NTE1458 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Dual Audio Preamp

NTE1458
Integrated Circuit
Dual Audio Preamp
Absolute Maximum Ratings:
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Supply Current, I_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA
Power Dissipation (T_A = +75°C), P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270mW
Operating Temperature Range, T_opt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +75°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40 to +125°C
Recommended Operating Condition:
Parameter
Symbol
Supply Voltage
V_CC
Test Conditions
Min Typ Max Unit
6.0 13.2 17.0 V
Electrical Characteristics: (T_A = +25°C, V_CC = 13.2V, f = 1kHz, R_L = 10kΩ unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Open Loop Voltage Gain
Voltage Gain
I_CC υ_i = 0
Aυo υ_o = 0.3V
Aυ υ_o = 0.3V, NAB = 45dB
2.5 3.3 5.5 mA
78 88 – dB
– 45 – dB
Maximum Output Voltage
Total Harmonic Distortion
Input Impedance
Equivalent Input Noise Voltage
V_OM
THD
Z_in
υ_nin
THD = 1%, NAB = 45dB
υ_o = 0.3V, NAB = 45dB
R_G = 2.2kΩ, NAB = 45dB,
BPF (15Hz to 30kHz)
1.0 1.6 – V_rms
– 0.13 0.3 %
50 100 – kΩ
– 1.2 2.0 µV_rms
Crosstalk
Channel Balance
υ_o = 1V, NAB = 45dB, R_G = 2.2kΩ
υ_o = 0.3V
– –65 – dB
–0.5 0 +0.5 dB