NTE NTE1228 Datasheet

NTE1228
Integrated Circuit
Audio Power Amp, 2.1W
Features:
D AF Output Power D Sufficient Regulation Under Dry Battery Operation
Absolute Maximum Ratings
Maximum Supply Voltage, V Allowable Power Dissipation, P Allowable Power Dissipation (Note 1), P Operating Temperature Range, T Storage Temperature Range, T
Note 1. With 50 x 50mm
Recommended Operation Condition
Recommended Supply Voltage, V Load Resistance, R
L
Electrical Characteristics
Parameter Symbol Test Conditions Min Typ Max Unit
Quiescent Current I Voltage Gain VG Open Loop 70 dB
: (TA = +25°C unless otherwise specified)
max 13V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CC
max 1.2W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
d
max 2.25W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
d
opr
stg
2
printed board for radiator.
–20° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
: (TA = +25°C unless otherwise specified)
CC
: (TA = +25°C, VCC = 9V, RL = 4Ω, f = 1kHz unless otherwise specified)
CCO
At Appointed Circuit 42 45 48 dB
15 25 mA
9V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4,8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Power P
Total Harmonic Distortion THD PO = 250mW 0.5 1.5 % Input Resistance r Output Noise Voltage V
NO
THD = 10%, RL = 4 1.3 2.1 W
O
THD = 10%, RL = 8 1.4 W
i
Rg = 10k 3 mV Rg = 0 1.0 mV
12k 20k
Pin Connection Diagram
Audio Output
N.C.
GND Equalization Feedback Network Equalization Feedback Network
.099 (2.52)
14 8
1 2
3 4 5 6Series RC Network 7N.C.
14
V
CC
Ripple Filter Capacitor
13
Ripple Filter Capacitor
12 11
N.C. Ripple Filter Capacitor
10
Audio Input
9 8 N.C.
.252
(6.45)
.265
(6.5)
17
.082 (2.1) Dia
.748 (19.0)
.300 (7.62)
.167
(4.26)
.100 (2.54) .137 (3.5)
.236 (6.0)
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