NTE1578
Integrated Circuit
FM Mixer/IF Amp
Description:
The NTE1578 is an FM front鈥揺nd integrated circuit in a 16鈥揕ead DIP type package designed for use
in car radio and home stereo applications. This device has a built鈥搃n AGC driver circuit which im-
proves interference characteristics. It thereby offers advantages such as improved interference char-
acteristics without sacrificing usable sensitivity and the conventional DX鈥揕OCAL change鈥搊ver
switch.
Features:
D
Double鈥揃alanced Type MIX (Improved Spurious Characteristic)
D
Keyed AGC/Keyed Classical AGC (Improved Intermodulation, Cross Modulation Characteristic)
D
Differential IF Amplification (Improved Limiting Characteristic)
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Maximum Supply Voltage (Pin12, Pin15), V
CC1
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.5V
Maximum Supply Voltage (Pin5, Pin6), V
CC2
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Allowable Power Dissipation (T
A
鈮?/div>
+50擄C, Note 1), P
D
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600mW
Operating Temperature Range, T
opg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +70擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +125擄C
Note 1. P
D
max = 460mW at T
A
= +70擄C
Recommended Operation Condition:
(T
A
= +25擄C unless otherwise specified)
Recommended Supply Voltage (Pin12, Pin15), V
CC1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V
Recommended Supply Voltage (Pin5, Pin6), V
CC2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13V
Electrical Characteristics:
(T
A
= +25擄C, V
CC1
= 8V, V
CC2
= 13V unless otherwise specified)
Parameter
Dissipation Current
Local OSC Input Offset
MIX Input Offset
MIX Output Offset
High Level AGC Output
Low Level AGC Output
Symbol
I
CC1
I
CC2
鈭哣
INOSC
鈭哣
INMIX
鈭咺
OUT MIX
V
AGC H
V
AGC L
V
i
= 0dBu, V
CL
= 4V
V
i
= 100dB, V
CL
= 4V
Test Conditions
Pin 12, 15
Pin 5, 6
Min
17
5
鈥?0
鈥?0
鈥?00
7.6
鈥?/div>
Typ
25
8
0
0
0
7.9
0.5
Max
36
11
20
20
600
鈥?/div>
1
Unit
mA
mA
mV
mV
碌A(chǔ)
V
V
1
2
