TS4998 STMicroelectronics, TS4998 Datasheet - Page 7

• Manufacturer Part Number: TS4998
• Description: 2 X 1w Differential Input Stereo Audio Amplifier
• Manufacturer: STMicroelectronics

TS4998
Table 6.
1. Standby mode is active when V
2. Dynamic measurements - 20*log(rms(V
3. Dynamic measurements - 20*log(rms(V
Crosstalk
THD + N
Symbol
CMRR
PSRR
t
I
SNR
Gain
GBP
STBY
t
GM
STBY
V
I
Φ
V
P
WU
CC
oo
M
N
o
Supply current
No input signal, no load, left and right channel active
Standby current
No input signal, V
Output offset voltage
No input signal, R
Output power
THD = 1% max, F = 1kHz, R
Total harmonic distortion + noise
P
Power supply rejection ratio
R
F = 217Hz
F = 1kHz
Common mode rejection ratio
R
Signal-to-noise ratio
A-weighted, G = 6dB, C
(THD + N ≤ 0.5%, 20Hz < F < 20kHz)
Channel separation, R
Output voltage noise, F = 20Hz to 20kHz, R
C
Gain value (R
Wake-up time (C
Standby time (C
Phase margin at unity gain
R
Gain margin, R
Gain bandwidth product, R
V
o
L
L
b
L
F = 217Hz
F = 1kHz
F = 1kHz
F = 20Hz to 20kHz
Unweighted
A-weighted
CC
= 200mW
= 8Ω , C
= 8Ω, G = 6dB, C
= 8Ω, G = 6dB, C
= 1µF
= +2.7V, GND = 0V, T
L
= 500pF
rms
IN
L
, G = 6dB, R
in kΩ)
b
(1)
= 8Ω , C
b
STBYL
= 1µF)
L
STBY
= 1µF)
= 8Ω
b
b
L
is tied to GND.
= 1µF, V
= 1µF, V
b
= GND, V
= 8Ω , G = 6dB
L
out
out
= 1µF, R
Parameter
= 500pF
L
)/rms(V
)/rms(V
(2)
L
= 8Ω
L
(3)
amb
= 8Ω, 20Hz ≤ F ≤ 20kHz
, inputs grounded
= 8Ω
ripple
incm
STBYR
L
ripple
incm
= 25°C (unless otherwise specified)
= 8Ω
= 200mV
= 200mV
)).
)). V
= GND, R
ripple
L
= 8Ω, G=6dB
pp
pp
is the sinusoidal signal superimposed upon V
L
= 8Ω
40
--------------- -
Min.
220
R
IN
k
Ω
Electrical characteristics
50
--------------- -
Typ.
295
102
105
R
6.2
0.5
1.5
10
76
73
57
57
80
15
10
46
10
65
15
1
IN
k
Ω
Max.
2000
60
--------------- -
R
8.1
35
IN
k
Ω
CC
.
Degrees
µVrms
MHz
Unit
mW
V/V
mA
mV
ms
nA
dB
dB
dB
dB
dB
µs
%
7/33