1185

NTE1185
Integrated Circuit
Audio PreAmp
Features:
D Wide Range of Operating Supply Voltage
D High Gain, High Output Power
D Low Distortion and Noise
D Excellent Hum Rejection
D Extremely High Resistance to Damage from Short Circuit of a Load
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27V
Supply Voltage (Note 1), VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V
Supply Current, ICC(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.8W
Operating Temperature Range (Note 1), Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
Note 1. 100 x 100 x 1mm Al heat sink.
Electrical Characteristics: (TA = +25°C, VCC = 18V, f = 1kHz, RL = 8Ω, AV = 52dB unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Current
ICC
V1 = 0
25
35
45
mA
Output Power
PO
THD = 10%
3.0
3.5
−
W
Voltage Gain
AV
PO = 0.5W
49
−
56
dB
Output Current
IOUT
VCC = 12V
−
2.5
−
mA
Total Harmonic Disorder
THD
PO = 0.5W
0.65
1.8
−
%
−
20
−
kΩ
Input Resistance
Rin
Noise Level
NL
RG = 0Ω
−
0.36 0.80 mVrms
Voltage Switch ON
VON
RG = 0Ω, VCC OFF − ON
−
0.4
−
Vp−p
Voltage Switch OFF
VOFF
RG = 0Ω, VCC ON − OFF
−
0.1
−
Vp−p
Pin Connection Diagram
(Front View)
10 Feedback
9 Bypass
8 GND
7 Ripple Bypass
6 Input
5 Compensation Cap
4 Compensation Cap
3 Bypass
2 VCC
1 Output
.985 (25.0)
.532 (13.5)
.158 (4.0)
.886
(22.5)
.160 (4.0) Dia
(3 Holes)
.729
(18.5)
.394
(10.0)
1
10
.413
(10.5)
.100 (2.54)
.900 (22.8)
1.040 (26.4)
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