NJM2543

NJM2540/2543 www.DataSheet4U.com Mixer and Oscillator for TV Tuner „ DESCRIPTION The NJM2540/43 are mixer/oscillator especially designed for TV tuners and consists of mixers, oscillators, IF amplifier and OSC buffer for VHF,UHF and CATV band, built into one chip. The NJM2540/43 packaging in SSOP16 are suitable for small-sized tuners. The NJM2543 is the reverse pin assignment type of the NJM2540. „ FEATURES Operating Voltage 5V Mixers, Oscillators, IF AMP and OSC buffer on chip Bipolar Technology Package Outline: SSOP16 „ PACKAGE OUTLINE NJM2540V/NJM2543V „ BLOCK DIAGRAM MIXOUT2 MIXOUT1 VHFIN2 UHFIN2 VHFIN1 UHFIN1 IFOUT (8) 9 IF AMP U/V SW 8 (9) U/V SW (1) 16 (2) 15 (3) 14 (4) 13 (5) 12 (6) 11 (7) 10 UHF MIX VHF MIX VHF OSC UHF OSC OSC BUFF 1 (16) VHFOSC1 2 (15) VHFOSC2 3 (14) VOSC 4 (13) UHFOSC1 5 (12) UHFOSC2 6 (11) GND 7 (10) OSCOUT (Note) Pin numbers in circle are for NJM2540 Pin numbers in parenthesis are for NJM2543 VCC -1- NJM2540/2543 www.DataSheet4U.com „ ABSOLUTE MAXIMUM RATINGS Parameter Symbol Supply Voltage Vcc Power Dissipation PD Operating Temperature Range Storage Temperature Range Topr Tstg Ratings 7 *550 -20 to +75 -40 to +150 (TA=25°C) Unit V mW °C °C (TA =25°C) Max. Unit 5.5 V * Test IC soldered on PC board „ RECOMMENDED OPERATING VOLTAGE RANGE Parameter Condition Operating Voltage „ ELECTRICAL CHARACTERISTICS (Note 1) Parameter Condition Operating Current VHF OSC only, No RF input Operating Current UHF OSC only, No RF ...