TD7623AFN

TD7623AFN TENTATIVE TOSHIBA BIPOLAR DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC TD7623AFN 3-WIRE AND I2C BUS SYSTEM, 2.3 GHz DIRECT TWO MODULUS-TYPE FREQUENCY SYNTHESIZER FOR CATV The TD7623AFN can be combined with a micro CPU to create a highly functional frequency synthesizer. The control data conforms to 3-wire bus and standard I2C bus formats. BUS-SW can be used to easily switch for easy tuner system set-up. FEATURES l Direct two modulus-type frequency synthesizer l Standard I2C bus format control with built-in read mode l 3-wire bus 27-bit format control l 4-bit bandswitch drive transistor l 5-level A / D converter (when I2C bus selected) l Frequency step : 50 kHz, 62.5 kHz, 250 kHz, and 333.3 kHz (at 4 MHz X'tal used) l Phase lock detector l Various function settings via program data l Four address settings via address selector (when I2C bus selected) l Power on reset circuit l Flat, compact package : SSOP16 (0.65 mm pitch) l Power on reset operation condition Bandswitch register 1 to 4 : OFF Tuning amplifier : ON Tuning Voltage output (Vt) : High Level Charge-pump output current : ±200 µA Phase comparator reference frequency divider ratio : 1 / 80 Weight: 0.07 g (Typ.) Note: These devices are easy to be damaged by high static voltage or electric fields. In regards to this, please handle with care. To input sub features items. 000707EBA1 · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semi...