NTE1685 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Dual AF Power Amp, 3.5W

NTE1685
Integrated Circuit
Dual AF Power Amp, 3.5W
Features:
D High Output: 3.5W typ. x 2
D Soft Clip, Causing Little Harmonic Disturbance to Radios
D Small Pop Noise at the Time of Power Switch ON/OFF
D Built–in Protector Against Abnormal Modes (Thermal Shutdown, Overvoltage)
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Maximum Supply Voltage, V_CCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V
Maximum Output Current, I_Opeak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0A
Allowable Power Dissipation, P_dmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5W
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Recommended Operating Conditions: (T_A = +25°C unless otherwise specified)
Recommended Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Operating Supply Voltage Range, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V to 24V
Recommended Load Resistance, R_L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω
Electrical Characteristics: (T_A = +25°C, V_CC = 16V, R_L = 8Ω, f = 1kHz, R_g = 600Ω unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Voltage Gain
Output Power
Total Harmonic Distortion
Output Noise Voltage
Ripple Rejection Ratio
Crosstalk
Channel Balance
I_CCO
V_G
P_O
THD
V_NO
R_r
CT
∆VG
THD = 10%
P_O = 0.5W
R_g = 10kΩ, BW = 20Hz to 20kHz
R_g = 0, V_r = 500mW
R_g = 10kΩ, BW = 20Hz to 20kHz
– 46 62 mA
48 50 52 dB
3.0 3.5 – W
– 0.3 1.0 %
– 0.65 1.5 mW
40 50 – dB
40 55 – dB
– – 1.5 dB