NTE NTE1468 Datasheet
NTE1468
Integrated Circuit
Audio, Low Power Output Amplifier
Applications:
D Line Output Amplifier
D Recording Head Driver and Headphone Driver of Tape Recorder Deck.
Features
D Low Noise: V
:
= 1µV
NI
rms
D Wide Operating Supply Voltage Range: VCC = 3.5 to 25V
D 150mW Audio Output Power at V
Absolute Maximum Ratings
Supply Voltage, V
Power Dissipation, P
CC
D
: (TA = +25°C unless otherwise specified)
= 20V, RL = 150Ω
CC
Derated Above 25°C 4mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
Storage Temperature Range, T
Electrical Characteristics
: (VCC = 20V, TA = +25°C, RL = 150Ω, Rf = 600Ω, f = 1kHz unless
opr
stg
otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Operating Supply Voltage Range V
Supply Current I
Voltage Gain (Open Loop) G
Voltage Gain (Closed Loop) G
Total Harmonic Distortion THD V
Maximum Output Voltage V
Input Resistance R
Output Noise Voltage V
CCopr
CC
VO
V
OM
IN
NO
f = 1kHz, V
f = 1kHz, V
= 0 – 4.0 6.0 mA
OUT
= 4.5V
OUT
Rf = 0Ω – 63 – dB
Note 1 36.5 40.0 43.5 dB
= 4.5V
OUT
VCC = 6.5V, V
rms
OUT
= 1.0V
THD = 10% – 6 – V
BW = 20Hz to 20kHz, Rg = 1kΩ – 100 200 µVrms
rms
rms
25V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
400mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–25° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5 20 25 V
– 16.5 – mA
– 0.5 1.0 %
– 1.0 – %
rms
– 30 – kΩ
Note 1. In regard to the value of voltage gain (closed loop), it is possible to be classified.
Pin Connection Diagram
(Front View)
7
Feedback
6
V
CC
5
Output
4
GND
Bypass
3
2
Bypass
1
Input
.128 (3.2)
.099
(2.5)
Min
.012 (0.25)
.700 (17.8) Max
.323
17
(8.2)
Max
.100 (2.54)
.600 (15.24)
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