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| TS4999 Datasheet, PDF (11/36 Pages) STMicroelectronics – Filter-free stereo 2.8 W class D audio power amplifier with selectable 3D sound effects | |||
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TS4999
Electrical characteristics
Table 10. VCC = +2.5 V, GND = 0V, Tamb = 25° C (unless otherwise specified)
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
ICC Supply current
ISTANDBY Standby current
Voo Output offset voltage
No input signal, no load, both channels
No input signal, Vstdby = GND
Floating inputs, RL = 8Ω, G = 3.5dB,
3D effect off
THD = 1% max, F = 1kHz, RL = 4Ω
Po Output power
THD = 1% max, F = 1kHz, RL = 8Ω
THD = 10% max, F = 1kHz, RL = 4Ω
THD = 10% max, F = 1kHz, RL = 8Ω
THD+N
Total harmonic distortion +
noise
Po = 0.2W/Ch, G = 6dB, F=1kHz,
RL = 8Ω
Efficiency
PSRR
Efficiency per channel
Power supply rejection ratio
with inputs grounded
Po = 0.52 WRMS, RL = 4Ω +15µH
Po = 0.33 WRMS, RL = 8Ω + 15µH
Cin = 1µF (1),3D effects off
F = 217Hz, RL = 8Ω, gain = 6dB,
Vripple = 200mVpp, Inputs grounded
Crosstalk Channel separation
F = 1kHz, RL = 8Ω,
3D effects off
CMRR
Common mode rejection
ratio
Cin=1µF, F = 217Hz, RL = 8Ω, gain = 6dB,
ÎVIC = 200mVpp, 3D effects off
G1 = G0 = "0"
Gain Gain value with no load
G1 = "0" & G0 = "1"
G1 = "1" & G0 = "0"
G1 = G0 = "1"
G1 = G0 = 3D = "0" or
G1 = "0" & G0 = "1" & 3D = "0" or
G1 = "1" & G0 = "0" & 3D = "0"
ZIN
Single-ended input
G1 = "1" & G0 = "1" & 3D = "0"
impedance referred to GND G1 = G0 = "0" & 3D = "1" or
G1 = "0" & G0 = "1" & 3D = "1" or
G1 = "1" & G0 = "0" & 3D = "1"
G1 = "1" & G0 = "1" & G3D = "1"
FPWM
Pulse width modulator
base frequency
SNR Signal to noise ratio
tWU Wake-up time
Po = 0.3W, A-weighting, RL = 8Ω,
Gain = 6dB, 3D effects OFF
Total wake-up time(2)
2.8 4 mA
1
2
μA
20 mV
0.53
W
0.33
0.67
W
0.4
W
0.07
%
81
%
88
63
dB
104
dB
55
dB
3 3.5 4
5.5 6 6.5
dB
9 9.5 10
11.5 12 12.5
24 30 36 kΩ
12 15 18 kΩ
13.5 17.1 20.5 kΩ
6.5 8.6 10.5 kΩ
190 280 370 kHz
94
dB
3 7.8 12 ms
11/36
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