NTE1221
Integrated Circuit
Stereo Preamp
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Maximum Supply Voltage, V
CC
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V
Collector鈥揃ase Voltage (Q1), V
CBO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Collector鈥揈mitter Voltage (Q1), V
CEO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Emitter鈥揃ase Voltage (Q1), V
EBO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V
Collector Current (Q1), I
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25mA
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +70擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +125擄C
Recommended Operatin Conditions:
(T
A
= +25擄C unless otherwise specified)
Recommended Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Electrical Characteristics:
(T
A
= +25擄C, V
CC
= 6V, f = 1kHz unless otherwise specified)
Parameter
Dissipation Current
Voltage Gain
Output Voltage
Bandwidth
Total Harmonic Distortion
Input Resistance
Output Resistance
Crosstalk
Noise Voltage Converted to Input
Transistor Characteristics
Collector Cutoff Current
Emitter Cutoff Current
DC Current Gain
Collector鈥揈mitter Saturation Voltage
I
CBO
I
EBO
h
FE
V
CB
= 15V
V
EB
= 4V
V
CB
= 3V, I
C
= 1mA
鈥?/div>
鈥?/div>
70
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
0.5
1.0
1.0
鈥?/div>
鈥?/div>
V
碌A
碌A
Symbol
I
4
, I
13
VG
V
O
BW
THD
r
i
r
o
CT
V
NI
V
CC
= 10V, R
g
= 600鈩? NAB 4.8cm/s
V
i
= 0.5mV
THD = 5%, R
NF
= 100鈩?/div>
V
i
= 0.5mV, 鈥?dB
V
O
= 0.45V, R
NF
= 100鈩?/div>
Test Conditions
Min Typ Max Unit
鈥?/div>
57
1.0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
3.5
61
1.5
400
0.5
90
1
鈥?0
1.0
6.0
鈥?/div>
鈥?/div>
鈥?/div>
0.9
鈥?/div>
鈥?/div>
鈥?/div>
3.0
mA
dB
V
kHz
%
k鈩?/div>
k鈩?/div>
dB
碌V
V
CE(sat)
I
C
= 1mA, I
C
/I
B
= 10mA
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