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TDA1905 데이터시트(Datasheet) 4 Page - STMicroelectronics

부품명 TDA1905
상세내용  5W AUDIO AMPLIFIER WITH MUTING
PDF  14 Pages
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제조사  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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 4 page
background image
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Vs
Supply voltage
4
30
V
Vo
Quiescent output voltage
Vs =4V
Vs = 14V
Vs = 30V
1.6
6.7
14.4
2.1
7.2
15.5
2.5
7.8
16.8
V
Id
Quiescent drain current
Vs =4V
Vs = 14V
Vs = 30V
15
17
21
35
mA
VCE sat
Output stage saturation
voltage
IC =1A
IC =2A
0.5
1
V
Po
Output power
d = 10%
Vs =9V
Vs = 14V
Vs = 18V
Vs = 24V
f = 1KHz
RL =4
Ω (*)
RL =4
RL =8
RL =16
2.2
5
5
4.5
2.5
5.5
5.5
5.3
W
d
Harmonic distortion
f = 1KHz
Vs =9V
RL =4
Po = 50 mW to 1.5W
Vs = 14V
RL =4
Po =50 mW to 3W
Vs = 18V
RL =8
Po =50 mW to 3W
Vs = 24V
RL =16
Po =50 mW to 3W
0.1
0.1
0.1
0.1
%
Vi
Input sensitivity
f = 1KHz
Vs =9V
Vs = 14V
Vs = 18V
Vs = 24V
RL =4
RL =4
RL =8
RL =16
Po = 2.5W
Po = 5.5W
Po = 5.5W
Po = 5.3W
37
49
73
100
mV
Vi
Input saturation
voltage (rms)
Vs =9V
Vs = 14V
Vs = 18V
Vs = 24V
0.8
1.3
1.8
2.4
V
Ri
Input resistance (pin 8)
f = 1KHz
60
100
K
Id
Drain current
f = 1KHz
Vs =9V
Vs = 14V
Vs = 18V
Vs = 24V
RL =4
RL =4
RL =8
RL =16
Po = 2.5W
Po = 5.5W
Po = 5.5W
Po = 5.3W
380
550
410
295
mA
η
Efficiency
f = 1KHz
Vs =9V
Vs = 14V
Vs = 18V
Vs = 24V
RL =4
RL =4
RL =8
RL =16
Po = 2.5W
Po = 5.5W
Po = 5.5W
Po = 5.3W
73
71
74
75
%
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb =25
°C, Rth (heatsink) = 20 °C/W,
unless otherwisw specified)
(*) With an external resistor of 100
Ω between pin 3 and +Vs.
4/14
TDA1905




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