Y4

Y5

VDD

GND

Vctr

VDDOUT

Y1

VCXO

XO

LVCMOS

Y2

Y3

LV

CMOS

LV

CMOS

PLL1

WithSSC

LV

CMOS

LV

CMOS

LV

CMOS

PLL2

WithSSC

Xin/Clk 1

16 Xout

S0 2

15 S1/SDA

Vdd 3

14 S2/SCL

Vctr 4

13 Y1

GND 5

12 GND

Vddout 6

11 Y2

Y4 7

10 Y3

Y5 8

9 Vddout

Divider

and

Output

Control

S2/S1/S0 or

SDA/SCL

3

EEPROM

Programming

and

ControlRegister

CDCE925

CDCEL925

www.ti.com

SCAS847F – JULY 2007 – REVISED MARCH 2010

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

LVCMOS OUTPUTS

Check for Samples: CDCE925, CDCEL925

1

FEATURES

•

Flexible Input Clocking Concept

234

•

Member of Programmable Clock Generator

–

External Crystal: 8 MHz to 32 MHz

Family

–

On-Chip VCXO: Pull Range ±150 ppm

–

CDCE913/CDCEL913: 1-PLL, 3 Outputs

–

Single-Ended LVCMOS up to 160 MHz

–

CDCE925/CDCEL925: 2-PLL, 5 Outputs

•

Selectable Output Frequency up to 230 MHz

–

CDCE937/CDCEL937: 3-PLL, 7 Outputs

•

Low-Noise PLL Core

–

CDCE949/CDCEL949: 4-PLL, 9 Outputs

–

PLL Loop Filter Components Integrated

•

Flexible Clock Driver

–

Low Period Jitter (Typ 60 ps)

–

Three User-Definable Control Inputs

•

1.8-V Device Power Supply

[S0/S1/S2] e.g., SSC Selection, Frequency

•

Separate Output Supply Pins

Switching, Output Enable or Power Down

–

CDCE925: 3.3 V and 2.5 V

–

Programmable SSC Modulation

–

CDCEL925: 1.8 V

–

Enables 0-PPM Clock Generation

•

Temperature Range –40°C to 85°C

–

Generates Common Clock Frequencies

•

Packaged in TSSOP

Used With Texas Instruments DaVinci™,

•

Development and Programming Kit for Easy

OMAP™, DSPs

PLL Design and Programming (TI Pro-Clock™)

–

Generates Highly Accurate Clocks for

Video, Audio, USB, IEEE1394, RFID,

APPLICATIONS

Bluetooth™, WLAN, Ethernet™, and GPS

•

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

•

In-System Programmability and EEPROM

Printer

–

Serial Programmable Volatile Register

–

Nonvolatile EEPROM to Store Customer

Setting

1

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.

2

DaVinci, OMAP, Pro-Clock are trademarks of Texas Instruments.

3

Bluetooth is a trademark of Bluetooth SIG.

4

Ethernet is a trademark of Xerox Corporattion.

PRODUCTION DATA information is current as of publication date.

Copyright © 2007–2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.