TDA7497 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
TDA7497 Datasheet PDF : 7 Pages
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TDA7497
ELECTRICAL CHARACTERISTCS (Refer to the test circuit VS = 26V; RL = 8Ω, f =1KHz, Rg = 50Ω, Tamb =25°C)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
VS Supply Voltage Range
11
32
V
Iq
Total Quiescent Current
60
100 mA
VO Quiescent Output Voltage
12
13
14
V
PO_L/R Output Power Left /
RightChannels
THD = 10%
8
10
W
THD = 1%;
6
7.5
W
THD = 10%; RL = 4Ω; Vs = 20V
7
8
W
THD = 1%; RL = 4Ω; Vs = 20V
5
6
W
THD = 10%; RL = 8Ω; Vs = 18V
3.5
3.8
W
THD = 1%; RL = 8Ω; Vs = 18V
2.2
2.9
W
PO_C Output Power Center Channel
THD = 10%
THD = 1%
THD = 10%; RL = 4Ω
THD = 1%; RL = 4Ω
8
10
W
6
7.5
W
15
18
W
11
14
W
THD Total Harmonic Distortion
PO = 1W; f = 1KHz;
0.4
%
Ipeak L/R Output Peak Current
(internally limited)
2.4
A
Ipeak C Output Peak Current Central
Channel
(internally limited)
2.8
A
GV Closed Loop Gain
28.5 29.5 30.5 dB
∆GV L/R Voltage GainMatching
-1
1
dB
BW
0.6
MHz
eN Total Output Noise
SR Slew Rate
f = 20Hz to 22KHz
60
150
µV
5
8
V/µs
Ri Input Resistance
22.5
30
KΩ
SVR Supply Voltage Rejection
f = 1kHz CSVR = 470µF; VRIP = 50
60
dB
1Vrms
TM Thermal Muting
150
°C
Ts Thermal Shut-down
160
°C
MUTE & INPUT SELECTION FUNCTIONS
VMUTE1 Mute 1 ON threshold (L/R)
Mute 1 OFF threshold (L/R)
3.5
V
1.5
V
VMUTE2 Mute 2 ON Threshold (center)
Mute 2 OFF Threshold (center)
3.5
V
1.5
V
AMUTE Mute Attenuation
50
65
dB
ImuteBIAS Mute bias current Mute1/Mute2
Mute
Play
1
5
µA
0.2
2
µA
3/7
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