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參數(shù)資料
| 型號： | MAX9171EKA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RECEIVER LVDS LINE SOT23-8 |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 接收器 |
| 驅動器/接收器數(shù)： | 0/1 |
| 規(guī)程： | LVDS |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-8 |
| 供應商設備封裝： | SOT-23-8 |
| 包裝： | 帶卷 (TR) |
MAX9171/MAX9172
ESD Protection
ESD protection structures are incorporated on all pins
to protect against electrostatic discharges encountered
during handling and assembly. The receiver inputs of
the MAX9171/MAX9172 have extra protection against
static electricity. These pins are protected to ±13kV
without damage. The structures withstand ESD during
normal operation and when powered down.
The receiver inputs of these devices are characterized
for protection to the limit of ±13kV using the Human
Body Model.
Human Body Model
Figure 4a shows the Human Body Model, and Figure
4b shows the current waveform it generates when dis-
charged into a low-impedance load. This model con-
sists of a 100pF capacitor charged to the ESD test
voltage, which is then discharged into the test device
through a 1.5k
resistor.
Applications Information
Supply Bypassing
Bypass VCC with high-frequency surface-mount ceram-
ic 0.1F and 0.001F capacitors in parallel, as close to
the device as possible, with the 0.001F capacitor clos-
est to the device. For additional supply bypassing,
place a 10F tantalum or ceramic capacitor at the point
where power enters the circuit board.
Differential Traces
Input trace characteristics affect the performance of the
MAX9171/MAX9172. Use controlled-impedance PCB
traces to match the cable characteristic impedance.
Eliminate reflections and ensure that noise couples as
common mode by running the differential traces close
together. Reduce skew by matching the electrical
length of traces.
Each channel’s differential signals should be routed
close to each other to cancel their external magnetic
field. Maintain a constant distance between the differ-
ential traces to avoid discontinuities in differential
impedance. Avoid 90° turns and minimize the number
of vias to further prevent impedance discontinuities.
Cables and Connectors
Transmission media typically have a controlled differen-
tial impedance of about 100
. