NTE NTE1472 Datasheet
NTE1472
Integrated Circuit
Audio Power Amplifier, 1W
for Tape Recorder
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, V
Supply Current, I
11
Allowable Power Dissipation, P
(50 x 50 x 1.5mm
3
Operating Temperature Range, T
Storage Temperature Range, T
max 11V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CC
max 1.2W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D
Al heatsink added) 2.25W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
opr
stg
30mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20° to +70°. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions:
Supply Voltage, V
Load Resistance, R
Electrical Characteristics:
CC
L
(TA = +25°C, VCC = 6V, RL = 4Ω (3.2Ω), f = 1kHz, RG = 600Ω unless
(TA = +25°C unless otherwise specified)
4 (3.2) Ω. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Quiescent Current I
Voltage Gain VG – 75 – dB
Output Power P
Input Resistance r
Total Harmonic Distortion THD PO = 250mW – – 1.5 %
Output Noise Volatge V
CCO
O
i
NO
RL = 4Ω, THD = 10% 0.7 1.0 – W
RL = 3.2Ω, THD = 10% 0.8 1.1 – W
RG = 10kΩ – – 2.5 mV
RG = 0Ω – – 0.8 mV
– 15 25 mA
12k 20k – Ω
6V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin Connection Diagram
Tab
Output
N.C.
GND
Feedback
1
2
3
4
5Feedback
6Bypass
N.C.
7
.099 (2.52)
14 8
14
V
CC
Feedback
13
Muting Circuit
12
11 DO NOT USE
Bypass
10
Input
9
8 DO NOT USE
(6.5)
.252
(6.45)
17
.082 (2.1) Dia
.748 (19.0).265
.167
(4.26)
.100 (2.54) .137 (3.5)
.236 (6.0)
.300
(7.62)
Loading...