NTE1659
Integrated Circuit
Dual AF Preamplifier
Description:
The NTE1659 is a monolithic 2channel preamplifier integrated circuit in a 8Lead SIP type package
suitable for car stereo applications.
Features:
D
Low Noise
D
Wide Power Supply Voltage Range
D
BuiltIn Bias Circuit Reqiuires Fewer External Components
D
High OpenLoop Voltage Gain
D
Excellent Channel Balance
Applications:
D
Car Stereo, Home Stereo, and other Preamplifier Applications
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Supply Voltage, V
CC
18V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (T
A
= +25
), P
d
500mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
C
5mW/
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opr
25
to +75
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
55
to +125
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions: (T
A
= +25
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Voltage
V
CC
6
16
V
Electrical Characteristics: (T
A
= +25
C, V
CC
= 8V, f = 1kHz, R
L
= 10k
, R
N
= 100
unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
I
Q
V
IN
= 0V
rms
2
5
8
mA
OpenLoop Voltage Gain
G
VO
V
OUT
= 0.3V
rms
65
80
dB
Maximum Output Voltage
V
OM
THD = 1%
1.0
1.5
V
rms
Input Impedance
Z
IN
50
k
Total Harmonic Distortion
THD
V
OUT
= 0.3V
rms
0.1
0.3
%
Noise Voltage Refered to Input
V
NIN
R
g
= 2.2k
, BPF (30Hz to 20kHz)
1.2
2.0
V
rms
Crosstalk
CT
V
OUT
= 0.3V
rms
, R
g
= 2.2k
65
50
dB
Channel Balance
CB
V
OUT
= 0.3V
rms
0
1.5
dB
Pin Connection Diagram
(Front View)
V
CC
NFB 2
Input 1
Output 2
8
7
6
5
GND
4
3
Output 1
2
NFB 1
1
Input 2
.768 (19.52) Max
.118 (3.0) Max
1
8
.700 (17.78)
.100 (2.54) Typ
.165
(4.2)
Min
.264
(6.72)
Max
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