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MC3372 Datasheet

(MC3371 / MC3372) Low Power Narrowband FM IF

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Low Power
Narrowband 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.
These devices also require fewer external parts than earlier products. The
MC3371 and MC3372 are available in dual–in–line and surface mount
packaging.
Wide Operating Supply Voltage Range: VCC = 2.0 to 9.0 V
Input Limiting Voltage Sensitivity of –3.0 dB
Low Drain Current: ICC = 3.2 mA, @ VCC = 4.0 V, Squelch Off
Minimal Drain Current Increase When Squelched
Signal Strength Indicator: 60 dB Dynamic Range
Mixer Operating Frequency Up to 100 MHz
Fewer External Parts Required than Earlier Devices
Order this document by MC3371/D
MC3371
MC3372
LOW POWER
FM IF
16
1
P SUFFIX
PLASTIC PACKAGE
CASE 648
16
1
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
MAXIMUM RATINGS
Rating
Pin Symbol
Value
Unit
Power Supply Voltage
qRF Input Voltage (VCC 4.0 Vdc)
Detector Input Voltage
4 VCC(max)
16 V16
8 V8
10
1.0
1.0
Vdc
Vrms
Vpp
Squelch Input Voltage
q(VCC 4.0 Vdc)
12 V12
6.0 Vdc
www.DataSMhueteet4FUu.nccotimon
Mute Sink Current
14 V14
14 l14
–0.7 to 10
50
Vpk
mA
Junction Temperature
– TJ
150 °C
Storage Temperature Range
– Tstg –65 to +150 °C
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.
16
1
DTB SUFFIX
PLASTIC PACKAGE
CASE 948F
(TSSOP–16)
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC3371D
MC3371DTB
MC3371P
MC3372D
TA = –30° to +70°C
SO–16
TSSOP–16
Plastic DIP
SO–16
MC3372DTB
MC3372P
TSSOP–16
Plastic DIP
PIN CONNECTIONS
Crystal Osc
1
2
Mixer Output 3
VCC 4
Limiter Input 5
Decoupling
6
7
Quad Coil 8
MC3371
(Top View)
16 Mixer Input
15 Gnd
14 Mute
13 Meter Drive
12 Squelch Input
11 Filter Output
10 Filter Input
9 Recovered Audio
Crystal Osc
1
2
Mixer Output 3
VCC 4
Limiter Input 5
Decoupling 6
Limiter Output 7
Quad Input 8
MC3372
(Top View)
16 Mixer Input
15 Gnd
14 Mute
13 Meter Drive
12 Squelch Input
11 Filter Output
10 Filter Input
9 Recovered Audio
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 1
1


Motorola Electronic Components Datasheet

MC3372 Datasheet

(MC3371 / MC3372) Low Power Narrowband FM IF

No Preview Available !

MC3371 MC3372
RECOMMENDED OPERATING CONDITIONS
Rating
Pin Symbol
p pSupply Voltage
(@ TA = 25°C) 4
( –30°C TA +75°C)
VCC
RF Input Voltage
RF Input Frequency
Oscillator Input Voltage
Intermediate Frequency
Limiter Amp Input Voltage
16 Vrf
16 frf
1 Vlocal
– fif
5 Vif
Filter Amp Input Voltage
Squelch Input Voltage
Mute Sink Current
Ambient Temperature Range
10 Vfa
12 Vsq
14 lsq
– TA
Value
2.0 to 9.0
2.4 to 9.0
Unit
Vdc
0.0005 to 10 mVrms
0.1 to 100 MHz
80 to 400 mVrms
455 kHz
0 to 400 mVrms
0.1 to 300 mVrms
0 or 2
Vdc
0.1 to 30
mA
–30 to +70 °C
AC ELECTRICAL CHARACTERISTICS (VCC = 4.0 Vdc, fo = 58.1125 MHz, df = ±3.0 kHz, fmod = 1.0 kHz, 50 source,
flocal = 57.6575 MHz, Vlocal = 0 dBm, TA = 25°C, unless otherwise noted)
Characteristic
Pin Symbol Min Typ Max
Input for 12 dB SINAD
Matched Input – (See Figures 11, 12 and 13)
Unmatched Input – (See Figures 1 and 2)
– VSIN
– 1.0 –
– 5.0 15
Input for 20 dB NQS
Recovered Audio Output Voltage
Vrf = –30 dBm
Recovered Audio Drop Voltage Loss
Vrf = –30 dBm, VCC = 4.0 V to 2.0 V
Meter Drive Output Voltage (No Modulation)
Vrf = –100 dBm
Vrf = –70 dBm
Vrf = –40 dBm
Filter Amp Gain
Rs = 600 , fs = 10 kHz, Vfa = 1.0 mVrms
Mixer Conversion Gain
Vrf = –40 dBm, RL = 1.8 k
www.DataSShigeneat4l Uto.cNoomise Ratio
Vrf = –30 dBm
Total Harmonic Distortion
Vrf = –30 dBm, BW = 400 Hz to 30 kHz
Detector Output Impedance
Detector Output Voltage (No Modulation)
Vrf = –30 dBm
Meter Drive
Vrf = –100 to –40 dBm
Meter Drive Dynamic Range
RFIn
IFIn (455 kHz)
Mixer Third Order Input Intercept Point
f1 = 58.125 MHz
f2 = 58.1375 MHz
– VNQS – 3.5 –
– AFO
120 200 320
– AFloss
–8.0 –1.5
13 MDrv
MV1 – 0.3 0.5
MV2 1.1 1.5 1.9
MV3 2.0 2.5 3.1
– AV(Amp)
47
50
– AV(Mix)
14
20
– s/n
36 67
– THD
– 0.6 3.4
9 ZO – 450 –
9 DVO
– 1.45 –
13 MO
– 0.8 –
13 MVD
– 60 –
– 80 –
– ITOMix
– –22 –
Mixer Input Resistance
Mixer Input Capacitance
16 Rin
16 Cin
– 3.3 –
– 2.2 –
Unit
µVrms
µVrms
mVrms
dB
Vdc
dB
dB
dB
%
Vdc
µA/dB
dB
dBm
k
pF
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number MC3372
Description (MC3371 / MC3372) Low Power Narrowband FM IF
Maker Motorola
PDF Download

MC3372 Datasheet PDF






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