Datasheet > AD8195

AD8195

更新时间： 2023-12-20 18:45:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	1033K
描述
AD8195：具有均衡特性的1:1 HDMI/DVI缓冲器

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AD8195 数据手册

HDMI/DVI Buffer with Equalization

Data Sheet

AD8195

FEATURES

FUNCTIONAL BLOCK DIAGRAM

1 input, 1 output HDMI/DVI link

Enables HDMI 1.3a-compliant front panel input

4 TMDS channels per link

PARALLEL

AVCC

Supports 250 Mbps to 2.25 Gbps data rates

Supports 25 MHz to 225 MHz pixel clocks

Equalized inputs for operation with long HDMI cables

(20 m at 2.25 Gbps)

Preemphasized outputs

Fully buffered unidirectional inputs/outputs

50 Ω on-chip terminations

AD8195

AMUXVCC

VTTI

AVEE

CONTROL

LOGIC

VTTO

–

IP[3:0]

IN[3:0]

OP[3:0]

ON[3:0]

BUFFER

HIGH SPEED

BUFFERED

VREF_IN

VREF_OUT

Low added jitter

SCL_IN

SDA_IN

SCL_OUT

SDA_OUT

Transmitter disable feature

Reduces power dissipation

Disables input termination

CEC_IN

CEC_OUT

3 auxiliary buffered channels per link

Bidirectional buffered DDC lines (SDA and SCL)

Bidirectional buffered CEC line with integrated pull-up

resistors (27 kΩ)

LOW SPEED BUFFERED

BIDIRECTIONAL

Independently powered from 5 V of HDMI input

connector

Figure 1.

Logic level translation (3.3 V, 5 V)

Input/output capacitance isolation

Standards compatible: HDMI, DVI, HDCP, DDC, CEC

40-lead LFCSP_VQ package (6 mm × 6 mm)

TYPICAL APPLICATION

HDTV SET

MEDIA CENTER

SET-TOP BOX

DVD PLAYER

GAME

CONSOLE

HDMI

RECEIVER

APPLICATIONS

Front panel buffer for advanced television (HDTV) sets

4:1 HDMI

SWITCH

AD8195

GENERAL DESCRIPTION

BACK PANEL

CONNECTORS

FRONT PANEL

CONNECTOR

The AD8195 is an HDMI/DVI buffer featuring equalized TMDS

inputs and preemphasized TMDS outputs, ideal for systems with

long cable runs. The AD8195 includes bidirectional buffering

for the DDC bus and bidirectional buffering with integrated

pull-up resistors for the CEC bus. The DDC and CEC buffers

are powered independently of the TMDS buffers so that DDC/

CEC functionality can be maintained when the system is powered

off. The AD8195 meets all the requirements for sink tests as

defined in Section 8 of the HDMI Compliance Test 1.3c.

Figure 2. Typical AD8195 Application for HDTV Sets

PRODUCT HIGHLIGHTS

1. Enables a fully HDMI 1.3a-compliant front panel input.

2. Supports data rates of up to 2.25 Gbps, enabling 1080p deep

color (12-bit color) HDMI formats and greater than UXGA

(1600 × 1200) DVI resolutions.

3. Input cable equalizer enables use of long cables; more than

20 meters (24 AWG) at data rates of up to 2.25 Gbps.

4. Auxiliary buffer isolates and buffers the DDC bus and CEC

line for a single chip, fully HDMI 1.3a-compliant solution.

5. Auxiliary buffer is powered independently from the TMDS

link so that DDC/CEC functionality can be maintained

when the system is powered off.

The AD8195 is specified to operate over the −40°C to +85°C

temperature range.

Rev. B

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.

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

Tel: 781.329.4700

www.analog.com

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与AD8195相关器件

型号	品牌	获取价格	描述	数据表
AD8195ACPZ	ADI	获取价格	HDMI/DVI Buffer with Equalization
AD8195ACPZ-R7	ADI	获取价格	1:1 HDMI/DVI Buffer with Equalization
AD8196	ADI	获取价格	2:1 HDMI/DVI Switch with Equalization
AD8196ACPZ	ADI	获取价格	2:1 HDMI/DVI Switch with Equalization
AD8196ACPZ1	ADI	获取价格	IC 2-CHANNEL, AUDIO/VIDEO SWITCH, QCC56, 8 X 8 MM, LEAD FREE, MO-220VLLD-2, CSP-56, Multip
AD8196ACPZ-R7	ADI	获取价格	2:1 HDMI/DVI Switch with Equalization
AD8196ACPZ-RL	ADI	获取价格	2:1 HDMI/DVI Switch with Equalization
AD8196-EVAL	ADI	获取价格	2:1 HDMI/DVI Switch with Equalization
AD8197	ADI	获取价格	4:1 HDMI/DVI Switch with Equalization
AD8197A	ADI	获取价格	4:1 HDMI/DVI Switch with Equalization

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