TS4997 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TS4997
STMicroelectronics
TS4997 Datasheet PDF : 34 Pages
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TS4997
3
Electrical characteristics
Electrical characteristics
Table 4. VCC = +5V, 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
7.4 9.6
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
800 1000
mW
THD + N
Total harmonic distortion + noise
Po = 700mWrms, 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)
108
dB
Channel separation, RL = 8Ω, G = 6dB, 3D effect off
Crosstalk F = 1kHz
F = 20Hz to 20kHz
105
dB
80
VN
Gain
Output voltage noise, F = 20Hz to 20kHz, RL = 8Ω, G=6dB
Cb = 1µF, 3D effect off
Unweighted
A-weighted
Gain value (RIN in kΩ)
4-----0-----k---Ω--
RIN
15
10
5-----0-----k---Ω--
RIN
6-----0-----k---Ω--
RIN
μVrms
V/V
tWU Wake-up time (Cb = 1µF)
46
ms
tSTBY Standby time (Cb = 1µF)
10
µs
ΦM
Phase margin at unity gain
RL = 8Ω, CL = 500pF
65
Degrees
GM Gain margin, RL = 8Ω, CL = 500pF
15
dB
GBP Gain bandwidth product, RL = 8Ω
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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