W3000 Datasheet, PDF (1/28 Pages) Agere Systems – W3000 PLL Dual-Band Frequency Synthesizer

Advance Data Sheet
December 1999
W3000 PLL Dual-Band Frequency Synthesizer
Features
+ 2.2 GHz operational
+ Dual-band optimized
+ Low supply current (5.1 mA)
+ Surface-mount 14-pin TSSOP package
+ Scaled PD gain for dual-band operation
+ Programmable phase-detector polarity
+ Synchronous or forced counter update loading
+ Powerdown mode via external pin or serial bus
+ Low-load capacitance on reference input buffer
Applications
+ GSM900/1800/1900
+ North American IS-136/137
+ Personal Digital Cellular (Japan RCR-27)
+ Personal Handy Phone (Japan RCR-28)
+ CDMA (IS-95)
REF_IN
TCXO
VDDC
LD
R
11-BIT COUNTER
PHASE
VCP
DETECTOR
VCO BAND A
IPD SETTING
PD POLARITY
IREF
M
11-BIT COUNTER
PRESCALER
÷64/65
IREF
A
7-BIT COUNTER
VCO BAND B
MAIN_IN
HIGH-PRECISION
CURRENT
REFERENCE
RREF
IPD SETTING
PD POLARITY
BAND
CONTROL
LOGIC
24-BIT SERIAL
SHIFT REGISTER
LAT
DAT
CLK
OFF CHIP
VDDC
Figure 1. Block Diagram with Pinout