NTE1472 데이터 시트보기 (PDF) - NTE Electronics
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NTE1472 Datasheet PDF : 2 Pages
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NTE1472
Integrated Circuit
Audio Power Amplifier, 1W
for Tape Recorder
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11V
Supply Current, I11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
Allowable Power Dissipation, PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2W
(50 x 50 x 1.5mm3 Al heatsink added) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 (3.2) Ω
Electrical Characteristics: (TA = +25°C, VCC = 6V, RL = 4Ω (3.2Ω), f = 1kHz, RG = 600Ω unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Voltage Gain
ICCO
VG
– 15 25 mA
– 75 – dB
Output Power
Input Resistance
Total Harmonic Distortion
Output Noise Volatge
PO
ri
THD
VNO
RL = 4Ω, THD = 10%
RL = 3.2Ω, THD = 10%
PO = 250mW
RG = 10kΩ
RG = 0Ω
0.7 1.0 – W
0.8 1.1 – W
12k 20k – Ω
– – 1.5 %
– – 2.5 mV
– – 0.8 mV
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