TDA6501 - NXP Semiconductors

TDA6501 (TDA6500 / TDA6501) 5V mixer/oscillator and synthesizer

TDA6500TT and TDA6501TT are programmable 2-mixer, 3-oscillator and synthesizer MOPLLs intended for pure 3-band tuner concepts. The device includes two double balanced mixers for the low and mid/high bands and three oscillators for the low, mid and high bands, respectively. Other functions are an IF amplifier, a wide-band AGC detector and a PLL synthesizer. Tw.

Features

s Single-chip, 5 V mixer/oscillator and synthesizer for TV and VCR tuners s I2C-bus protocol compatible with 3.3 V and 5 V microcontrollers: x Address + 6 data bytes transmission x Address + 1 status byte (I2C-bus read mode) x Four independent I2C-bus addresses s Two PMOS open-drain ports with 5 mA source capability to switch high band and FM sound trap (P2 and P3) s One PMOS open-drain port P1 with 20 mA source capability to switch the mid band s One PMOS open-drain port P0 with 10 mA source capability to switch the low band s Five step, 3-bit Analog-to-Digital Converter (ADC) and NPN open-co.