NTE1179
Integrated Circuit
Pre−Amplifier with ALC Transistors
Features:
D
Low Noise, Low Distortion
D
Includes ALC Transistor
Absolute Maximum Ratings:
(T
A
= +25°C, V
CC
= 5.5V unless otherwise specified)
Maximum Supply Voltage, V
CCMAX
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5V
Allowable Current Dissipation, I
CCMAX
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Maximum Current of Transistor, I
CCMAX
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA
Allowable Power Dissipation, P
DMAX
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−20
to +60°C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−40
to +125°C
Electrical Characteristics:
(T
A
= +25°C, V
CC
= 5.5V, f = 1kHz, R
L
= 10kΩ, unless otherwise specified)
Parameter
Quiescent Current
Voltage Gain
Output Voltage
Total Harmonic Distortion
Input Resistance
Noise Output Voltage
ALC Rejection
Symbol
I
CCO
V
G
V
O
THD
R
i
V
NO
Input: Recording Head, V
G
= 75dB
Open Loop
Closed Loop
THD = 5%
V
O
= 200mV
Test Conditions
Min
−
56
42
0.7
−
20
−
−
Typ Max Unit
1.1
58
45
1.2
−
−
−
−
−
−
48
−
1.0
−
10
9
mA
dB
dB
V
%
kΩ
mV
dB
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