TS4962_10 Datasheet, PDF (17/44 Pages) STMicroelectronics – 2.8 W filter-free mono class D audio power amplifier

TS4962
Electrical characteristics
Table 11. Electrical characteristics at V_CC +2.4 V
with GND = 0 V, V_icm = 1.2 V, T_amb = 25°C (unless otherwise specified)
Symbol
Parameter
Supply current
I_CC
No input signal, no load
I_STBY
Standby current ⁽¹⁾
No input signal, V_STBY = GND
Output offset voltage
V_oo
No input signal, R_L = 8 Ω
Output power, G = 6 dB
THD = 1% max, f = 1 kHz, R_L = 4 Ω
P_out
THD = 10% max, f = 1 kHz, R_L = 4 Ω
THD = 1% max, f = 1 kHz, R_L = 8 Ω
THD = 10% max, f = 1 kHz, R_L = 8 Ω
Total harmonic distortion + noise
THD + N P_out = 150 mW_RMS, G = 6 dB, 20 Hz < f < 20 kHz
R_L = 8 Ω + 15 µH, BW < 30 kHz
Efficiency
Efficiency
P_out = 0.38 W_RMS, R_L = 4 Ω +≥ 15 µH
P_out = 0.25 W_RMS, R_L = 8 Ω+≥ 15 µH
Common mode rejection ratio
CMRR
f = 217 Hz, R_L = 8 Ω, G = 6 dB, ΔV_ic = 200 mV_pp
Gain Gain value (R_in in kΩ)
R_STBY
F_PWM
SNR
t_WU
t_STBY
Internal resistance from standby to GND
Pulse width modulator base frequency
Signal to noise ratio (A-weighting)
P_out = 0.25 W, R_L = 8 Ω
Wake-up time
Standby time
Min. Typ. Max.
1.7
10
3
0.42
0.61
0.3
0.38
1
77
86
54
2----7---3----k---Ω_---
Rin
273
3----0---0----k---Ω_---
R_in
300
280
3----2---7----k---Ω_---
R_in
327
80
5
5
Unit
mA
nA
mV
W
%
%
dB
V/V
kΩ
kHz
dB
ms
ms
Doc ID 10968 Rev 8
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