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ML3372 Datasheet(PDF) 1 Page - LANSDALE Semiconductor Inc. |
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ML3372 Datasheet(HTML) 1 Page - LANSDALE Semiconductor Inc. |
1 / 19 page www.lansdale.com Page 1 of 19 Issue A 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 SO 16 = -5P PLASTIC PACKAGE CASE 751B (SO–16) P DIP 16 = EP PLASTIC PACKAGE CASE 648 16 1 16 1 CROSS REFERENCE/ORDERING INFORMATION MOTOROLA P DIP 16 MC3371P ML3371EP SO 16 MC3371D ML3371-5P P DIP 16 MC3372P ML3372EP SO 16 MC3372D ML3372-5P LANSDALE PACKAGE Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from ML to MLE. MAXIMUM RATINGS Rating Pin Symbol Value Unit Power Supply Voltage 4 VCC(max) 10 Vdc RF Input Voltage (VCC 4.0 Vdc) 16 V16 1.0 Vrms Detector Input Voltage 8 V8 1.0 Vpp Squelch Input Voltage (VCC 4.0 Vdc) 12 V12 6.0 Vdc Mute Function 14 V14 –0.7 to 10 Vpk Mute Sink Current 14 l14 50 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. 8 PIN CONNECTIONS 11 Gnd Mute Crystal Osc Meter Drive Squelch Input Recovered Audio Mixer Input Filter Output 8 Mixer Output Decoupling Quad Coil VCC ML3371 (Top View) 3 2 4 5 6 Limiter Input 10 7 16 1 15 14 13 12 9 Filter Input Decoupling Limiter Output 11 Gnd Mute Crystal Osc Meter Drive Squelch Input Recovered Audio Mixer Input Filter Output Mixer Output Quad Input VCC ML3372 (Top View) 3 2 4 5 6 Limiter Input 10 7 16 1 15 14 13 12 9 Filter Input |
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