U2789B-AFS

Features:

Very low current consumption (typical 3 V/12 mA)
Supply voltage range 2.7 V 5.5 V
Maximum input frequency PLL1: 2000 MHz, PLL2: 200 MHz
2 pins for separate power down functions
Output for PLL lock status
Prescaler 32/33 for PLL1 and 8/9 for PLL2
SSO20 package
ESD protected according to MIL-STD 833 method 3015 cl.2


Pinout




Specifications

Parameters	Symbol	Value	Unit
Supply voltage      Pins 2, 4 and 17	VS, VScp	6	V
Input voltage        Pins 1, 3, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20	Vi	0 to VS	V
Junction temperature	Tj	125	°C
Storage-temperature range	Tstg	40 to +125	°C

Description

U2789B is a low power twin PLL manufactured with TEMIC's advanced UHF process. The maximum operating frequency is 2000 MHz and 200 MHz respectively. It features a wide supply voltage range from 2.7 to 5.5 V. Prescaler and power down function for both PLL's is integrated. Applications of U2789B are wireless telephones, e.g. DECT phones.