Order this document by MC3371/D
LOW POWER
FM IF
The MC3371 and MC3372 perform single conversion FM reception and
consist of an oscillator, mixer, limiting IF amplifier, quadrature discriminator,
active filter, squelch switch, and meter drive circuitry. These devices are
designed for use in FM dual conversion communication equipment. The
MC3371/MC3372 are similar to the MC3361/MC3357 FM IFs, except that a
signal strength indicator replaces the scan function controlling driver which is
in the MC3361/MC3357. The MC3371 is designed for the use of parallel LC
components, while the MC3372 is designed for use with either a 455 kHz
ceramic discriminator, or parallel LC components.
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1
These devices also require fewer external parts than earlier products. The
MC3371 and MC3372 are available in dual–in–line and surface mount
packaging.
P SUFFIX
PLASTIC PACKAGE
CASE 648
• Wide Operating Supply Voltage Range: V
CC
= 2.0 to 9.0 V
• Input Limiting Voltage Sensitivity of –3.0 dB
• Low Drain Current: I = 3.2 mA, @ V
16
= 4.0 V, Squelch Off
CC
CC
1
• Minimal Drain Current Increase When Squelched
• Signal Strength Indicator: 60 dB Dynamic Range
• Mixer Operating Frequency Up to 100 MHz
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
• Fewer External Parts Required than Earlier Devices
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1
MAXIMUM RATINGS
DTB SUFFIX
PLASTIC PACKAGE
CASE 948F
Rating
Power Supply Voltage
RF Input Voltage (V
Pin
4
Symbol
(max)
Value
10
Unit
Vdc
V
CC
V16
4.0 Vdc)
16
8
1.0
Vrms
Vpp
Vdc
(TSSOP–16)
CC
Detector Input Voltage
V8
1.0
ORDERING INFORMATION
Operating
Squelch Input Voltage
12
V12
6.0
(V
CC
4.0 Vdc)
Temperature Range
Device
Package
Mute Function
14
14
–
V
–0.7 to 10
50
V
pk
14
Mute Sink Current
Junction Temperature
l14
mA
°C
MC3371D
MC3371DTB
MC3371P
SO–16
T
J
150
TSSOP–16
Plastic DIP
SO–16
Storage Temperature Range
–
T
stg
–65 to +150
°C
T
= –30° to +70°C
A
NOTES: 1. Devices should not be operated at these values. The “Recommended Operating
Conditions” table provides conditions for actual device operation.
2. ESD data available upon request.
MC3372D
MC3372DTB
MC3372P
TSSOP–16
Plastic DIP
PIN CONNECTIONS
1
16
15
14
13
12
11
10
9
1
2
3
4
Mixer Input
16 Mixer Input
Crystal Osc
Crystal Osc
Gnd
2
3
4
5
6
7
8
15
14 Mute
Gnd
Mute
Mixer Output
Mixer Output
13
12
Meter Drive
V
Meter Drive
V
CC
MC3372
(Top View)
CC
MC3371
(Top View)
Squelch Input
5
6
7
8
Squelch Input
Filter Output
Filter Input
Limiter Input
Limiter Input
Decoupling
11 Filter Output
10 Filter Input
9
Decoupling
Limiter Output
Recovered Audio
Recovered Audio
Quad Coil
Quad Input
Motorola, Inc. 1996
Rev 1
1
MOTOROLA ANALOG IC DEVICE DATA