Document
Ordering number : EN5608
CMOS LSI
LC72136N, 72136NM
PLL Frequency Synthesizer for Electronic Tuning
Overview
The LC72136N and LC72136NM are PLL frequency synthesizers for use in radio/cassette players. They allow high-performance AM/FM tuners to be implemented easily.
Package Dimensions
unit: mm 3059-DIP22S
[LC72136N]
Features
• High-speed programmable frequency divider — FMIN: 10 to 160 MHz.....Pulse swallower (divide-by-two prescaler built in) — AMIN: 2 to 40 MHz.........Pulse swallower 0.5 to 10 MHz......Direct division • IF counter IFIN: 0.4 to 12 MHz................For use as an AM/FM IF counter • Reference frequency — Selectable from one of eight frequencies (crystal oscillator: 75 kHz) 1, 3, 5, 3.125, 6.25, 12.5, 15, and 25 kHz • Phase comparator — Supports dead zone control — Built-in unlock detection circuit — Built-in deadlock clear circuit • Built-in MOS transistor for forming an active low-pass filter • I/O ports — Dedicated output ports: 6 — I/O ports: 2 — Supports clock time base output • Serial Data I/O — Supports CCB format communication with the system controller. • Operating ranges — Supply voltage: 4.5 to 5.5 V — Operating temperature: –20 to +70°C • Packages —DIP22S/MFP24S
• CCB is a trademark of SANYO ELECTRIC CO., LTD. • CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO.
SANYO: DIP22S
unit: mm 3112-MFP24S
[LC72136NM]
SANYO: MFP24S
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
N3096HA (OT) No. 5608-1/23
LC72136N, 72136NM Pin Assignments
No. 5608-2/23
LC72136N, 72136NM Block Diagram
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Parameter Maximum supply voltage Symbol VDD max VIN1 max Maximum input voltage VIN2 max VIN3 max VO1 max Maximum output voltage VO2 max VO3 max IO1 max Maximum output current IO2 max IO3 max Allowable power dissipation Operating temperature Storage temperature Pd max Topr Tstg VDD CE, CL, DI, AIN XIN, FMIN, AMIN, IFIN IO1, IO2 DO XOUT, PD BO1 to BO5, BOF, IO1, IO2, AOUT BO1 AOUT, DO BO2 to BO5, BOF, IO1, IO2 Ta ≤ 70°C: LC72136N (DIP22S) Ta ≤ 70°C: LC72136NM (MFP24S) Conditions Ratings –0.3 to +7.0 –0.3 to +7.0 –0.3 to VDD + 0.3 –0.3 to +15 –0.3 to +7.0 –0.3 to VDD + 0.3 –0.3 to +15 0 to 3.0 0 to 6.0 0 to 10.0 350 200 –20 to +70 –40 to +125 Unit V V V V V V V mA mA mA mW mW °C °C
No. 5608-3/23
LC72136N, 72136NM Allowable Operating Ranges at Ta = –20 to +70°C, VSS = 0 V
Parameter Supply voltage Input high-level voltage Input low-level voltage Output voltage Symbol VDD VIH1 VIH2 VIL V O1 V O2 fIN1 fIN2 Input frequency fIN3 fIN4 fIN5 VIN1 VIN2-1 VIN2-2 Input amplitude VIN3 VIN4 VIN5-1 VIN5-2 VDD CE, CL, DI IO1, IO2 CE, CL, DI, IO1, IO2 DO BO1 to BO5, BOF, IO1, IO2, AOUT XIN: VIN1 FMIN: VIN2 AMIN: VIN3, SNS = 1 AMIN: VIN4, SNS = 0 IFIN: VIN5 XIN: fIN1 FMIN: f = 10 to 130 MHz FMIN: f = 130 to 160 MHz AMIN: fIN3, SNS = 1 AMIN: fIN4, SNS = 0 IFIN: fIN5, IFS.