NTE740A NTE ELECTRONICS, NTE740A Datasheet
NTE740A
Manufacturer Part Number
NTE740A
Description
Replacement Semiconductors DIP14 2W AUD AMP
Manufacturer
NTE ELECTRONICS
Datasheet
1.NTE740A.pdf
(2 pages)
Specifications of NTE740A
No. Of Channels
1
Output Power
2.5W
Supply Voltage Range
9V To 26V
Load Impedance
8ohm
Operating Temperature Range
-25°C To +70°C
Amplifier Case Style
DIP
No. Of Pins
14
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Description:
TheNTE740A is an Audio Power Amplifier in a 14–Lead DIP type package designed for minimal external
component requirements.
Features:
D Low Distortion
D Low Quiescent Current
D 34dB Internally Fixed Gain
D High Input Impedance
D Thermal Overload Protection
D Output Short Circuit Current Limiting
Absolute Maximum Ratings:
Supply Voltage, V
Peak Output Current, I
Operating Ambient Temperature Range, T
Storage Temperature Range, T
Electrical Characteristics: (T
Note 1. The quiescent output voltage typically equals 1/2 the normal V
Note 2. When driving a 16
Note 3. When driving a 16
Note 4. Tested at V
Note 5. Measurement made with a 5 F capacitor from Pin1 to GND. Voltage at Pin14 is at a ripple
Note 6. Unity gain occurs between 10 and 100MHz.
Supply Voltage Range
Quiescent Supply Current
Quiescent Output Voltage
Output Voltage Swing
Voltage Gain
Total Harmonic Distortion
Audio Output Power
Input Impedance
Power Supply Rejection Ratio
Equivalent Input Noise Voltage
Sensitivity Input Voltage
Bandwidth (–3dB)
frequency of 60Hz.
Parameter
CC
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
equals nominal and measured in watts (rms).
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
load, the nominal V
load, the maximum low level distortion is reduced to 0.50%.
A
stg
= +25 C, V
Audio Power Amp, 2W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbol
PSRR
THD
V
V
Integrated Circuit
P
BW
I
V
A
Z
e
CC
OQ
CC
out
in
O
V
in
A
NTE740A
CC
No Signal Applied
No Signal Applied, Note 1
P
P
P
P
THD = 2%, R
THD = 2%, R
Each Input
P
f = 20Hz to 20kHz
e
P
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
out
out
out
out
out
out
out
= 18V, f = 1kHz, R
= 2W
= 0
= 2W, Note 2
= 50mW, Note 3
= 0, f = 120Hz, Note 5
= 1W, Note 6
= 4.0V
CC
Test Conditions
is 24V.
rms
L
L
, P
= 8 , Note 4
= 16 , Note 4
out
= 2W
L
= 8 unless otherwise specified)
CC
Min
140
voltage = 1 Volt.
2.0
2.0
31
9
–
9
–
–
–
–
–
–
–
Typ
170
100
1.0
0.5
2.5
2.5
10
15
12
34
40
60
80
–
–65 to +150 C
–25 to +70 C
Max
2.0
1.0
26
37
–
–
–
–
–
–
–
–
–
–
V
Unit
kHz
mA
mV
V
k
dB
dB
1.2A
%
%
W
W
P–P
V
V
26V
rms
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NTE740A Summary of contents
Page 1
... Description: TheNTE740A is an Audio Power Amplifier in a 14–Lead DIP type package designed for minimal external component requirements. Features: D Low Distortion D Low Quiescent Current D 34dB Internally Fixed Gain D High Input Impedance D Thermal Overload Protection D Output Short Circuit Current Limiting Absolute Maximum Ratings: Supply Voltage, V ...
Page 2
Pin Connection Diagram Bypass (+) Input GND GND GND (–) Input GND 14 1 .770 (19.5) Max .100 (2.45) .600 (15.24 N. GND 4 11 GND 5 10 GND 6 9 N.C. ...