KB8821 - FREQUENCY SYNTHESIZER

Samsung

KB8821 Datasheet Preview — Preview of KB8821 PDF

Datasheet Details

Part number	KB8821
Manufacturer	Samsung
File Size	237.48 KB
Description	FREQUENCY SYNTHESIZER
Datasheet	KB8821_Samsungsemiconductor.pdf

KB8821 Product details

Description

Pin No 1 Symbol VDD1 I/O Description KB8821/22/23 Power supply voltage input for the RF PLL part.V DD1 must equal VDD2. In order to reject supply noise, bypass capacitors must be placed as close as possible to this pin and be connected directly to the ground plane.Power supply voltage input for RF charge pump(≥ VDD1).Internal RF charge pump output for connection to an external loop filter whose filtered output drives an external VCO.Ground for RF digital blocks.RF prescaler input.The sig

Features

Very low current consumption(8821:3.5mA, 22:4.5mA, 23:5.5mA).
Operating voltage range : 2.7 ~ 4.0V.
Selectable power saving mode(Icc=1uA typical @3V).
Dual modulus prescaler : KB8821/22 KB8823 KB8821/22/23 (RF) 64/65 or 128/129 (RF) 32/33 or 64/65 (IF) 8/9 or 16/17.
QFN : Quad Flat Non-leaded(see Addendum).

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Published: Apr 25, 2005 |