TDA7261 데이터 시트보기 (PDF) - STMicroelectronics
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TDA7261 Datasheet PDF : 9 Pages
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TDA7261
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS + 20V; RL = 8Ω; Rs =50Ω;
f = 1KHz; Tamb = 25°C, unless otherwise specified.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
VS
Supply Range
+5
+22.5 V
Iq
Total Quiescent Current
30
mA
PO
Music Output Power (*)
THD = 10%; RL = 8Ω ;
VS + 28.5V;
32
W
PO
Output Power
THD = 10%
RL = 8Ω ;
VS + 16V; RL = 4Ω
20
25
W
25
W
THD = 1%
t(s) THD
Total Harmonic Distortion
RL = 8Ω ;
VS + 16V; RL = 4Ω
RL = 8Ω ; PO = 1W; f = 1KHz
20
W
20
W
0.02
%
RL = 8Ω ;
c PO = 0.1 to 15W;
u f = 100Hz to 15KHz
0.5
%
d RL = 4Ω ; PO = 1W; f = 1KHz
Pro t(s) RL = 4Ω ; VS + 16V;
PO = 0.1 to 12W;
te c f = 100Hz to 15KHz
0.03
%
1
%
le u SR
Slew Rate
10
V/µs
d GV
Closed Loop Voltage Gain
so ro ∆GV
Voltage Gain Matching
29
30
31
dB
0.2
dB
- Ob te P eN
Total Input Noise
A Curve
f = 20Hz to 22KHz
2.5
µV
3.5
8
µV
) le Ri
Input Resistance
15
20
KΩ
t(s o SVR
Supply Voltage Rejection
fr = 100Hz; Vripple = 0.5VRMS
60
dB
s Tj
Thermal Shut-down
c b Junction Temperature
145
°C
u O MUTE FUNCTION [ref: +VS]
rod - VTMUTE Mute / Play Threshold
-7
-6
-5
V
P t(s) AM
Mute Attenuation
60
90
dB
STAND-BY FUNCTION [ref: +VS]
te c VTST-BY Stand-by / Mute Threshold
-3.5 -2.5 -1.5
V
le du AST-BY Stand-by Attenuation
110
dB
so ro Iq ST-BY Quiescent Current @ Stand-by
3
mA
b P Note :
(*) FULL POWER up to. VS = ±22.5V with RL = 8Ω and VS = ±16V with RL = 4Ω
O te MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of non linearity)
Obsole 1 sec after the application of a sinusoidal input signal of frequency 1KHz.
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