NTE745
Integrated Circuit
Audio Amplifier, 500mW
Description:
the NTE745 is a monolithic complementary power amplifier and preamplifier designed to deliver
1/2鈥揥att into a loudspeaker with a 3.0mV
(rms)
typical input. Gain and bandwidth are externally adjust-
able. Typical applications include portable AM鈥揊M radios, tape recorders, phonographs, and inter-
coms.
Features:
D
1/2鈥揥att Power Output (9.0 Vdc Supply, 8鈥揙hm Load)
D
High Overall Gain鈥?.0mV
(rms)
Sensitivity for 1/2鈥揥att Output
D
Low Zero鈥揝ignal Current Drain鈥?.0mAdc @ 9.0V typ
D
Low Distortion鈥?.5% at 250mW typ
Electrical Characteristics:
(V+ = 9V, R
L
= 8鈩? f = 1kHz, T
A
= +25擄C unless otherwise specified)
Parameter
Open Loop Voltage Gain
Sensitivity
Output Impedance (Power鈥揂mplifier)
Signal to Noise Ratio
Total Harmonic Distortion
Quiescent Output Voltage
Output Power
Current Drain
Power Dissipation
Symbol
A
VOL
S
Z
O
S/N
THD
V
O
P
O
I
D
P
D
THD
鈮?/div>
10%
Zero Signal
Zero Signal
P
O
= 150mW, f = 300Hz to 10kHz
P
O
= 250mW
Test Conditions
Pre鈥揂mplifier, R
L
= 1.0k鈩?/div>
Power鈥揂mplifier, R
L
= 16鈩?/div>
P
O
= 500mW
Min
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
500
鈥?/div>
鈥?/div>
Typ
270
360
3.0
0.5
55
0.5
V+/2
570
4.0
36
Max
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Unit
V/V
V/V
mV
(rms)
W
dB
%
Vdc
mW
mA
mW
NTE745 產(chǎn)品屬性
NTE
置換半導(dǎo)體
否
1
NTE745相關(guān)型號(hào)PDF文件下載
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