, VIC = 2.5V, Tamb = 25°C (unless otherwise specified)(1)
Parameter
Conditions
Min. Typ. Max.
ICC
ISTBY
VOO
Supply current
Standby current (2)
Output offset voltage
Pout Output power
THD + N
Total harmonic
distortion + noise
Efficiency Efficiency
PSRR
Power supply
rejection ratio with
inputs grounded (3)
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 = 600mWRMS, G = 6dB, 20Hz < F < 20kHz
RL = 8Ω + 15µH, BW < 30kHz
Pout = 700mWRMS, G = 6dB, F = 1kHz,
RL = 8Ω + 15µH, BW < 30kHz
Pout = 1.45WRMS, RL = 4Ω +⥠15µH
Pout =0.9WRMS, RL = 8Ω+⥠15µH
F = 217Hz, RL = 8Ω, G=6dB,
Vripple = 200mVpp
2.1
3
10 1000
3
25
1.6
2
0.95
1.2
1
0.35
78
88
63
CMRR
Common mode
rejection ratio
Gain Gain value
F = 217Hz, RL = 8Ω, G = 6dB,
ÎVicm = 200mVpp
Rin in kΩ
57
-2---7---3----k----Ω--
Rin
3----0---0----k---Ω---
Rin
-3---2---7----k---Ω---
Rin
RSTBY
Internal resistance
from Standby to GND
273 300 327
FPWM
Pulse width modulator
base frequency
180 250 320
SNR
tWU
tSTBY
Signal to noise ratio
Wake-uptime
Standby time
A-weighting, Pout = 0.9W, RL = 8Ω
85
5
10
5
10
Unit
mA
nA
mV
W
%
%
dB
dB
V/V
kΩ
kHz
dB
ms
ms
7/41
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