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| TS488 Datasheet, PDF (6/32 Pages) STMicroelectronics – Pop-free 120mW stereo headphone amplifier | |||
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Electrical characteristics
TS488-TS489
Table 5.
Symbol
Electrical characteristics at VCC = +3.3V
with GND = 0V, Tamb = 25°C (unless otherwise specified) (1)
Parameter
Conditions
ICC Supply current
ISTBY Standby current
Pout Output power
THD+N
Total harmonic distortion
+ noise
No input signal, no load
No input signal, VSTBY = GND for TS488,
RL=32Ω
No input signal, VSTBY = VCC for TS489,
RL=32Ω
THD+N = 0.1% max, F = 1kHz, RL = 32Ω
THD+N = 1% max, F = 1kHz, RL = 32Ω
THD+N = 0.1% max, F = 1kHz, RL = 16Ω
THD+N = 1% max, F = 1kHz, RL = 16Ω
AV = -1, RL = 32Ω, Pout = 16mW,
20Hz ⤠F ⤠20kHz
AV = -1, RL = 16Ω, Pout = 35mW,
20Hz ⤠F ⤠20kHz
PSRR
Power supply rejection
ratio, inputs grounded(2)
VO Output swing
SNR Signal-to-noise ratio
AV = -1, RL ⥠16Ω, Cb=1µF, F = 1kHz,
Vripple = 200mVpp
AV = -1, RL ⥠16Ω, Cb=1µF, F = 217Hz,
Vripple = 200mVpp
VOL: RL = 32Ω
VOH: RL = 32Ω
VOL: RL = 16Ω
VOH: RL = 16Ω
A weighted, AV = -1, RL = 32Ω,
THD+N < 0.4%, 20Hz â¤F â¤20kHz
Crosstalk Channel separation
RL = 32Ω, AV = -1
F = 1kHz
F = 20Hz to 20kHz
Ci
GBP
SR
Input capacitance
Gain bandwidth product
Slew rate, unity gain
inverting
RL = 32Ω
RL = 16Ω
VIO Input offset voltage
twu Wake-up time
Vicm=VCC/2
1. All electrical values are guaranteed with correlation measurements at 2.5V and 5V.
2. Guaranteed by design and evaluation.
Min. Typ. Max. Unit
1.8 2.5 mA
10 1000
nA
10 1000
34
30 35
mW
55
47 57
0.3
%
0.3
63 69
dB
61 67
0.15 0.2
3.03 3.12
V
0.28 0.36
2.82 2.97
102
dB
-102
-84
1
1.1
dB
pF
MHz
0.6
V/μs
1 20 mV
100
ms
6/32
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