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參數(shù)資料
| 型號： | MAX9153 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Jitter, 800Mbps, 10-Port LVDS Repeaters with 100 зDrive |
| 中文描述： | 低抖動、800Mbps、10端口、LVDS轉(zhuǎn)發(fā)器，100Ω驅(qū)動 |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 208K |
| 代理商： | MAX9153 |
M
Low-Jitter, 800Mbps, 10-Port LVDS
Repeaters with 100
Drive
_______________________________________________________________________________________
7
impedance (to ground) when
PWRDN
= low or the
device is not powered. The outputs have a typical dif-
ferential resistance of 238
. The internal differential
output resistance terminates induced noise and reflec-
tions from the primary termination located at the LVDS
receiver.
The MAX9153/MAX9154 current-steering output
requires a resistive load to terminate the signal and
complete the transmission loop. Because the devices
switch the direction of current flow and not voltage lev-
els, the output voltage swing is determined by the value
of the termination resistor multiplied by the output cur-
rent. With a typical 3.8mA output current, the
MAX9153/MAX9154 produce a 380mV output voltage
when driving a transmission line terminated with a 100
resistor (3.8mA x 100
= 380mV). Logic states are
determined by the direction of current flow through the
termination resistor.
Fail-Safe
The fail-safe feature of the MAX9153 sets the outputs
high when the differential input is:
Open
Undriven and shorted
Undriven and terminated
Without a fail-safe circuit, when the input is undriven,
noise at the input may switch the outputs and it may
appear to the system that data is being sent. Open or
undriven terminated input conditions can occur when a
cable is disconnected or cut, or when an LVDS driver
output is in high impedance. A shorted input can occur
because of a cable failure.
When the input is driven with signals meeting the LVDS
standard, the input common-mode voltage is less than
V
CC
- 0.3V and the fail-safe circuit is not activated. If
the input is open, undriven and shorted, or undriven
and parallel terminated, an internal resistor in the fail-
safe circuit pulls both inputs above V
CC
- 0.3V, activat-
ing the fail-safe circuit and forcing the outputs high
(Figure 1).
The MAX9154 is essentially the MAX9153 without the
fail-safe circuit. The MAX9154 accepts input voltages
from 0 to V
CC
(vs. 0 to 2.4V for the MAX9153), which
allows interfacing to LVPECL input signals while retain-
ing a good common-mode tolerance.
Table 1. Input/Output Function Table
Note:
V
ID
= RIN+ - RIN-, V
OD
= DO_+ - DO_-
High = 450mV > V
OD
> 250mV
Low = -250mV > V
OD
> -450mV
MAX9153
V
CC
R
IN2
V
CC
- 0.3V
COMPARATOR
R
IN1
/2
R
IN1
/2
RIN+
RIN-
RECEIVER
DO1+
DO1-
DO10+
DO10-
Figure 1. MAX9153 Input Fail-Safe Circuit
MAX9154
R
IN3
R
IN3
RIN+
RIN-
DO1+
DO1-
DO10+
DO10-
V
CC
RECEIVER
Figure 2. MAX9154 Input Bias Resistors
INPUT, V
ID
OUTPUTS, V
OD
High
Low
High
High
High
+50mV
-50mV
Open
MAX9153
MAX9154
Undriven short
Undriven terminated
MAX9153
MAX9153
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PDF描述 |
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| MAX9154EUI | Low-Jitter, 800Mbps, 10-Port LVDS Repeaters with 100 зDrive |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9153EUI | 制造商:Maxim Integrated Products 功能描述:LOW-JITTER, 800MBPS, 10-PORT LVDS REPEATERS W - Bulk |
| MAX9153EUI+ | 功能描述:LVDS 接口集成電路 800Mbps 10-Port LVDS Repeater 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 |
| MAX9153EUI+T | 功能描述:LVDS 接口集成電路 800Mbps 10-Port LVDS Repeater 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 |
| MAX9153EUI-T | 制造商:Maxim Integrated Products 功能描述:LOW-JITTER, 800MBPS, 10-PORT LVDS REPEATERS W - Tape and Reel |
| MAX9154 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Jitter.800Mbps.10-Port LVDS Repeaters with 100＜img src=http://dbserv.maxim-ic.com/images/ohm.gif width=12 height=9 Drive |
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