NTE1468 Integrated Circuit Audio, Low Power Output … Integrated Circuit Audio, Low Power Output...
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NTE1468 Integrated Circuit Audio, Low Power Output Amplifier Applications : D Line Output Amplifier D Recording Head Driver and Headphone Driver of Tape Recorder Deck. Features : D Low Noise: V NI = 1µV rms D Wide Operating Supply Voltage Range: V CC = 3.5 to 25V D 150mW Audio Output Power at V CC = 20V, R L = 150Ω Absolute Maximum Ratings : (T A = +25°C unless otherwise specified) Supply Voltage, V CC 25V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Dissipation, P D 400mW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Derated Above 25°C 4mW/°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Temperature Range, T opr –25° to +75°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature Range, T stg –55° to +125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electrical Characteristics : (V CC = 20V, T A = +25°C, R L = 150Ω, R f = 600Ω, f = 1kHz unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Operating Supply Voltage Range V CCopr 3.5 20 25 V Supply Current I CC f = 1kHz, V OUT = 0 – 4.0 6.0 mA f = 1kHz, V OUT = 4.5V rms – 16.5 – mA Voltage Gain (Open Loop) G VO R f = 0Ω – 63 – dB Voltage Gain (Closed Loop) G V Note 1 36.5 40.0 43.5 dB Total Harmonic Distortion THD V OUT = 4.5V rms – 0.5 1.0 % V CC = 6.5V, V OUT = 1.0V rms – 1.0 – % Maximum Output Voltage V OM THD = 10% – 6 – V rms Input Resistance R IN – 30 – kΩ Output Noise Voltage V NO BW = 20Hz to 20kHz, Rg = 1kΩ – 100 200 µVrms Note 1. In regard to the value of voltage gain (closed loop), it is possible to be classified.
Transcript of NTE1468 Integrated Circuit Audio, Low Power Output … Integrated Circuit Audio, Low Power Output...
NTE1468Integrated Circuit
Audio, Low Power Output Amplifier
Applications: Line Output Amplifier Recording Head Driver and Headphone Driver of Tape Recorder Deck.
Features: Low Noise: VNI = 1µVrms Wide Operating Supply Voltage Range: VCC = 3.5 to 25V 150mW Audio Output Power at VCC = 20V, RL = 150Ω
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)Supply Voltage, VCC 25V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Dissipation, PD 400mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derated Above 25°C 4mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Temperature Range, Topr –25° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature Range, Tstg –55° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (VCC = 20V, TA = +25°C, RL = 150Ω, Rf = 600Ω, f = 1kHz unlessotherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Operating Supply Voltage Range VCCopr 3.5 20 25 V
Supply Current ICC f = 1kHz, VOUT = 0 – 4.0 6.0 mA
f = 1kHz, VOUT = 4.5Vrms – 16.5 – mA
Voltage Gain (Open Loop) GVO Rf = 0Ω – 63 – dB
Voltage Gain (Closed Loop) GV Note 1 36.5 40.0 43.5 dB
Total Harmonic Distortion THD VOUT = 4.5Vrms – 0.5 1.0 %
VCC = 6.5V, VOUT = 1.0Vrms – 1.0 – %
Maximum Output Voltage VOM THD = 10% – 6 – Vrms
Input Resistance RIN – 30 – kΩ
Output Noise Voltage VNO BW = 20Hz to 20kHz, Rg = 1kΩ – 100 200 µVrms
Note 1. In regard to the value of voltage gain (closed loop), it is possible to be classified.
VCC
Pin Connection Diagram(Front View)
Input
Feedback
Output
Bypass
GND
Bypass
7
6
5
4
3
2
1
1 7
.700 (17.8) Max
.600 (15.24)
.323(8.2)Max
.100 (2.54).012 (0.25)
.128 (3.2)
.099(2.5)Min
