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TS4999 データシート(Datasheet) 9 Page - STMicroelectronics

部品番号. TS4999
部品情報  Filter-free stereo 2.8 W class D audio power amplifier with selectable 3D sound effects
ダウンロード  36 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
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TS4999
Electrical characteristics
9/36
.
Table 9.
VCC = +3.6V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
ICC
Supply current
No input signal, no load, both channels
3.5
5.5
mA
ISTANDBY Standby current
No input signal, Vstdby = GND
1
2
μA
Voo
Output offset voltage
Floating inputs, RL = 8
Ω, G = 3.5dB,
3D effect off
20
mV
Po
Output power
THD = 1% max, F = 1kHz, RL = 4Ω
1.15
W
THD = 1% max, F = 1kHz, RL = 8Ω
0.7
THD = 10% max, F = 1kHz, RL = 4Ω
1.45
W
THD = 10% max, F = 1kHz, RL = 8Ω
0.86
W
THD+N
Total harmonic distortion +
noise
Po = 0.45W/Ch, G = 6dB, F=1kHz,
RL = 8Ω
0.15
%
Efficiency Efficiency per channel
Po = 1.15 WRMS, RL = 4Ω +15µH
82
%
Po = 0.7 WRMS, RL = 8Ω + 15µH
89
PSRR
Power supply rejection ratio
with inputs grounded
Cin = 1µF
(1),3D effects off
F = 217Hz, RL = 8Ω, gain = 6dB,
Vripple = 200mVpp, inputs grounded
64
dB
Crosstalk Channel separation
F = 1kHz, RL = 8Ω,
3D effects off
102
dB
CMRR
Common mode rejection
ratio
Cin=1µF, F = 217Hz, RL = 8Ω, gain = 6dB,
ΔVIC = 200mVpp, 3D effects off
55
dB
Gain
Gain value with no load
G1 = G0 = "0"
3
3.5
4
dB
G1 = "0" & G0 = "1"
5.5
6
6.5
G1 = "1" & G0 = "0"
9
9.5
10
G1 = G0 = "1"
11.5
12
12.5
ZIN
Single-ended input
impedance referred to GND
G1 = G0 = 3D = "0" or
G1 = "0" & G0 = "1" & 3D = "0" or
G1 = "1" & G0 = "0" & 3D = "0"
24
30
36
k
Ω
G1 = "1" & G0 = "1" & 3D = "0"
12
15
18
k
Ω
G1 = G0 = "0" & 3D = "1" or
G1 = "0" & G0 = "1" & 3D = "1" or
G1 = "1" & G0 = "0" & 3D = "1"
13.5
17.1
20.5
k
Ω
G1 = "1" & G0 = "1" & G3D = "1"
6.5
8.6
10.5
k
Ω
FPWM
Pulse width modulator
base frequency
190
280
370
kHz
SNR
Signal to noise ratio
Po = 0.67W, A-weighting, RL = 8Ω,
Gain = 6dB, 3D effects OFF
97
dB
tWU
Wake-up time
Total wake-up time(2)
7.5
11.3
15
ms




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