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參數(shù)資料
| 型號： | MAX3815CCM+D |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC EQUALIZER VIDEO 48-TQFP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 250 |
| 類型： | 視頻均衡器 |
| 應用： | HDMI，DVI，接收器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-TQFP 裸露焊盤 |
| 供應商設(shè)備封裝： | 48-TQFP 裸露焊盤（7x7） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 1423 (CN2011-ZH PDF) |
MAX3815
Detailed Description
The MAX3815 TMDS equalizer accepts differential CML
input data at rates of 250Mbps up to 1.65Gbps (individ-
ual channel data rate). It automatically adjusts to atten-
uation levels of up to 40dB at 825MHz due to
skin-effect losses in copper cable. It consists of four
CML input buffers, a loss-of-clock signal detector, three
independent adaptive equalizers, four limiting ampli-
fiers, and four output buffers (Figure 1).
CML Input Buffers and Output Drivers
The input buffers and the output drivers are implement-
ed using current-mode logic (CML) (see Figures 3 and
4). The output drivers are open-collector and can be
turned off with the OUTON pin, or can be set to output
a one-half amplitude signal (500mVP-P differential)
using the OUTLEVEL pin. For details on interfacing with
CML, refer to Maxim Application Note
HFAN-01.0:
Introduction to LVDS, PECL, and CML.
Loss-of-Clock Signal Detector
The loss-of-clock signal detector indicates a loss-of-
clock signal at the CLKLOS pin.
Adaptive Equalizer
The three data channels each contain an independent
adaptive equalizer. Each channel analyzes the incom-
ing signal and determines the amount of equalization to
apply.
Limiting Amplifier
The limiting amplifier amplifies the signal from the
adaptive equalizer and truncates the top and bottom of
the waveform to provide a clean high- and low-level
signal to the output drivers.
Applications Information
Typical shielded twisted pair (STP) and unshielded
twisted pair (UTP) cables exhibit skin-effect losses,
which attenuate the high-frequency spectrum of a
TMDS signal, eventually causing data errors or even
closing the signal eye altogether given a long enough
cable. The MAX3815 recovers the data and opens the
signal eye through compensating equalization.
The basic TMDS interface is composed of four differen-
tial serial links: three links carry serial data up to
1.65Gbps each, and the fourth is a one-tenth-rate
(0.1x) clock that operates up to 165MHz. TMDS, as with
TMDS Digital Video Equalizer for DVI/HDMI
Cables
6
_______________________________________________________________________________________
Pin Description (continued)
PIN
NAME
FUNCTION
20, 23, 24,
25, 28, 29,
32, 33, 36,
37, 42
GND
Ground
21
RXC_OUT-
Negative Clock Output, CML
22
RXC_OUT+
Positive Clock Output, CML
26
RX2_OUT+
Positive Data Output, CML
27
RX2_OUT-
Negative Data Output, CML
30
RX1_OUT+
Positive Data Output, CML
31
RX1_OUT-
Negative Data Output, CML
34
RX0_OUT+
Positive Data Output, CML
35
RX0_OUT-
Negative Data Output, CML
39
OUTLEVEL
Output-Level Control Input, LVTTL. This input sets the output amplitude to the standard DVI level
(1000mVP-P) when high, and sets the output amplitude to 1/2 the DVI level (500mVP-P) when low.
40
OUTON
Output-Enable Control Input, LVTTL. This input enables the CML outputs when forced low and sets a
differential logic zero when forced high.
45–48
N.C.
No Connection
EP
Exposed Pad
Ground. The exposed pad must be soldered to the circuit-board ground for proper
thermal and electrical operation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3815EVKIT-DVI | 功能描述:視頻 IC MAX3815 Evaluation Kit for DVI Cables RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX3815HDMIEVKIT+ | 功能描述:視頻 IC TMDS Digital Video Equalizer for DVI/HDMI Cables RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX3816ACUE+ | 功能描述:I2C 接口集成電路 TMDS Digi Video EQ for HDMI/DVI Cables RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| MAX3816ACUE+T | 功能描述:I2C 接口集成電路 TMDS Digi Video EQ for HDMI/DVI Cables RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| MAX3816CUE+ | 功能描述:I2C 接口集成電路 TMDS Digi Video EQ for HDMI/DVI Cables RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
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