Maker : LANSDALE Semiconductor
Part No. : ML3372

  Datasheet PDF : ML3372.pdf
  Cross Reference : ML3372 Cross Reference
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Product Information

ML3371 ML3372 www.DataSheet4U.com 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 amplifier, 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 controlling 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 discriminator, 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 Power Supply Voltage RF Input Voltage (VCC Detector Input Voltage Squelch Input Voltage (VCC 4.0 Vdc) Mute Function Mute Sink Current Junction Temperature Storage Temperature Range 4.0 Vdc) Pin 4 16 8 12 14 14 – – Symbol VCC(max) V16 V8 V12 V14 l14 TJ Tstg Value 10 1.0 1.0 6.0 –0.7 to 10 50 150 –65 to +150 Unit Vdc Vrms Vpp Vdc Vpk mA °C °C 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 MOTOROLA PACKAGE LANSDALE P DIP 16 MC3371P ML3371EP SO 16 MC3371D ML3371-5P P DIP 16 MC3372P ML3372EP SO 16 MC3372D 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. NOTES: 1. Devices should not be operated at these values. The “Recommended Operating Conditions” table provides conditions for actual device operation. PIN CONNECTIONS 1 2 16 Mixer Input 15 Gnd 14 Mute ML3371 (Top View) 13 Meter Drive 12 Squelch Input 11 Filter Output 10 Filter Input 9 Recovered Audio Crystal Osc 1 2 16 Mixer Input 15 Gnd 14 Mute ML3372 (Top View) 13 Meter Drive 12 Squelch Input 11 Filter Output 10 Filter Input 9 Recovered Audio Crystal Osc Mixer Output 3 VCC 4 Limiter Input 5 Decoupling 6 7 Mixer Output 3 VCC 4 Limiter Input 5 Decoupling 6 Limiter Output 7 Quad Input 8 Quad Coil 8 Page 1 of 19 www.lansdale.com Issue A ML3371, ML3372 LANSDALE Semiconductor, Inc. www.DataSheet4U.com RECOMMENDED OPERATING CONDITIONS Rating Supply Voltage (@ TA = 25°C) ( –30°C TA +75°C) RF Input Voltage RF Input Frequency Oscillator Input Voltage Intermediate Frequency Limiter Amp Input Voltage Filter Amp Input Voltage Squelch Input Voltage Mute Sink Current Ambient Temperature Range Pin 4 16 16 1 – 5 10 12 14 – Symbol VCC Vrf frf Vlocal fif Vif Vfa Vsq lsq TA Value 2.0 to 9.0 2.4 to 9.0 0.0005 to 10 0.1 to 100 80 to 400 455 0 to 400 0.1 to 300 0 or 2 0.1 to 30 –30 to +70 Unit Vdc mVrms MHz mVrms kHz mVrms mVrms Vdc mA °C AC ELECTRICAL CHARACTERISTICS (VCC = 4.0 Vdc, fo = 58.1125 MHz, df = ±3.0 kHz, fmod = 1.0 kHz, 50 Ω source, flocal = 57.6575 MHz, Vlocal = 0 dBm, TA = 25°C, unless otherwise noted) Characteristic Input for 12 dB SINAD Matched Input – (See Figures 11, 12 and 13) Unmatched Input – (See Figures 1 and 2) 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 Ω , fs = 10 kHz, Vfa = 1.0 mVrms Mixer Conversion Gain Vrf = ...

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