1 Product Sample & Technical Tools & Support &. Folder Buy Documents Software Community LMH0387. SNLS315H APRIL 2010 REVISED AUGUST 2015. LMH0387 3 Gbps HD/SD SDI Configurable I/O Adaptive Cable Equalizer / Cable Driver 1 Features 3 Description 1 ST 424, ST 292, ST 344, and ST 259 Compliant The LMH0387 3 Gbps HD/SD SDI Configurable I/O. (1) Adaptive Cable Equalizer / Cable Driver provides a single chip interface to a BNC. The device can be Supports DVB-ASI at 270 Mbps configured either in the input mode as an equalizer to Data Rates: 125 Mbps to Gbps when receive data over coaxial cable or in the output mode Receiving (DC to Gbps when Driving Cable) as a cable driver to transmit data over coaxial cable. Equalizes up to 120 Meters of Belden 1694A at The same I/O pin is used both for the input and the Gbps, up to 200 Meters of Belden 1694A at output functions of the device, allowing the system designer the flexibility to use a BNC attached to the Gbps, or up to 400 Meters of Belden 1694A.
2 Device as either an input or an output. at 270 Mbps Integrated Return Loss Network (No External The device operates over a wide range of data rates Components Required) from 125 Mbps to Gbps (DC to Gbps when driving cable) and supports ST 424, ST 292, ST 344, Power Saving Modes and ST 259. The return loss network is integrated Cable Driver Selectable Slew Rate within the device so no external components are Internally Terminated 100- LVDS Receiver required to meet the SMPTE return loss specification. Outputs With Programmable Common Mode The LMH0387 offers designers flexibility in system design and quicker time to market. Voltage and Swing Programmable Launch Amplitude Optimization for In the input mode, the LMH0387 features include a Receiver power-saving sleep mode, programmable output common mode voltage and swing, cable length Cable Length Indication indication, launch amplitude optimization, input signal Single Supply Operation detection, and an SPI interface.
3 In the output mode, 48-Pin Laminate TLGA Package the LMH0387 features include two selectable slew rates for ST 424 / 292 and ST 259 compliance, and Industrial Temperature Range: 40 C to 85 C. output driver power-down control. 2 Applications The device is available in a 7-mm 7-mm 48-pin laminate Thin Laminate Grid Array (TLGA) Package. ST 424 (SMPTE 424M), ST 292 (SMPTE 292M), and ST 259 (SMPTE 259M) Serial Digital Device Information(1). Interfaces (1) PART NUMBER PACKAGE BODY SIZE (NOM). Digital Video Servers and Modular Equipment LMH0387 TLGA (48) mm mm Video Encoders and Decoders (1) For all available packages, see the orderable addendum at Distribution Amplifiers the end of the data sheet. Typical Application Existing Solution LMH0387 Solution VCC. Cable Driver (1) Due to SMPTE naming convention, all SMPTE Engineering FPGA LMH0387. Configurable FPGA. Documents will be numbered as a two-letter prefix and a I/O. number. Documents and references with the same root Cable Equalizer number and year are functionally identical; for example ST.
4 424-2006 and SMPTE 424M-2006 refer to the same document. 1. An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. LMH0387. SNLS315H APRIL 2010 REVISED AUGUST 2015 Table of Contents 1 Features .. 1 7 Detailed Description .. 11. 2 Applications .. 1 Overview .. 11. 3 Description .. 1 Functional Block Diagram .. 11. 4 Revision 2 Feature 11. Device Functional 14. 5 Pin Configuration and Functions .. 3. 14. 6 5. Register Maps .. 17. Absolute Maximum Ratings .. 5. ESD 5 8 Application and Implementation .. 19. Application 19. Recommended Operating 5. Typical Application .. 19. Thermal Information .. 5. Control Pin Electrical 6 9 Power Supply 21. Input Mode (Equalizer) DC Electrical 10 21. Characteristics .. 6 Layout Guidelines .. 21. Output Mode (Cable Driver) DC Electrical Layout Example.
5 22. Characteristics .. 7 11 Device and Documentation Support .. 23. Input Mode (Equalizer) AC Electrical Documentation Support .. 23. Characteristics .. 7. Community 23. Output Mode (Cable Driver) AC Electrical Characteristics .. 8 Trademarks .. 23. Input Mode (Equalizer) SPI Interface AC Electrical Electrostatic Discharge Caution .. 23. Characteristics .. 8 Glossary .. 23. Typical Characteristics .. 10 12 Mechanical, Packaging, and Orderable Information .. 23. 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision G (April 2013) to Revision H Page Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .. 1. Changes from Revision F (April 2013) to Revision G Page Changed layout of National Data Sheet to TI format.
