TD7624AFN

Features:

`Direct two modulus-type frequency synthesizer
`Standard I²C bus format control with built-in read mode
`3-wire bus format control
`18-bit and 19-bit automatic discrimination circuit (when 3-wire bus selected)
`4-bit bandswitch drive transistor
`5-level A / D converter (when I²C bus selected)
`Frequency Step : 31.25 kHz, 50 kHz and 62.5kHz (at 4 MHz X'tal used)
`Phase lock detector
`Four address settings via address selector (when I<sup>2</sup>C bus selected)
`Power on reset circuit
`Flat, compact package : SSOP16 (0.65 mm pitch)
`Power on reset operation condition
   Bandswitch register 1 to 4 : OFF
   Tuning amplifier : ON
   Tuning voltage output (Vt) : Low level
   Charge-pump output current : ±60 µA
   Phase comparator reference frequency divider ratio : 1 / 64

Specifications

CHARACTERISTIC	SYMBOL	RATING	UNIT
Supply Voltage 1	VCC1	6.0	V
Supply Voltage 2	VCC2	12	V
Power Consumption	PD	560	mW
Operating Temperature	Topr	−20~85
Storage Temperature	Tstg	-55~150

Note 1: When using the device at above Ta = 25, decrease the power dissipation by
             4.5 mW for each increase of 1.
Note 2: These devices are easy to be damaged by high static voltage or electric fields.
             In regards to this, please handle with care.


Description

The TD7624AFN 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.