Datasheet > MAX9393

MAX9393

更新时间： 2023-12-20 18:44:44

品牌	Logo	应用领域
亚德诺 - ADI		开关
页数	文件大小	规格书
14页	186K
描述
任意逻辑至LVDS、双路、2 x 2交叉点开关

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中文翻译

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数据手册

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MAX9393 数据手册

Anything-to-LVDS Dual 2 x 2

Crosspoint Switches

Table 1. Input/Output Function Table

_SEL0

_SEL1

OUT_0 / OUT_0

IN_0 / IN_0

IN_1 / IN_1

OUT_1 / OUT_1

IN_0 / IN_0

IN_1 / IN_1

IN_0 / IN_0

IN_1 / IN_1

MODE

1:2 splitter

Repeater

Switch

1:2 splitter

discontinuities. Reduce reflections by maintaining the

50Ω characteristic impedance through connectors and

across cables. Minimize skew by matching the electri-

cal length of the traces.

Applications Information

Differential Inputs

The MAX9392/MAX9393 inputs accept any differential

signaling standard within the specified common-mode

voltage range. The fail-safe feature detects common-

mode input signal levels and generates a differential

output low condition for undriven inputs or when the

common-mode voltage exceeds the specified range.

Output Termination

Terminate LVDS outputs with a 100Ω resistor between

the differential outputs at the receiver inputs. LVDS out-

puts require 100Ω termination for proper operation.

Leave unused inputs unconnected or connect to V

for the MAX9392 or to GND for the MAX9393.

Ensure that the output currents do not exceed the cur-

rent limits specified in the Absolute Maximum Ratings.

Observe the total thermal limits of the MAX9392/

MAX9393 under all operating conditions.

Differential Outputs

The output common-mode voltage is not properly

established if the LVDS output is higher than 0.6V when

the supply voltage is ramping up at power-on. This

condition can occur when an LVDS output drives an

LVDS input on the same chip. To avoid this situation for

the MAX9392/MAX9393, connect a 10kΩ resistor from

the noninverting output (OUT_) to ground, and connect

a 10kΩ resistor from the inverting output (OUT_) to

ground. These pulldown resistors keep the output

below 0.6V when the supply is ramping up (Figure 8).

Cables and Connectors

Use matched differential impedance for transmission

media. Use cables and connectors with matched differ-

ential impedance to minimize impedance discontinu-

ities. Avoid the use of unbalanced cables. Balanced

cables such as twisted pair offer superior signal quality

and tend to generate less EMI due to canceling effects.

Board Layout

Use a four-layer printed circuit (PC) board providing

separate signal, power, and ground planes for high-

Expanding the Number of LVDS Output

Ports

Cascade devices to make larger switches. Consider

the total propagation delay and total jitter when deter-

mining the maximum allowable switch size.

speed signaling applications. Bypass V

to GND as

close to the device as possible. Install termination

resistors as close to receiver inputs as possible. Match

the electrical length of the differential traces to minimize

signal skew.

Power-Supply Bypassing

to GND with high-frequency surface-

Bypass each V

mount ceramic 0.1µF and 0.01µF capacitors in parallel

as close to the device as possible. Install the 0.01µF

capacitor closest to the device.

100Ω DIFFERENTIAL

TRANSMISSION LINE

MAX9392

MAX9393

OUT_

Differential Traces

Input and output trace characteristics affect the perfor-

mance of the MAX9392/MAX9393. Connect each input

and output to a 50Ω characteristic impedance trace.

Maintain the distance between differential traces and

eliminate sharp corners to avoid discontinuities in dif-

ferential impedance and maximize common-mode

noise immunity. Minimize the number of vias on the dif-

ferential input and output traces to prevent impedance

100Ω

TERMINATION

RESISTOR

10kΩ

GND

Figure 8. Pulldown Resistor Configuration for LVDS Outputs

10 ______________________________________________________________________________________

1...7 8 91011 12 13 14

中文翻译

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与MAX9393相关器件

型号	品牌	描述	获取价格	数据表
MAX9393EHJ	MAXIM	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches	获取价格
MAX9393EHJ+	MAXIM	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches	获取价格
MAX9393EHJ+T	MAXIM	暂无描述	获取价格
MAX9393EHJ-T	MAXIM	Cross Point Switch, 2 Func, 2 Channel, BIPolar, PQFP32, 5 X 5 MM, 1 MM HEIGHT, MS-026, TQF	获取价格
MAX9393ETJ	MAXIM	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches	获取价格
MAX9393ETJ*	MAXIM	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches	获取价格
MAX9393ETJ+	MAXIM	Cross Point Switch, 2 Func, 2 Channel, 5 X 5 MM, 0.80 MM HEIGHT, TQFN-32	获取价格
MAX9393ETJ+T	MAXIM	Cross Point Switch, 2 Func, 2 Channel, 5 X 5 MM, 0.80 MM HEIGHT, TQFN-32	获取价格
MAX9393ETJ-T	MAXIM	暂无描述	获取价格
MAX9394	MAXIM	2:1 Multiplexers and 1:2 Demultiplexers with Loopback	获取价格
MAX9394	ADI	2:1复用器和1:2解复用器，带有环回	获取价格
MAX9394_07	MAXIM	2:1 Multiplexers and 1:2 Demultiplexers with Loopback	获取价格
MAX9394\|MAX9395	MAXIM	2:1 Multiplexers and 1:2 Demultiplexers with Loopback	获取价格
MAX9394EHJ	MAXIM	2:1 Multiplexers and 1:2 Demultiplexers with Loopback	获取价格
MAX9394EHJ+	MAXIM	2:1 Multiplexers and 1:2 Demultiplexers with Loopback	获取价格
MAX9394EHJ+T	MAXIM	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BIPolar, PQFP32, 5 X 5 MM, 1 MM HEIGHT, TQFP-3	获取价格
MAX9394EHJ-T	MAXIM	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BIPolar, PQFP32, 5 X 5 MM, 1 MM HEIGHT, TQFP-3	获取价格
MAX9394ETI	MAXIM	2:1 Multiplexers and 1:2 Demultiplexers with Loopback	获取价格
MAX9394ETI*	MAXIM	2:1 Multiplexers and 1:2 Demultiplexers with Loopback	获取价格
MAX9394ETI-T	MAXIM	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BIPolar, 5 X 5 MM, 0.80 MM HEIGHT, TQFN-28	获取价格

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