TS4962M_07 Datasheet, PDF (11/41 Pages) STMicroelectronics – 3W filter-free class D audio power amplifier

TS4962M
Electrical characteristics
Table 7.
Symbol
V_CC = +3V, GND = 0V, V_IC = 2.5V, T_amb = 25°C (unless otherwise specified)⁽¹⁾
Parameter
Conditions
Min. Typ. Max.
I_CC
I_STBY
V_OO
Supply current
Standby current ⁽²⁾
Output offset voltage
P_out 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, V_STBY = GND
No input signal, R_L = 8Ω
G=6dB
THD = 1% max, F = 1kHz, R_L = 4Ω
THD = 10% max, F = 1kHz, R_L = 4Ω
THD = 1% max, F = 1kHz, R_L = 8Ω
THD = 10% max, F = 1kHz, R_L = 8Ω
P_out = 350mW_RMS, G = 6dB, 20Hz < F < 20kHz
R_L = 8Ω + 15µH, BW < 30kHz
P_out = 350mW_RMS, G = 6dB, F = 1kHz,
R_L = 8Ω + 15µH, BW < 30kHz
P_out = 0.7W_RMS, R_L = 4Ω +≥ 15µH
P_out = 0.45W_RMS, R_L = 8Ω+≥ 15µH
F = 217Hz, R_L = 8Ω, G=6dB,
V_ripple = 200mV_pp
CMRR
Common mode
rejection ratio
Gain Gain value
F = 217Hz, R_L = 8Ω, G = 6dB,
ΔV_icm = 200mV_pp
R_in in kΩ
-2---7---3----k---^Ω---
Rin
R_STBY
Internal resistance
from Standby to GND
273
F_PWM
Pulse width modulator
base frequency
180
SNR
t_WU
t_STBY
Signal to noise ratio
Wake-up time
Standby time
A-weighting, P_out = 0.4W, R_L = 8Ω
1.9
10
3
0.75
1
0.5
0.6
1
0.21
78
88
60
54
3----0---0----k---Ω_---
R_in
300
250
82
5
5
2.7
1000
25
-3---2---7----k---^Ω---
R_in
327
320
10
10
Unit
mA
nA
mV
W
%
%
dB
dB
V/V
kΩ
kHz
dB
ms
ms
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