6 18. 2 Submit Documentation Feedback Copyright 2010 2015, Texas Instruments Incorporated Product Folder Links: LMH0387. LMH0387. SNLS315H APRIL 2010 REVISED AUGUST 2015. 5 Pin Configuration and Functions NPD Package 48-Pin TLGA. Top View TERMTX. TX_EN. SD/HD. VCCTX. RSVD. RSVD. RSVD. RSVD. MOSI. SCK. VEE. VEE. 48 47 46 45 44 43 42 41 40 39 38 37. RSVD 1 36 RREF. VCCTX 2 35 VEE. VCCTX 3 34 SDI. RSVD 4 33 SDI. RSVD 5 32 VEE. RSVD 6 31 VEE. LMH0387. RSVD 7 (Top View) 30 VCCRX. BNC_IO 8 29 MISO. RSVD 9 28 SDO. RSVD 10 27 SDO. RSVD 11 26 SS. RSVD 12 25 VEE. 13 14 15 16 17 18 19 20 21 22 23 24. RSVD. RSVD. RSVD. RSVD. TERMRX. SPI_EN. VEE. AEC+. AEC- CD. CDTHRESH. VEE. Copyright 2010 2015, Texas Instruments Incorporated Submit Documentation Feedback 3. Product Folder Links: LMH0387. LMH0387. SNLS315H APRIL 2010 REVISED AUGUST 2015 Pin Functions PIN. I/O, TYPE DESCRIPTION. NAME NO. AEC loop filter external capacitor for equalizer (1 F connected between AEC+ and AEC+, AEC- 20, 21 I/O, Analog AEC-).
7 Serial digital interface input or output for connection to a BNC. Connect this pin to the BNC_IO 8 I/O, Analog BNC through an AC coupling capacitor (nominally F). Carrier detect for BNC_IO pin. CD 22 O, LVCMOS H = No input signal detected on BNC_IO pin. L = Input signal detected on BNC_IO pin. Carrier detect threshold input. Sets the threshold for CD. CDTHRESH may be either CDTHRESH 23 I, Analog unconnected or connected to ground for normal CD operation. MISO (SPI) 29 O, LVCMOS SPI Master Input / Slave Output. LMH0387 control data transmit. MOSI (SPI) 39 I, LVCMOS SPI Master Output / Slave Input. LMH0387 control data receive. BNC_IO output driver level control. Connect a resistor (nominally 715 ) to VCC to set RREF 36 I, Analog the output voltage swing for the BNC_IO pin. 1, 4-7, 9 16, RSVD N/A Do not connect. 42, 46-48. SCK (SPI) 38 I, LVCMOS SPI serial clock input. BNC_IO output slew rate control. SD/HD has an internal pulldown.
8 SD/HD 44 I, LVCMOS H = BNC_IO output rise/fall time complies with SMPTE 259M (SD). L = BNC_IO output rise/fall time complies with SMPTE 424M / 292M (3G/HD). SDI, SDI 33, 34 I, Analog Serial data differential input for transmitter (cable driver). SDO, SDO 27, 28 O, LVDS Serial data differential output from receiver (equalizer). SPI register access enable (equalizer). This pin should always be high; it must be pulled SPI_EN 18 I, LVCMOS high while operating in the input mode and may optionally be pulled high while operating in the output mode. This pin has an internal pulldown. SS (SPI) 26 I, LVCMOS SPI slave select. This pin has an internal pullup. Termination for unused receiver (equalizer) input. This network should consist of a 1- F. TERMRX 17 I, Analog capacitor followed by a 220- resistor to ground. Termination for unused transmitter (cable driver) output. This network should consist of a TERMTX 45 O, Analog F capacitor followed by a 75- resistor to ground.
9 Transmitter output driver enable. TX_EN has an internal pullup. H = BNC_IO output driver is enabled. L = BNC_IO output driver is powered off. TX_EN 40 I, LVCMOS To configure the LMH0387 as a receiver, the BNC_IO output driver must be disabled by tying TX_EN low. To configure the LMH0387 as a transmitter, the output driver must be enabled by tying TX_EN high and the receiver may be powered down using the sleep mode setting through the SPI. VCCTX 2, 3, 43 Power Positive power supply for transmitter ( V). 19, 24, 25, 31, VEE Power Negative power supply (ground). 32, 35, 37, 41. VCCRX 30 Power Positive power supply for receiver ( V). 4 Submit Documentation Feedback Copyright 2010 2015, Texas Instruments Incorporated Product Folder Links: LMH0387. LMH0387. SNLS315H APRIL 2010 REVISED AUGUST 2015. 6 Specifications Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1). MIN MAX UNIT. Supply Voltage 4 V.
10 Input Voltage (all inputs) VCC+ V. Junction Temperature 125 C. Storage Temperature 65 150 C. (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. ESD Ratings VALUE UNIT. Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1) 6000. Charged-device model (CDM), per JEDEC specification JESD22- V(ESD) Electrostatic discharge 2500 V. C101 (2). Machine model 300. (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. (2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. Recommended Operating Conditions MIN NOM MAX UNIT.