NTE1458 查看數據表（PDF） - NTE Electronics
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NTE1458 Datasheet PDF : 2 Pages
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NTE1458
Integrated Circuit
Dual Audio Preamp
Absolute Maximum Ratings:
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA
Power Dissipation (TA = +75°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270mW
Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40 to +125°C
Recommended Operating Condition:
Parameter
Symbol
Supply Voltage
VCC
Test Conditions
Min Typ Max Unit
6.0 13.2 17.0 V
Electrical Characteristics: (TA = +25°C, VCC = 13.2V, f = 1kHz, RL = 10kΩ unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Open Loop Voltage Gain
Voltage Gain
ICC υi = 0
Aυo υo = 0.3V
Aυ υo = 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
VOM
THD
Zin
υnin
THD = 1%, NAB = 45dB
υo = 0.3V, NAB = 45dB
RG = 2.2kΩ, NAB = 45dB,
BPF (15Hz to 30kHz)
1.0 1.6 – Vrms
– 0.13 0.3 %
50 100 – kΩ
– 1.2 2.0 µVrms
Crosstalk
Channel Balance
υo = 1V, NAB = 45dB, RG = 2.2kΩ
υo = 0.3V
– –65 – dB
–0.5 0 +0.5 dB
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