1523

NTE1523
Integrated Circuit
Dual, Low Noise Preamp
Features:
D General–Purpose Pre–Amplifier
D Low Noise Dual Pre–Amplifier
D Low Noise 1.2µVrms Equivalent Input Noise
D Channel Separation 55dB (Min)
D Operating Supply Voltage Range: VCC = 6V to 15V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Electrical Characteristics: (VCC = 8V, RL = 10kΩ, Rg = 600Ω, f = 1kHz, TA = +25°C unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Current
ICC
VIN = 0
–
7.5
14
mA
Voltage Gain (Open Loop)
GVO
Rf = 0/Cf = 100µF
62
70
–
dB
Maximum Output Voltage
VOM
THD = 0.5%
1.2
1.95
–
Vrms
Input Resistance
RIN
–
50
–
kΩ
Equivalent Input Noise Voltage
VNI
Rg = 2.2kΩ
–
1.2
2.7
µVrms
Cross Talk
CT
f = 10kHz, Rg = 2.2kΩ
–55
–65
–
dB
Pin Connection Diagram
(Front View)
9 Ch 2 Input
8 Feedback
7 Ch 2 Output
6 VCC
5 GND
4 Bypass
3 Ch 1 Output
2 Feedback
1 Ch 1 Input
.126 (3.2)
.323
(8.2)
Max
.100
(2.54)
.906 (23.0) Max
1
9
.020 (0.50)
.800 (20.3)
.099
(2.5)
Min
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