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