1470

NTE1470
Integrated Circuit
Audio Power Amp, 2.5W
for Table Top Stereo
Features:
D High Gain 50dB
D Low Distortion, Low Noise
D Wide Range of Operation Voltage.
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Allowable Power Dissipation, Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5W
With Additional Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0W
Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40° to +150°C
Recommended Operating Characteristics: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V
Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω
Electrical Characteristics: (TA = +25°C, VCC = 14V, RL = 8Ω, f = 1kHz, Rg = 600Ω unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
-
20
-
mA
Quiescent Current
ICCO
Voltage Gain
VG
Closed Loop
-
50
-
dB
Output Power
PO
THD = 10%
2.0
2.5
-
W
THD
PO = 0.5W
-
0.3
1.0
%
-
100k
-
Ω
-
1
3
mV
Total Harmonic Distortion
Input Resistance
Output Noise Voltage
ri
VNO
Rg = 10k ohm
Pin Connection Diagram
Tab
VCC 1
14 Output
Decouple 2
Bypass 3
13 N.C.
12 GND
20pF Cap 4
11 DO NOT USE
20pF Cap 5
10 N.C.
Bias 6
9 Input
Feedback 7
8 N.C.
.099 (2.52)
14
8
.252
(6.45)
1
.082 (2.1) Dia
.265
(6.5)
7
.748 (19.0)
.300
(7.62)
.167
(4.26)
.100 (2.54)
.236 (6.0)
.137 (3.5)
Similar pages
1004