CDCEL925| Datasheet

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CDCE925 CDCEL925
SCAS847C JULY 2007 REVISED DECEMBER 2007

PROGRAMMABLE 2-PLL VCXO CLOCK SYNTHESIZER WITH 1.8-V, 2.5-V and 3.3-V LVCMOS OUTPUTS
1

FEATURES

Member of Programmable Clock Generator Family CDCE913/CDCEL913: 1-PLL, 3 Outputs CDCE925/CDCEL925: 2-PLL, 5 Outputs CDCE937/CDCEL937: 3-PLL, 7 Outputs CDCE949/CDCEL949: 4-PLL, 9 Outputs Flexible Clock Driver Three User-Definable Control Inputs [S0/S1/S2] e.g., SSC Selection, Frequency Switching, Output Enable or Power Down Programmable SSC Modulation Enables 0-PPM Clock Generation Generates Common Clock Frequencies Used With Texas Instruments DaVinciTM, OMAPTM, DSPs Generates Highly Accurate Clocks for Video, Audio, USB, IEEE1394, RFID, BluetoothTM, WLAN, EthernetTM, and GPS In-System Programmability and EEPROM Serial Programmable Volatile Register Nonvolatile EEPROM to Store Customer Setting
234

Flexible Input Clocking Concept External Crystal: 8 MHz to 32 MHz On-Chip VCXO: Pull Range 150 ppm Single-Ended LVCMOS up to 160 MHz Selectable Output Frequency up to 230 MHz Low-Noise PLL Core PLL Loop Filter Components Integrated Low Period Jitter (Typ 60 ps) 1.8-V Device Power Supply Separate Output Supply Pins CDCE925: 3.3 V and 2.5 V CDCEL925: 1.8 V Temperature Range 40 C to 85 C Packaged in TSSOP Development and Programming Kit for Easy PLL Design and Programming (TI Pro-ClockTM)

APPLICATIONS
D-TV, STB, IP-STB, DVD-Player, DVD-Recorder, Printer

VDD Vctr

GND

VDDOUT
LV CMOS

Crystal or Clock Input

VCXO XO LVCMOS PLL1 EEPROM Programming and Control Register With SSC

LV CMOS

S2/S1/S0 or SDA /SCL

Divider and Output Control

LV CMOS

PLL2 With SSC
LV CMOS

Xin/Clk S0 Vdd Vctr GND Vddout Y4 Y5

1 2 3 4 5 6 7 8

16 15 14 13 12 11 10 9

Xout S1/SDA S2/SCL Y1 GND Y2 Y3 Vddout

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. DaVinci, OMAP, Pro-Clock are trademarks of Texas Instruments. Bluetooth is a trademark of Bluetooth SIG. Ethernet is a trademark of Xerox Corporattion.
Copyright 2007, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.