Audio Power Amp, 2.5W
Features:
D High Gain 50dB
D Low Distortion, Low Noise
D Wide Range of Operation Voltage.
NTE1470
Integrated Circuit
for Table Top Stereo
Absolute Maximum Ratings:
Maximum Supply Voltage, V
Allowable Power Dissipation, P
(TA = +25°C unless otherwise specified)
CCmax
dmax
With Additional Heat Sink 3.0W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
Storage Temperature Range, T
opg
stg
Recommended Operating Characteristics:
Recommended Supply Voltage, V
Load Resistance, R
Electrical Characteristics:
L
(TA = +25°C, VCC = 14V, RL = 8Ω, f = 1kHz, Rg = 600Ω unless otherwise
CC
(TA = +25°C unless otherwise specified)
–20° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Quiescent Current I
CCO
– 20 – mA
Voltage Gain VG Closed Loop – 50 – dB
Output Power P
O
THD = 10% 2.0 2.5 – W
Total Harmonic Distortion THD PO = 0.5W – 0.3 1.0 %
20V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8Ω. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Resistance r
Output Noise Voltage V
i
NO
– 100k – Ω
Rg = 10k ohm – 1 3 mV