CDCEL937
- Member of Programmable Clock Generator Family
- CDCEx913: 1-PLL, 3 Outputs
- CDCEx925: 2-PLL, 5 Outputs
- CDCEx937: 3-PLL, 7 Outputs
- CDCEx949: 4-PLL, 9 Outputs
- In-System Programmability and EEPROM
- Serial Programmable Volatile Register
- Nonvolatile EEPROM to Store Customer Setting
- 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
- Free Selectable Output Frequency up to 230 MHz
- Low-Noise PLL Core
- PLL Loop Filter Components Integrated
- Low Period Jitter (Typical 60 ps)
- Separate Output Supply Pins
- CDCE937: 3.3 V and 2.5 V
- CDCEL937: 1.8 V
- Flexible Clock Driver
- Three User-Definable Control Inputs [S0/S1/S2], for Example, SSC Selection, Frequency Switching, Output Enable or Power Down
- Generates Highly Accurate Clocks for Video, Audio, USB, IEEE1394, RFID, Bluetooth™, WLAN, Ethernet™, and GPS
- Generates Common Clock Frequencies Used With TI-DaVinci™, OMAP™, DSPs
- Programmable SSC Modulation
- Enables 0-PPM Clock Generation
- 1.8-V Device Power Supply
- Wide Temperature Range –40°C to 85°C
- Packaged in TSSOP
- Development and Programming Kit for Easy PLL Design and Programming (TI Pro-Clock™)
- APPLICATIONS
- D-TVs, STBs, IP-STBs, DVD Players, DVD Recorders, and Printers
All other trademarks are the property of their respective owners
The CDCE937 and CDCEL937 devices are modular PLL-based low cost, high-performance, programmable clock synthesizers, multipliers and dividers. They generate up to 7 output clocks from a single input frequency. Each output can be programmed in-system for any clock frequency up to 230 MHz, using up to three independent configurable PLLs.
The CDCEx937 has separate output supply pins, VDDOUT, which is 1.8 V for CDCEL937 and to 2.5 V to 3.3 V for CDCE937.
The input accepts an external crystal or LVCMOS clock signal. If an external crystal is used, an on-chip load capacitor is adequate for most applications. The value of the load capacitor is programmable from 0 to 20 pF. Additionally, an on-chip VCXO is selectable which allows synchronization of the output frequency to an external control signal, that is, PWM signal.
기술 문서
유형 | 직함 | 날짜 | ||
---|---|---|---|---|
* | Data sheet | CDCEx937 Flexible Low Power LVCMOS Clock Generator With SSC Support For EMI Reduction datasheet (Rev. G) | PDF | HTML | 2016/10/10 |
User guide | CDCE(L)9XX & CDCEx06 Programming Evaluation Module Manual (Rev. A) | 2010/11/22 | ||
Application note | Troubleshooting I2C Bus Protocol | 2009/10/19 | ||
Application note | Usage of I2C for CDCE(L)949, CDCE(L)937, CDCE(L)925, CDCE(L)913 | 2009/09/23 | ||
User guide | CDCE(L)9XX & CDCEx06 Programming Evaluation Module Manual | 2008/12/09 | ||
Application note | Generating Low Phase-Noise Clocks for Audio Data Converters from Low Frequency | 2008/03/31 | ||
Application note | Practical consideration on choosing a crystal for CDCE(L)9xx family | 2008/03/24 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
CDCEL9XXPROGEVM — CDCE(L)949 제품군 EEPROM 프로그래밍 보드
The clock generator CDCE(L)949 family has integrated EEPROM that allows the default frequency settings to be saved upon start up. CDCEL9XXPROGEVM is a programming board that allows a fast programming of prototyping samples or small production quantities. It applies to all 8 devices in the family: (...)
CLOCKPRO — ClockPro Software
TI's ClockPro software allows users to program/configure the following devices in a friendly GUI interface:
- CDCE949
- CDCE937
- CDCE925
- CDCE913
- CDCE906
- CDCE706
- CDCEL949
- CDCEL937
- CDCEL925
- CDCEL913
It is intended to be used with the evaluation modules of the above devices.
지원되는 제품 및 하드웨어
제품
클록 생성기
하드웨어 개발
평가 보드
소프트웨어
소프트웨어 프로그래밍 도구
SCAC073 — TI-Pro-Clock Programming Software
지원되는 제품 및 하드웨어
제품
클록 생성기
CLOCK-TREE-ARCHITECT — 클록 트리 아키텍트 프로그래밍 소프트웨어
PSPICE-FOR-TI — TI 설계 및 시뮬레이션 툴용 PSpice®
TI 설계 및 시뮬레이션 환경용 PSpice는 기본 제공 라이브러리를 이용해 복잡한 혼합 신호 설계를 시뮬레이션할 수 있습니다. 레이아웃 및 제작에 (...)
패키지 | 핀 | 다운로드 |
---|---|---|
TSSOP (PW) | 20 | 옵션 보기 |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.