TDA7253 Просмотр технического описания (PDF) - STMicroelectronics
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TDA7253 Datasheet PDF : 5 Pages
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THERMAL DATA
Symbol
Rth j-case
Parameter
Thermal resistance junction to case
TDA7253
Value
Unit
Max
3
°C/W
ELECTRICAL CHARACTERISTICS (Refer to the test and application circuit, VS = 26V; RL = 8Ω;
Gv = 30dB; f = 1KHz; Tamb = 25°C unless otherwise specified.)
Symbol
VS
VO
Iq
PO
d
RI
fL
fH
eN
Parameter
Supply Voltage
Quiescent Output Voltage
Total Quiescent Current
Output Power
Total Harmonic Distortion
Input Resistance
Low Frequency Roll-off (-3dB)
High Frequency Roll-off (-3dB)
Total Input Noise Voltage
SVR
VTMUTE
VTPLAY
AM
IqMUTE
Supply Voltage Rejection
Mute Threshold
Play Threshold
Mute Attenuation
Quiescent Current Mute
Note: to avoid pop-on noise CF ≤ 1
CSVR
Test Condition
Min.
10
d = 10%
8
d = 1%
PO = 1W
100
A Curve; RS = 10KΩ
f = 22Hz to 22KHz; RS = 10KΩ
RS = 10KΩ; f = 100Hz; Vr = 0.5V
5
80
Typ.
12.5
40
10
8
0.03
200
40
80
2
2.5
60
0.8
100
7
Max.
32
10
10
Unit
V
V
mA
W
W
%
KΩ
Hz
KHz
mV
µV
dB
V
V
dB
mA
Figure 1: Output Power vs. Supply Voltage
Figure 2: Quiescent Current vs. Supply Voltage
Iq
(mA)
45
D94AU131
40
35
30
25
20
8
12 16 20 24 28 Vs(V)
3/5
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