TDA7261(1997) Просмотр технического описания (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
VS
Iq
PO
PO
Parameter
Supply Range
Total Quiescent Current
Music Output Power (*)
Output Power
THD
Total Harmonic Distortion
SR
Slew Rate
GV
Closed Loop Voltage Gain
∆GV
Voltage Gain Matching
eN
Total Input Noise
Ri
Input Resistance
SVR
Supply Voltage Rejection
Tj
Thermal Shut-down
Junction Temperature
MUTE FUNCTION [ref: +VS]
VTMUTE Mute / Play Threshold
AM
Mute Attenuation
STAND-BY FUNCTION [ref: +VS]
VTST-BY
AST-BY
Stand-by / Mute Threshold
Stand-by Attenuation
Iq ST-BY Quiescent Current @ Stand-by
Test Condition
THD = 10%; RL = 8Ω ;
VS + 28.5V;
THD = 10%
RL = 8Ω ;
VS + 16V; RL = 4Ω
THD = 1%
RL = 8Ω ;
VS + 16V; RL = 4Ω
RL = 8Ω ; PO = 1W; f = 1KHz
RL = 8Ω ;
PO = 0.1 to 15W;
f = 100Hz to 15KHz
RL = 4Ω ; PO = 1W; f = 1KHz
RL = 4Ω ; VS + 16V;
PO = 0.1 to 12W;
f = 100Hz to 15KHz
A Curve
f = 20Hz to 22KHz
fr = 100Hz; Vripple = 0.5VRMS
Min.
+5
20
29
15
-7
60
-3.5
Typ. Max. Unit
+22.5 V
30
mA
32
W
25
W
25
W
20
W
20
W
0.02
%
0.5
%
0.03
%
1
%
10
V/µs
30
31
dB
0.2
dB
2.5
µV
3.5
8
µV
20
KΩ
60
dB
145
°C
-6
-5
V
90
dB
-2.5 -1.5
V
110
dB
3
mA
Note :
(*) FULL POWER up to. VS = ±22.5V with RL = 8Ω and VS = ±16V with RL = 4Ω
MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of non linearity)
1 sec after the application of a sinusoidal input signal of frequency 1KHz.
3/9
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