NTE1477 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit 2 Channel Amplifier for Headphone Use

NTE1477
Integrated Circuit
2 Channel Amplifier for Headphone Use
Description:
The NTE1477 is a integrated circuit in a 14–Lead DIP type package suitable for use as a headphone
driving amplifier in the output amplifier of a tape deck or a tuner.
Features:
D Wide Operating Voltage Range
D Small Pop Noise by Means of Emitter Feedback
D Dual Amplifier Involved–Few Peripheral Parts
D Small Output Noise Voltage
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Maximum Supply Voltage, V_CCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22V
Maximum Supply Current (only Pin2: flow–in; Pin7, 8: flow–out), I_CP . . . . . . . . . . . . . . . . . . . . . 0.5A
Allowable Power Dissipation, P_Dmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.05W
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Recommended Operating Condition: (T_A = 25°±C)
Recommended Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V
Load Resistance, R_L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω or 200Ω
Operating Characteristics: (T_A = +25°C, V_CC = 14V, R_L = 8Ω f = 1kHz, R_g = 600Ω unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Voltage Gain
Output Voltage
Total Harmonic Distortion
Input Resistance
Output Noise Voltage
Channel Separation
Gain Difference
I_CCO
V_G
V_O
THD
r_i
V_NO
V_O = 77.5mV
THD = 10%
V_O = 0.1V
V_O = 0.2V
R_g = 1kΩ, filter: 15 to 30kHz
R_g = 1kΩ
6 8 15 mA
7 9 11 dB
0.58 0.68 – V
– 0.5 1.0 %
20k 30k 40k Ω
– 6 18 µV
–50 –68 – dB
– – 1 dB