參數(shù)資料
型號： TS4997
廠商： 意法半導(dǎo)體
英文描述： 2 x 1W differential input stereo audio amplifier with programmable 3D effects
中文描述： 2個1W的差分輸入立體聲音頻放大器，可編程的3D效果
文件頁數(shù)： 5/34頁
文件大?。?/td> 434K
代理商： TS4997
TS4997
Electrical characteristics
5/34
3
Electrical characteristics
V
CC
= +5V, GND = 0V, T
amb
= 25°C (unless otherwise specified)
Parameter
Table 4.
Symbol
Min.
Typ.
Max.
Unit
I
CC
Supply current
No input signal, no load, left and right channel active
7.4
9.6
mA
I
STBY
Standby current
(1)
No input signal, V
STBYL
= GND, V
STBYR
= GND, R
L
= 8
Ω
10
2000
nA
V
oo
Output offset voltage
No input signal, R
L
= 8
Ω
1
35
mV
P
o
Output power
THD = 1% Max, F = 1kHz, R
L
= 8
Ω
800
1000
mW
THD + N
Total harmonic distortion + noise
P
o
= 700mW
rms
, G = 6dB, R
L
= 8
Ω,
20Hz
≤
F
≤
20kHz
Power supply rejection ratio
(2)
, inputs grounded
R
L
= 8
Ω,
G = 6dB
,
C
b
= 1μF, V
ripple
= 200mV
pp
, 3D effect off
F = 217Hz
F = 1kHz
0.5
%
PSRR
80
75
dB
CMRR
Common mode rejection ratio
(3)
R
L
= 8
Ω,
G = 6dB
,
C
b
= 1μF, V
incm
= 200mV
pp
, 3D effect off
F = 217Hz
F = 1kHz
57
57
dB
SNR
Signal-to-noise ratio
A-weighted, G = 6dB, C
b
= 1μF, R
L
= 8
Ω,
3D effect off
(THD + N
≤
0.5%, 20Hz < F < 20kHz)
108
dB
Crosstalk
Channel separation, R
L
= 8
Ω
, G = 6dB, 3D effect off
F = 1kHz
F = 20Hz to 20kHz
105
80
dB
V
N
Output voltage noise, F = 20Hz to 20kHz, R
L
= 8
Ω,
G=6dB
C
b
= 1μF, 3D effect off
Unweighted
A-weighted
15
10
μ
Vrms
Gain
Gain value (R
IN
in k
Ω
)
V/V
t
WU
Wake-up time (C
b
= 1μF)
46
ms
t
STBY
Standby time (C
b
= 1μF)
10
μs
Φ
M
Phase margin at unity gain
R
L
= 8
Ω
, C
L
= 500pF
Gain margin, R
L
= 8
Ω
, C
L
= 500pF
Gain bandwidth product, R
L
= 8
Ω
65
Degrees
GM
15
dB
GBP
1.5
MHz
1.
Standby mode is active when V
STBY
is tied to GND.
Dynamic measurements - 20*log(rms(V
out
)/rms(V
ripple
)). V
ripple
is the sinusoidal signal superimposed upon V
CC
.
Dynamic measurements - 20*log(rms(V
out
)/rms(V
incm
)).
2.
3.
Ω
IN
---R
Ω
IN
---R
Ω
IN
---R
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TS4998 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 1W differential input stereo audio amplifier
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TS4999 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Filter-free stereo 2.8 W class D audio power amplifier with selectable 3D sound effects
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