ADV7401视频解码器配置推荐手册及详细介绍【2021最新版】

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The ADV7401 Integrated Multi-Format SDTV/HDTV Video Decoder and RGB Graphics Digitizer is a versatile and high-performance video processing solution. The manual provides detailed recommendations for configuring the ADV7401 to ensure optimal performance and compatibility with different video formats. The manual covers various aspects of the ADV7401, including the analogue front-end and standard definition capabilities. The ADV7401 offers advanced features for decoding both standard definition and high definition video signals, making it suitable for a wide range of applications. The integrated RGB graphics digitizer allows for seamless conversion of analog RGB signals to digital format, providing enhanced flexibility and compatibility. Overall, the ADV7401 manual provides comprehensive information on the setup, operation, and troubleshooting of the video decoder, making it an essential resource for users looking to maximize the performance of their video processing system. The manual's January 2007 revision ensures that it is up-to-date and reflects the latest advancements in video processing technology. With its detailed configuration recommendations and in-depth technical information, the ADV7401 manual is a valuable tool for achieving optimal video processing results.

ADV7401

Rev. B January 2007 10

Pin No. Mnemonic Type Function

15 SFL/SYNC_O

O SFL (Subcarrier Frequency Lock); this pin contains a serial

output stream which can be used to lock the subcarrier

frequency when this decoder is connected to any Analog

Devices digital video encoder. SYNC_OUT is the sliced sync

output signal only available in CP mode.

64 REFOUT O Internal voltage reference output.

65 CML O The CML pin is a common-mode level for the internal ADCs.

61, 62 CAPY1–

CAPY2

I ADC capacitor network.

68, 69 CAPC1–

CAPC2

I ADC capacitor network.

67 BIAS O BIAS is an external bias setting pin. Connect the

recommended resistor (1.35kΩ) between pin and ground.

86 HS_IN/CS_IN I Can be configured in CP mode to be either a digital HS input

signal or a digital CS input signal used to extract timing in a

5-wire or 4-wire RGB mode.

85 VS_IN I VS input signal used in CP mode for 5-wire timing mode.

79 DE_IN I DE_IN is a data enable input signal used in 24-bit digital

input port mode, for example,

24-bit RGB data from a DVI Rx IC.

35 DCLK_IN I DCLK_IN is a clock input signal used in 24-bit digital input

mode (e.g. 24-bit RGB data from a DVI Rx IC) and also in

digital CVBS input mode.

52 SOG I SOG is a sync on green input used in embedded sync mode.

77 SOY I SOY is a sync on luma input used in embedded sync mode.

ADV7401

Rev. B January 2007 11

1.8 Absolute Maximum Ratings

Table 2: Absolute Maximum Ratings

Parameter Rating

VDD

to AGND 4 V

VDD

to DGND 2.2 V

VDD

to AGND 2.2 V

VDDIO

to DGND 4 V

VDDIO

to A

VDD

−0.3V to +0.3V

VDD

to D

VDD

−0.3V to +0.3 V

VDDIO

to P

VDD

−0.3V to +2 V

VDDIO

to D

VDD

−0.3V to +2 V

VDD

to P

VDD

−0.3V to +2 V

VDD

to D

VDD

−0.3V to +2 V

Digital Inputs Voltage to DGND DGND − 0.3V to D

VDDIO

+ 0.3 V

Digital Outputs Voltage to DGND DGND − 0.3V to D

VDDIO

+ 0.3 V

Analog Inputs to AGND AGND − 0.3V to A

VDD

+ 0.3 V

Maximum Junction Temperature (T

MAX

) 125°C

Storage Temperature Range −65°C to +150°C

Infrared Reflow Soldering (20 secs) 260°C

1.9 Ordering Guide

Table 3: Ordering Guide

Model Temperature

Range

Package

Description

Package Option

ADV7401BSTZ-80 −40°C to + 85°C LQFP ST-100

ADV7401BSTZ-110 −40°C to + 85°C LQFP ST-100

ADV7401KSTZ-140 0°C to + 70°C LQFP ST-100

EVAL-ADV7401EBM Evaluation Board

Notes:

• The ADV7401 is a Pb-free environmentally friendly product. It is manufactured using the most up-to-date

materials and processes. The coating on the leads of each device is 100% pure Sn electroplate. The device is

suitable for Pb-free applications, and is able to withstand surface-mount soldering at up to 255°C (±5°C). In

addition, it is backward compatible with conventional SnPb soldering processes. This means that the

electroplated Sn coating can be soldered with SnPb solder pastes at conventional reflow temperatures of 220°C

to 235°C.

• Stresses above those listed in Table 2 can cause permanent damage to the device. This is a stress rating only,

and functional operation of the device at these or any other conditions above those indicated in the operational

sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended

periods can affect device reliability.

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