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NTE1294 Fiches technique(PDF) 2 Page - NTE Electronics

No de pièce NTE1294
Description  Integrated Circuit Audio Power Amplifier, 1.2W
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Fabricant  NTE [NTE Electronics]
Site Internet  http://www.nteinc.com
Logo NTE - NTE Electronics

NTE1294 Fiches technique(HTML) 2 Page - NTE Electronics

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Electrical Characteristics (Cont’d): (VS = 9V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max Unit
Output Power
Po
d = 10%,
Vs = 12V, RL = 8Ω
2
W
f = 1kHz,
R = 120
Vs = 9V, RL = 4Ω
1.6
W
Rf = 120Ω
Vs = 9V, RL = 8Ω
0.9
1.2
W
Vs = 6V, RL = 4Ω
0.75
W
Vs = 3.5V, RL = 4Ω
0.25
W
Vs = 3V, RL = 4Ω
0.20
W
Input Sensitivity
Vi(rms)
Po = 1.2W,
Rf = 33Ω
16
mV
RL = 8Ω,
f = 1kHz
Rf = 120Ω
60
mV
Po = 50mW,
Rf = 33Ω
3.5
mV
RL = 8Ω,
f = 1kHz
Rf = 120Ω
12
mV
Input Resistance (Pin3)
Ri
f = 1kHz
5
M
Frequency Response (–3dB)
B
RL = 8Ω,
µ
CB = 680pF
25 to 7000
Hz
C5 = 1000µF,
Rf = 120Ω
CB = 220pF
25 to 20000
Hz
Distortion
d
Po = 500mW,
Rf = 33Ω
0.8
%
RL = 8Ω,
f = 1kHz
Rf = 120Ω
0.4
%
Voltage Gain (Open Loop)
Gv
f = 1kHz, RL = 8Ω
75
dB
Voltage Gain (Closed Loop)
Gv
RL = 8Ω,
Rf = 33Ω
45
dB
f = 1kHz
Rf = 120Ω
34
dB
Input Noise Voltage
eN
Note 1
3
µV
Input Noise Current
iN
Note 1
0.4
nA
Signal to Noise Ratio
S + N
N
Po = 1.2W,
RL = 8Ω,
R1 = 10k
80
dB
N
L
Gv = 34dB,
Note 1
R1 = 50k
70
dB
Supply Voltage Rejection
SVR
RL = 8Ω, fripple = 100Hz,
C6 = 47
µF, Rf = 120Ω
42
dB
Note 1. B = 22Hz to 22kHz


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