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LANSDALE Semiconductor

MC3371 Datasheet Preview

MC3371 Datasheet

(MC3371 / MC3372) Low Power Narrowband FM IF

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ML3371
ML3372
Low Power
Narrowband FM IF
Legacy Device: Motorola MC3371, MC3372
The ML3371 and ML3372 perform single conversion FM
reception and consist of an oscillator, mixer, limiting IF amplifi-
er, quadrature discriminator, active filter, squelch switch, and
meter drive circuitry. These devices are designed for use in FM
dual conversion communication equipment. The ML3371/ML3372
are similar to the Motorola MC3361/MC3357 FM IFs, except
that a signal strength indicator replaces the scan function control-
ling driver which is in the MC3361/MC3357. The ML3371 is
designed for the use of parallel LC components, while the
ML3372 is designed for use with either a 455 kHz ceramic dis-
criminator, or parallel LC components.
These devices also require fewer external parts than earlier
products. The ML3371 and ML3372 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
• Operating Temperature Range TA = –30° to +70°C
MAXIMUM RATINGS
Rating
Pin Symbol
Value
Unit
Power Supply Voltage
RF Input Voltage (VCC
www.DDeatteacStohreIentp4uUt.Vcoomltage
Squelch Input Voltage
(VCC 4.0 Vdc)
4.0 Vdc)
4 VCC(max)
16 V16
8 V8
12 V12
10
1.0
1.0
6.0
Vdc
Vrms
Vpp
Vdc
Mute Function
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.
16
1
P DIP 16 = EP
PLASTIC PACKAGE
CASE 648
16
1
SO 16 = -5P
PLASTIC PACKAGE
CASE 751B
(SO–16)
CROSS REFERENCE/ORDERING INFORMATION
PACKAGE
MOTOROLA
LANSDALE
P DIP 16
SO 16
P DIP 16
SO 16
MC3371P
MC3371D
MC3372P
MC3372D
ML3371EP
ML3371-5P
ML3372EP
ML3372-5P
Note: Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from ML to MLE.
PIN CONNECTIONS
Crystal Osc
1
2
Mixer Output 3
VCC 4
Limiter Input 5
Decoupling
6
7
Quad Coil 8
ML3371
(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
ML3372
(Top View)
16 Mixer Input
15 Gnd
14 Mute
13 Meter Drive
12 Squelch Input
11 Filter Output
10 Filter Input
9 Recovered Audio
Page 1 of 19
www.lansdale.com
Issue A




LANSDALE Semiconductor

MC3371 Datasheet Preview

MC3371 Datasheet

(MC3371 / MC3372) Low Power Narrowband FM IF

No Preview Available !

ML3371, ML3372
LANSDALE Semiconductor, Inc.
RECOMMENDED OPERATING CONDITIONS
Rating
Pin Symbol
Supply Voltage
(@ TA = 25°C) 4
( –30°C TA +75°C)
VCC
RF Input Voltage
16 Vrf
RF Input Frequency
16 frf
Oscillator Input Voltage
1 Vlocal
Intermediate Frequency
– fif
Limiter Amp Input Voltage
5 Vif
Filter Amp Input Voltage
10 Vfa
Squelch Input Voltage
12 Vsq
Mute Sink Current
14 lsq
Ambient Temperature Range
– TA
Value
Unit
2.0 to 9.0
2.4 to 9.0
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
– VNQS – 3.5 –
– AFO
120 200 320
Recovered Audio Drop Voltage Loss
Vrf = –30 dBm, VCC = 4.0 V to 2.0 V
– AFloss
–8.0 –1.5
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
www.DataMSihxeeer tC4oUn.cvoemrsion Gain
Vrf = –40 dBm, RL = 1.8 k
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
Signal to Noise Ratio
Vrf = –30 dBm
– s/n
36 67
Total Harmonic Distortion
Vrf = –30 dBm, BW = 400 Hz to 30 kHz
– THD
– 0.6 3.4
Detector Output Impedance
Detector Output Voltage (No Modulation)
Vrf = –30 dBm
9 ZO – 450 –
9 DVO
– 1.45 –
Meter Drive
Vrf = –100 to –40 dBm
13 MO
– 0.8 –
Meter Drive Dynamic Range
RFIn
IFIn (455 kHz)
Mixer Third Order Input Intercept Point
f1 = 58.125 MHz
f2 = 58.1375 MHz
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
Page 2 of 19
www.lansdale.com
Issue A


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

MC3371 Datasheet PDF






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