CYV15G0102EQ-SXC中文资料

PRELIMINARY

Multi-Rate Video Cable Equalizer

CYV15G0102EQ

Features

?Multi-Rate Adaptive Equalization

?SMPTE 292M, SMPTE 344M, and SMPTE 259M Compliant

?Supports DVB-ASI at 270 Mbps

?Cable Length Indicator for HD-SDI and SD-SDI data rates

?Maximum Cable Length Adjustment for HD-SDI and SD-SDI data rates

?Carrier detect and Mute functionality for HD-SDI and SD-SDI data rates ?Equalizer Bypass Mode

?Seamless connection with HOTLink II? Family ?Equalizes up to 400m of Belden 1694A coaxial cable at 270 Mbps

?Equalizes up to 200m of Belden 1694A coaxial cable at 1.485 Gbps

?Low Power 160 mW @ 3.3V ?Single 3.3V supply ?16-pin SOIC

?0.18-μm CMOS technology ?Pb-free and RoHS compliant

?Pin-compatible to existing equalizer devices

Functional Description

The CYV15G0102EQ is a multi-rate adaptive equalizer designed to equalize and restore signals received over 75?coaxial cable. The equalizer is designed to meet SMPTE 292M, SMPTE 344M, and SMPTE 259M data rates. The CYV15G0102EQ is optimized to equalize up to 400m of Belden 1694A coaxial cable at 270 Mbps and up to 200m of Belden 1694A coaxial cable at 1.485 Gbps. The CYV15G0102EQ connects seamlessly to the HOTLink II family of transceiver devices.

The CYV15G0102EQ has DC restoration for compensation of the DC content of the SMPTE pathological patterns. A cable length indicator (CLI) provides an indication of the cable length being equalized at HD-SDI and SD-SDI data rates. The Maximum cable length adjust (MCLADJ) sets the approximate maximum cable length to be equalized at SD and HD data rates. The CYV15G0102EQ’s differential serial outputs (SDO,SDO) mute, when the approximate cable length set by MCLADJ is reached. CD/MUTE is a bidirectional pin that provides an indication of the signal being present at the equalizer inputs. It also controls muting the outputs of the equalizer at HD and SD data rates.

Power consumption is typically 160 mW at 3.3V.

Serial Links Copper Cable CYV15G0102EQ

Multi-Rate Cable Equalizer

Connections Equalizer System Connection Diagram

Cable Driver

HOTLink II Serializer

HOTLink II Deserializer

Pin Configuration (Top View)

Equalizer Operation

The CYV15G0102EQ is a high-speed adaptive cable equalizer designed to equalize standard definition (SD) and high definition (HD) serial digital interface (SDI) video data streams. CYV15G0102EQ equalizer is optimized to equalize up to 400m of Belden 1694A cable at 270 Mbps and up to 200m of Belden 1694A cable at 1.485 Gbps. The CYV15G0102EQ equalizer contains one power supply and typically consumes 160 mW power at 3.3V. The multi-rate equalizer is designed to meet the SMPTE 259M, SMPTE 292M, SMPTE 344M and DVB-ASI video standards. The equalizer meets all pathological requirements for SMPTE 292M as defined by RP198. and for SMPTE 259M as defined by RP178. The CYV15G0102EQ multi-rate Cable Equalizer is auto-adaptive from 143 Mbps to 1.485 Gbps.

The CYV15G0102EQ equalizer has variable gain, multiple equalization stages, that reverse the effects of the cable. This equalization is achieved by separate regulation of the lower and higher frequency components in the signal to give a clean eye. The CYV15G0102EQ has DC restoration for compen-sating the DC content of the SMPTE pathological patterns. SDI, SDI

CYV15G0102EQ accepts single-ended or differential serial video data streams over 75? coaxial cable. It is recommended to AC-couple the SDI, SDI inputs as they are internally biased to 1.2V.

Pin Descriptions

CYV15G0102EQ Single Channel Cable Equalizer

Name I/O Characteristics Signal Description

Control Signals

CLI Analog Output Cable Length Indicator: CLI provides an analog voltage proportional to the cable

length being equalized. CLI works at both SD-SDI and HD-SDI data rates.

CD/MUTE LVTTL I/O Carrier Detect/Mute Indicator:

Output:

When the incoming data stream is present, the CD/MUTE outputs a voltage less than

0.8V.

When the incoming data stream is not present, the CD/MUTE outputs a voltage

greater than 3V.

Input:

When the CD/MUTE pin is tied to ground, the equalizer’s differential serial outputs

are not muted and the MCLADJ setting is overwritten.

