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TS2007_11 Datasheet, PDF (6/29 Pages) STMicroelectronics – 3 W filter-free Class D audio power amplifer with 6-12 dB fixed gain select
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Electrical characteristics
3
Electrical characteristics
TS2007
3.1
Electrical characteristic tables
Table 5. VCC = +5 V, GND = 0 V, Vic=2.5 V, Tamb = 25 °C (unless otherwise specified)
Symbol
Parameter
Min. Typ. Max. Unit
ICC
ICC-STBY
Voo
Po
THD + N
Efficiency
PSRR
CMRR
Gain
Zin
FPWM
SNR
tWU
Supply current
No input signal, no load
Standby current (1)
No input signal, VSTBY = GND
Output offset voltage
Floating inputs, RL = 8Ω
Output power
THD = 1% max, f = 1 kHz, RL = 4 Ω
THD = 1% max, f = 1 kHz, RL = 8 Ω
THD = 10% max, f = 1 kHz, RL = 4 Ω
THD = 10% max, f = 1 kHz, RL = 8 Ω
Total harmonic distortion + noise
Po = 1WRMS, G = 6 dB, f =1 kHz, RL = 8 Ω
Efficiency
Po = 2.1 WRMS, RL = 4 Ω (with LC output filter)
Po = 1.3 WRMS, RL = 8 Ω (with LC output filter)
Power supply rejection ratio with inputs grounded, Cin=1µF (2)
f = 217 Hz, RL = 8 Ω, Gain=6 dB,Vripple = 200 mVpp
f = 217 Hz, RL = 8 Ω, Gain=12 dB, Vripple = 200 mVpp
Common mode rejection ratio 20 Hz < f < 20 kHz
Gain value
GS =0 V
GS = VCC
Single input impedance (3)
Pulse width modulator base frequency
Signal-to-noise ratio (A-weighting)
Po=1.5 W, RL=4 Ω (with LC output filter)
Wake-up time
2.3 3.3 mA
10 1000 nA
25
mV
2.3
1.4
W
2.8
1.7
0.4
%
84
%
90
63
dB
60
60
dB
11.5 12 12.5 dB
5.5
6
6.5
68 75 82
kΩ
190 280 370 kHz
94
dB
5
10
ms
6/29
Doc ID 13123 Rev 4
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