TDA6508

The TDA6508 is designed as one kind of programmable 3-band mixer oscillator and synthesizer device that can be used in 3-band tuner for terrestrial TV, DVD-R, VCR and PC TV applications. And TDA6508 comprises a 15-bit programmable divider, a crystal oscillator, programmable reference divider, phase comparator.

Features of the TDA6508 are:(1)Single-chip 5 V mixer / oscillator and synthesizer for TV, VCR tuners, DVD-R and PC TV; (2)33 V tuning voltage output; (3)In-lock flag; (4)5-step analog-to-digital converter; (5)15-bit programmable divider; (6)Programmable reference divider ratio (64, 80 or 128); (7)Programmable charge-pump current (20 or 100 mA); (8)Balanced mixer with a common emitter input for LOW band (single input); (9)Balanced mixer with a common emitter input for MID band (balanced input); (10)Balanced mixer with a common base input for HIGH band (balanced input); (11)Weak signal booster; (12)Low power; (13)Low radiation; (14)Small size.

The absolute maximum ratings of the TDA6508 can be summarized as:(1)DC supply voltage: -0.3 to +6 V;(2)operating supply: 4.5 to 5.5 V;(3)PMOS port output voltage: -0.3 to VCC+0.3 V;(4)tuning voltage output: -0.3 to +35 V;(5)serial clock input voltage: -0.3 to +6 V;(6)storage temperature: -40 to +150 °C;(7)ambient temperature: -20 to +85 °C;(8)junction temperature: +150 °C. If you want to know more information such as the electrical characteristics about the TDA6508, please download the datasheet in www.seekic.com or www.chinaicmart.com.