When the CD/MUTE pin is tied to V CC, the equalizer’s differential serial outputs are

muted and the MCLADJ setting is overwritten.

MCLADJ Analog Input Maximum Cable Length Adjust: The maximum cable length to be equalized is set

by the voltage applied to the MCLADJ input. When the maximum cable length set by

MCLADJ is reached, the differential output is muted. MCLADJ works at both SD and

HD data rates.

BYPASS LVTTL Input Equalizer Bypass: When BYPASS is tied to V CC, the signal presented at the

equalizer’s differential serial inputs (SDI, SDI) is routed to the equalizer’s differential

serial outputs (SDO, SDO) without performing equalization.

When BYPASS is tied to GND, the incoming video data stream is equalized and

presented at the equalizer‘s serial differential outputs (SDO, SDO).

In equalizer bypass mode, CD/MUTE is not functional.

AGC±Analog Automatic Gain Control: A capacitor of 1 μF should be placed between the AGC±

pins.

SDO, SDO Differential

Output Differential Serial Outputs: The equalized serial video data stream is presented at the SDO/SDO differential serial CML output.

SDI, SDI Differential

Input Differential Serial Inputs: SDI/SDI can accept either a single ended or differential serial video data stream over 75? coaxial cable.

Power

VCC Power+3.3V Power.

GND Gnd Connect to Ground.

SDO, SDO

The CYV15G0102EQ has differential serial output interface drivers that use current mode logic [CML] drivers to provide source matching for the transmission line. These outputs can be either AC coupled or DC coupled to HOTLink II SerDes device.

CLI

Cable Length Indicator (CLI) is an analog output that gives an output voltage proportional to the cable length being equalized. CLI gives an approximation of the length of cable at the differential serial inputs (SDI, SDI). CLI works at high definition (HD) data rates as well as standard definition (SD) data rates. The graph in Figure2 illustrates the CLI output voltage at various Belden 1694A cable lengths. With an increase in cable length, CLI output voltage decreases. MCLADJ

Maximum Cable Length Adjust (MCLADJ) sets the approx-imate maximum amount of cable to be equalized. When the maximum cable length set by MCLADJ is reached, the outputs are muted. MCLADJ works at SD as well HD data rates.

If the MCLADJ voltage is greater than the CLI output voltage, the equalizer serial differential outputs (SDO, SDO) are muted. If the MCLADJ voltage is less than CLI voltage, then the equalizer’s differential serial outputs (SDO, SDO) are not muted and the incoming data stream is equalized. The graph in Figure1 illustrates the voltage needed at MCLADJ input, to equalize various Belden 1694A cable lengths for SD and HD data rates. The MCLADJ pin can be left unconnected in appli-cations that do not require muting of the outputs.

CD/MUTE

Carrier Detect/MUTE (CD/MUTE) is a bidirectional pin that provides an indication of the signal being present at the equalizer’s input, or it controls the muting of the equalizer’s output. The (CD/MUTE) operates for both HD and SD data rates.

If CD/MUTE is used as an output, and the incoming data stream is not present, the voltage at the CD/MUTE output will be greater than 3.0V. If CD/MUTE is used as an output, and the incoming data stream is present, then the voltage at the CD/MUTE output will be less than 0.8V.

If CD/MUTE is used as an input, and tied to ground, the equalizer serial outputs are not muted and the MCLADJ setting is overwritten. If the CD/MUTE is used as an input and is tied to V CC, then the equalizer serial outputs are muted and the MCLADJ setting is overwritten.

When an invalid signal or a signal transmitted with a launch amplitude of less than 500 mV at HD data-rates is received, the equalizer’s serial outputs are muted and the MCLADJ setting is overwritten.

BYPASS

The CYV15G0102EQ has a bypass mode that allows the user to bypass the equalizer’s equalization and DC restoration functions. When the Bypass mode is tied to V CC, the signal presented at the equalizer’s differential serial inputs (SDI, SDI) is routed to the equalizer’s differential serial outputs (SDO, SDO) without performing equalization.

When BYPASS is tied to GND, the incoming video data stream is equalized and presented at the equalizer‘s differential serial outputs (SDO, SDO).

In equalizer bypass mode, CD/MUTE is not functional. AGC

A capacitor of 1 μF should be placed between the AGC± pins of the CYV15G0102EQ equalizer.

