AD8190 Analog Devices, AD8190 Datasheet

AD8190

Manufacturer Part Number

AD8190

Description

2:1 HDMI/DVI Switch with Equalization Data Sheet (Rev. 0, 8/2006)

Manufacturer

Analog Devices

Datasheet

1.AD8190.pdf (24 pages)

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FEATURES

Two inputs, one output HDMI/DVI links

Enables HDMI 1.2a-compliant receiver

Output disable feature

Two AD8190s support HDMI/DVI dual-link

Standards compliant: HDMI receiver, HDCP, DVI

Serial (I

56-lead, 8 mm x 8 mm, LFCSP, Pb-free package

APPLICATIONS

Multiple input displays

Projectors

A/V receivers

Set-top boxes

Advanced television (HDTV) sets

GENERAL DESCRIPTION

The AD8190 is an HDMI/DVI switch featuring equalized

TMDS inputs and pre-emphasized TMDS outputs, ideal for

systems with long cable runs. Outputs can be set to a high

impedance state to reduce the power dissipation and/or allow

the construction of larger arrays using the wire-OR technique.

The AD8190 is provided in a space saving, 56-lead, LFCSP,

surface-mount, Pb-free, plastic package and is specified to

operate over the −40°C to +85°C temperature range.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

Four TMDS channels per link

Four auxiliary channels per link

Reduced power dissipation

Output termination removal

Supports 250 Mbps to 1.65 Gbps data rates

Supports 25 MHz to 165 MHz pixel clocks

Equalized inputs for operation with long HDMI cables

Fully buffered unidirectional inputs/outputs

Globally switchable 50 Ω on-chip terminations

Pre-emphasized outputs

Low added jitter

Single-supply operation (3.3 V)

Bidirectional unbuffered inputs/outputs

Flexible supply operation (3.3 V to 5 V)

HDCP standard compatible

Allows switching of DDC bus and two additional signals

(20 meters at 1080p)

C slave) control interface

2:1 HDMI/DVI Switch with Equalization

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

PRODUCT HIGHLIGHTS

AUX_A[3:0]

AUX_B[3:0]

I2C_ADDR

IP_A[3:0]

IN_A[3:0]

IP_B[3:0]

IN_B[3:0]

I2C_SDA

I2C_SCL

SET-TOP BOX

VTTI

Supports data rates up to 1.65 Gbps, enabling UXGA

(1600 × 1200) DVI resolutions and 1080p HDMI formats.

Input cable equalizer enables use of long cables at the

input (more than 20 meters of 24 AWG cable at 1080p).

Auxiliary switch allows routing of the DDC bus and two

additional single-ended signals for a single chip, fully

HDMI 1.2a receive-compliant solution.

VTTI

–

Figure 2. Typical AD8190 Application for HDTV Sets

FUNCTIONAL BLOCK DIAGRAM

SERIAL INTERFACE

INTERFACE

CONFIG

TYPICAL APPLICATION

HIGH SPEED

LOW SPEED

BIDIRECTIONAL

RECEIVER

AD8190

CONTROL

Figure 1.

HDMI

SWITCH

RESET

LOGIC

CORE

UNBUFFERED

HDTV SET

BUFFERED

AD8190

DVD PLAYER

www.analog.com

–

DVD

AVCC

DVCC

AMUXVCC

AVEE

DVEE

VTTO

OP[3:0]

ON[3:0]

AUX_COM[3:0]

01:18

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