NTE1210
Integrated Circuit
Preamp
w
/ALC
Description:
The NTE1210 is a lownoise, highgain preamplifier with a builtin ALC (automatic level control) cir-
cuit in a 9Lead SIP type package designed for use as a record/playback preamp in cassette tape
recorders.
Features:
D
Wide ALC Range
D
Wide Range of Working Power Supply Voltage: 3V to 12V
D
High Gain, Low Distortion, and Low Noise
Absoulte Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Power Supply Voltage, V
CC
15V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
D
55mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
C
5.5mW/
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opr
25
to +75
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
55
to +125
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
A
= +25
C, V
CC
= 5V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
I
CC
S
1
= 2, S
2
= 1, S
3
= 1
0.5
1.1
2.2
mA
Voltage Gain (Open Loop)
G
VO
f = 1kHz, S
1
= 2, S
2
= 2, S
3
= 1
70
dB
Output Noise Voltage
V
NO
BW = 30Hz to 20kHz, S
1
= 2, S
2
= 2, S
3
= 1
70
100
V
rms
Total Harmonic Distortion
THD
f = 1kHz, S
1
= 1, S
2
= 2, S
3
= 1
0.12
0.3
%
Maximum Output Voltage
V
OM
f = 1kHz, S
1
= 1, S
2
= 2, S
3
= 1
0.7
1.0
V
rms
ALC Voltage
V
C
S
1
= 1, S
2
= 2, S
3
= 2
0.2
1.0
V
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