Maximum Ratings

Above which the useful life may be impaired. User guidelines only, not tested

Storage Temperature..................................–65°C to +150°C Ambient Temperature with

Power Applied.............................................–55°C to +125°C Supply Voltage to Ground Potential...............–0.5V to +3.8V DC Voltage Applied to Outputs

in High-Z State.......................................–0.5V to V CC + 0.5V DC Input Voltage......................................–0.5V to V CC+0.5V Electro Static Discharge (ESD) HBM.......................> 2000 V (per JEDEC EIA/JESD-A114A)

Latch-Up Current....................................................> 200 mA Power-up Requirements

The CYV15G0102EQ contains one power-supply. The voltage on any input or I/O pin cannot exceed the power pin during power-up.

Operating Range

Range

Ambient

Temperature V CC Commercial0°C to +40°C +3.3V ±5%

DC Electrical Characteristics

Parameter Description Test Conditions Min.Typ.Max.Unit V CC Supply Voltage[1]– 3.135 3.3 3.465V P D Power Consumption[2]–125160190mW I S Supply Current[1]–384858mA V CMOUT Output Common Mode Voltage[1]Load = 50?–V CC – ?V SDO/2–V V CMIN Input Common Mode Voltage[1]

[Bypass = High]

–1 1.24 1.4V

Input Common Mode Voltage[1]

[Bypass = Low]

–0 1.24 2.9V –CLI DC Voltage (0m)[1]– 2.5 2.65 2.9V –CLI DC Voltage (no signal)[1]– 1.6 1.9 2.3V –Floating MCLADJ DC Voltage[1]– 1.2 1.3 1.4V –MCLADJ Range[1]–0.550.72 1.02V V CD/MUTE(OH)CD/MUTE Output Voltage[1]Carrier Not Present 3.0––V V CD/MUTE(OL)Carrier Present––0.8V V CD/MUTE CD/MUTE Input Voltage Required to

Force Outputs to Mute[1]

Min. to Mute 2.2––V

V CD/MUTE CD/MUTE Input Voltage Required to

Force Active[1]

Max. to Activate–– 1.2V

Notes:

1.Production test.

2.Calculated results from production test.

AC Electrical Characteristics

Parameter Description Test Conditions Min.Typ.Max.Unit –Serial Input Data Rate[1]–143–1485Mbps V SDI Input Voltage Swing Single ended, at the transmitter,

HD data rate

500800[1]1200mV

V SDI Input Voltage Swing Single ended, at the transmitter,

SD data rate

620800[1]1200mV ?V SDO Output Voltage Swing[1]Differential p-p,50? load 650800900mV

–Maximum Equalized Cable

Length[1]270 Mbps, Belden 1694A,

800 mV transmit amplitude,

equalizer pathological pattern,

0.2 UI equalizer output jitter

–400–m

1.485 Gbps, Belden 1694A,

800 mV transmit amplitude,

equalizer pathological pattern,

0.3 UI equalizer output jitter

–200–m

–Output Rise/Fall Time[3, 4]20% - 80%80120220ps –Mismatch in Rise/Fall time[3, 4]–––30ps –Duty cycle distortion[3, 4]–––30ps –Overshoot[3, 4]–––10%–Input Return Loss[3]–15––dB –Input Resistance[3, 4]Single ended– 2.5–k?–Input Capacitance[3, 4]Single ended–1–pF –Output Resistance[3, 4]Single ended–50–?Notes:

3.Not tested. Based on characterization.

4.Not tested. Guaranteed by design simulations.

Typical Performance Graphs

(Unless Otherwise mentioned, V CC = 3.3V, T A = 25°C)

Figure 1. MCLADJ Input Voltage Vs. Belden 1694A Cable Length at SD-SDI and HD-SDI Data Rates

Figure 2. CLI Output Voltage Vs. Belden 1694A Cable Length at SD-SDI and HD-SDI Data Rates

Typical Application Circuit

Figure 3. Interfacing CYV15G0102EQ to the HOTLink II SerDes

Ordering Information

Ordering Code Package Name Package Type Operating Range

CYV15G0102EQ-SXC SZ16.15Pb-Free16-lead 150-mil SOIC 0 to 40°C

Package Dimensions

HOTLink II is a trademark of Cypress Semiconductor. All product and company names mentioned in this document may be the trademarks of their respective holders.

Document #: 001-04205 Rev. *A Page 9 of 10

Document History Page

Document Title: CYV15G0102EQ Multi-Rate Cable Equalizer Document Number: 001-04205

REV.ECN NO.ISSUE

DATE

ORIG. OF

CHANGE DESCRIPTION OF CHANGE

**389196SEE ECN BCD New Preliminary Data Sheet

*A394763SEE ECN BCD Updated Preliminary Data Sheet for release to the internet