CDCE937
- Member of Programmable Clock Generator Family
- CDCEx913: 1PLL, 3 Outputs
- CDCEx925: 2PLL, 5 Outputs
- CDCEx937: 3PLL, 7 Outputs
- CDCEx949: 4LL, 9 Outputs
- In-System Programmability and EEPROM
- Serial Programmable Volatile Register
- Nonvolatile EEPROM to Store Customer Setting
- Flexible Input Clocking Concept
- External Crystal: 8MHz to 32MHz
- On-Chip VCXO: Pull Range ±150ppm
- Single-Ended LVCMOS up to 160MHz
- Free Selectable Output Frequency up to 230MHz
- Low-Noise PLL Core
- PLL Loop Filter Components Integrated
- Low Period Jitter (Typical 60ps)
- Separate Output Supply Pins
- CDCE937: 3.3V and 2.5V
- CDCEL937: 1.8V
- 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 0PPM Clock Generation
- 1.8V 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™)
The CDCE937 and CDCEL937 devices are modular PLL-based low cost, high-performance, programmable clock synthesizers, multipliers and dividers. The devices generate up to 7 output clocks from a single input frequency. Each output can be programmed in-system for any clock frequency up to 230MHz, using up to three independent configurable PLLs.
The CDCEx937 has separate output supply pins, VDDOUT, which is 1.8V for CDCEL937 and to 2.5V to 3.3V 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 20pF. Additionally, an on-chip VCXO is selectable which allows synchronization of the output frequency to an external control signal, that is, PWM signal.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 | |
|---|---|---|---|---|---|---|
| * | 데이터 시트 | CDCEx937 Flexible Low Power LVCMOS Clock Generator With SSC Support For EMI Reduction datasheet (Rev. I) | PDF | HTML | 2024. 12. 11 | ||
| 애플리케이션 노트 | VCXO Application Guideline for CDCE(L)9xx Family (Rev. A) | 2012. 4. 23 | ||||
| 사용 설명서 | CDCE(L)9XX & CDCEx06 Programming Evaluation Module Manual (Rev. A) | 2010. 11. 22 | ||||
| 애플리케이션 노트 | General I2C / EEPROM usage for the CDCE(L)9xx family | 2010. 1. 26 | ||||
| 애플리케이션 노트 | Troubleshooting I2C Bus Protocol | 2009. 10. 19 | ||||
| 애플리케이션 노트 | Usage of I2C for CDCE(L)949, CDCE(L)937, CDCE(L)925, CDCE(L)913 | 2009. 9. 23 | ||||
| 애플리케이션 노트 | Generating Low Phase-Noise Clocks for Audio Data Converters from Low Frequency | 2008. 3. 31 | ||||
| 애플리케이션 노트 | Practical consideration on choosing a crystal for CDCE(L)9xx family | 2008. 3. 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: (...)
SCAC097 — Executable File Without LabVIEW 8.2 Run Time Engine
SCAC131 — Drivers for the CDCEL9xx programmer EVM
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.
SCAC073 — TI-Pro-Clock Programming Software
CLOCK-TREE-ARCHITECT — 클록 트리 아키텍트 프로그래밍 소프트웨어
클록 트리 아키텍트는 시스템 요구 사항에 따라 클록 트리 솔루션을 생성하여 설계 프로세스를 간소화하는 클록 트리 합성 툴입니다. 이 툴은 광범위한 클로킹 제품 데이터베이스에서 데이터를 가져와 시스템 수준의 다중 칩 클로킹 솔루션을 생성합니다.
TIDA-01352 — 400W, 연속, 확장성, ±2.5~±150V, 프로그래머블 초음파 전원 공급 장치 레퍼런스 설계
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| TSSOP (PW) | 20 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.