2.7GHz FREQUENCY SYNTHESIZER FOR SATELLITE TV

TD7626F and TD7626FN are single-chip frequency synthesizer ICs that can be combined with a µCPU to configure an advanced-function frequency synthesizer system.

TD7626FN comes in a more compact package, pitch 0.65mm.

FEATURES

• High input sensitivity

   fin = 0.5~2.7GHz : −15dBmW (50Ω) (Min.)

• Built-in 1 / 16 prescaler

• Built-in 5-level AD converter

• Built-in simple comparators×3

• Simple control bus (I2C bus)

• Four-address selectable by address selector

• Frequency divider ratio settings : 1 / 512, 1 / 1024

• Built-in power-on reset circuit

• Small flat package version

   : TD7626F : SOP16 (1.27mm pitch)

      TD7626FN : SSOP16 (0.65mm pitch)

   Note: These devices are easy to be damaged by high static voltage or electric fields.

      In regards to this, please handle with care.

• Status after power-on reset

   Band drive P7~P0 : OFF

   Tuning amp : ON

   Tuning voltage output (Vt) : Low level

   Charge pump output current : 50µA

   Reference frequency divider ratio : 1 / 512