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参数资料
| 型号： | TDA7264A |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| 封装： | MULTIWATT-11 |
| 文件页数： | 6/12页 |
| 文件大小： | 189K |
| 代理商： | TDA7264A |
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS + 20V; RL =8
;Rs =50;
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
80
130
mA
PO
Music Output Power (*)
THD = 10%; RL =8
;
VS + 22.5V
32
W
PO
Output Power
THD = 10%
RL =8
;
VS + 16V; RL =4
20
25
W
THD = 1%
RL =8
;
VS + 16V; RL =4
20
W
THD
Total Harmonic Distortion
RL =8
;PO = 1W; f = 1KHz
0.02
%
RL =8
;
PO = 0.1 to 15W;
f = 100Hz to 15KHz
0.5
%
RL =4
;PO = 1W; f = 1KHz
0.03
%
RL =4
;VS + 16V;
PO = 0.1 to 12W;
f = 100Hz to 15KHz
1%
CT
Cross Talk
f = 1KHz
f = 10KHz
70
60
dB
SR
Slew Rate
10
V/
s
GV
Closed Loop Voltage Gain
29
30
31
dB
GV
Voltage Gain Matching
0.2
dB
eN
Total Input Noise
A Curve
f = 20Hz to 22KHz
2.5
3.5
8
V
Ri
Input Resistance
15
20
K
SVR
Supply Voltage Rejection
(each channel)
fr = 100Hz; Vripple = 0.5VRMS
60
dB
Tj
Thermal Shut-down
Junction Temperature
145
°C
MUTE FUNCTION [ref: +VS]
VTMUTE
Mute / Play Threshold
-7
-6
-5
V
AM
Mute Attenuation
60
90
dB
STAND-BY FUNCTION [ref: +VS]
VTST-BY
Stand-by / Mute Threshold
-3.5
-2.5
-1.5
V
AST-BY
Stand-by Attenuation
110
dB
Iq ST-BY
Quiescent Current @ Stand-by
3
mA
Note :
(*) FULL POWER up to.VS =
±22.5V with RL =8 and VS = ±16V with RL =4
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.
TDA7264 - TDA7264A
3/12
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