TS4997 データシートの表示（PDF） - STMicroelectronics
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TS4997
STMicroelectronics
TS4997 Datasheet PDF : 34 Pages
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Electrical characteristics
TS4997
Table 5. VCC = +3.3V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min. Typ. Max.
Unit
ICC
Supply current
No input signal, no load, left and right channel active
6.6 8.6
mA
ISTBY
Standby current (1)
No input signal, VSTBYL = GND, VSTBYR = GND, RL = 8Ω
10 2000
nA
Voo
Output offset voltage
No input signal, RL = 8Ω
1
35
mV
Po
Output power
THD = 1% Max, F = 1kHz, RL = 8Ω
370 460
mW
THD + N
Total harmonic distortion + noise
Po = 300mWrms, G = 6dB, RL = 8Ω, 20Hz ≤ F ≤ 20kHz
0.5
%
Power supply rejection ratio(2), inputs grounded
PSRR RL = 8Ω, G = 6dB, Cb = 1µF, Vripple = 200mVpp, 3D effect off
dB
F = 217Hz
80
F = 1kHz
75
Common mode rejection ratio(3)
CMRR RL = 8Ω, G = 6dB, Cb = 1µF, Vincm = 200mVpp, 3D effect off
dB
F = 217Hz
57
F = 1kHz
57
SNR
Signal-to-noise ratio
A-weighted, G = 6dB, Cb = 1µF, RL = 8Ω, 3D effect off
(THD + N ≤ 0.5%, 20Hz < F < 20kHz)
104
dB
Channel separation, RL = 8Ω, G = 6dB, 3D effect off
Crosstalk F = 1kHz
F = 20Hz to 20kHz
105
dB
80
VN
Gain
tWU
tSTBY
ΦM
GM
GBP
Output voltage noise, F = 20Hz to 20kHz, RL = 8Ω, G=6dB
Cb = 1µF, 3D effect off
Unweighted
A-weighted
Gain value (RIN in kΩ)
Wake-up time (Cb = 1µF)
Standby time (Cb = 1µF)
Phase margin at unity gain
RL = 8Ω, CL = 500pF
Gain margin
RL = 8Ω, CL = 500pF
Gain bandwidth product
RL = 8Ω
4-----0-----k---Ω--
RIN
15
10
5-----0-----k---Ω--
RIN
47
10
6-----0-----k---Ω--
RIN
μVrms
V/V
ms
µs
65
Degrees
15
dB
1.5
MHz
1. Standby mode is active when VSTBY is tied to GND.
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the sinusoidal signal superimposed upon VCC.
3. Dynamic measurements - 20*log(rms(Vout)/rms(Vincm)).
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