TW3811 INTERSIL | Alldatasheet
Document overview
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Technical content
Features
- Simultaneous transmission of IP video data and analog CVBS video over up to 500m of RG59 coaxial cable
- Analog CVBS video preview support
- Proprietary adapti ve analog equalizer for extending the reach of CVBS video
- Proprietary SLOC-based IP camera detection
- Creates a full-duplex 100BASE-T digital link
- 36Mbps downlink speed from TW3801 to TW3811
- 4Mbps uplink for SLOC compliance
- Ethernet MAC MII/RMII interface for interfacing to DVR/NVR network processor SoC
- Optional Ethernet PHY MII/RMII interface for interfacing to external Ethernet PHY chip 2C 2-wire control interface
- Integrated PLL with 25MHz crystal interface
- 1.8V, 3.3V supplies
- 100-TQFP (12x12mm) Package Application Block Diagram EL8101 Analog CVBS Ethernet SPOT Monitor DVR Network Switch NVR One-Channel SLOC Receiver TW3811 100BASE-T PHY SLOC Adapter Module TW3801 Up to 500m of RG59 cable IP Camera Analog CVBS Ethernet 100BASE-T PHY MCU (optional) MCU (optional) Simplified Application Schematic 3.3V3.3V 1.8V TW3811 COAX_OUT 22µF 0.1µF 470µF COAX_IN 25MHz 22pF22pF XTAL_OUT XTAL_IN 10k10µF 24k CVBS_OUT 1.5k 10µF 4.7k 3.3V I2C Microcontroller SCL SDA MII or RMII PHY MII / RMII Interface RJ45 Ethernet I/O SLOC Coax I/O LOAD_DRV VDD_IOVDD_A VDD_D 150nH BAT54 + CVBS Output 470µF November 29, 2012 FN8284.1
Intersil products are manufactured, assembled and tested utilizing ISO9000 quality systems as noted in the quality certifications found at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com FN8284.1 November 29, 2012 For additional products, see www.intersil.com/product_tree