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參數(shù)資料
| 型號： | SN75LVDS32DG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | Buffer和線驅(qū)動 |
| 英文描述： | QUAD LINE RECEIVER, PDSO16 |
| 封裝： | GREEN, PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 381K |
| 代理商： | SN75LVDS32DG4 |
SN75LVDS32, SN75LVDS9637
HIGH-SPEED DIFFERENTIAL LINE RECEIVERS
SLLS360B – JUNE 1999 – REVISED JUNE 2001
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
fail safe
One of the most common problems with differential signaling applications is how the system responds when
no differential voltage is present on the signal pair. The LVDS receiver is like most differential line receivers, in
that its output logic state can be indeterminate when the differential input voltage is between –100 mV and
100 mV if it is within its recommended input common-mode voltage range. TI’s LVDS receiver is different in how
it handles the open-input circuit situation, however.
Open-circuit means that there is little or no input current to the receiver from the data line itself. This could be
when the driver is in a high-impedance state or the cable is disconnected. When this occurs, the LVDS receiver
will pull each line of the signal pair to near VCC through 300-k resistors as shown in Figure 9. The fail-safe
feature uses an AND gate with input voltage thresholds at about 2.3 V to detect this condition and force the
output to a high level, regardless of the differential input voltage.
Rt
300 k
300 k
VCC
VIT ≈ 2.3 V
A
B
Y
Figure 9. Open-Circuit Fail Safe of the LVDS Receiver
It is only under these conditions that the output of the receiver will be valid with less than a 100-mV differential
input voltage magnitude. The presence of the termination resistor, Rt, does not affect the fail-safe function as
long as it is connected as shown in the figure. Other termination circuits may allow a dc current to ground that
could defeat the pullup currents from the receiver and the fail-safe feature.
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相關(guān)代理商/技術(shù)參數(shù) |
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| SN75LVDS32DR | 功能描述:LVDS 接口集成電路 Quad HS Differential Receivers RoHS:否 制造商:Texas Instruments 激勵器數(shù)量:4 接收機數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel |
| SN75LVDS32DRG4 | 功能描述:LVDS 接口集成電路 Quad HS Differential Receivers RoHS:否 制造商:Texas Instruments 激勵器數(shù)量:4 接收機數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel |
| SN75LVDS32PW | 功能描述:LVDS 接口集成電路 Quad HS Diff RoHS:否 制造商:Texas Instruments 激勵器數(shù)量:4 接收機數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel |
| SN75LVDS32PWG4 | 功能描述:LVDS 接口集成電路 Quad HS Diff RoHS:否 制造商:Texas Instruments 激勵器數(shù)量:4 接收機數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel |
| SN75LVDS32PWR | 功能描述:IC QUAD DIFF RECEIVR HS 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,140 系列:AU 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND |
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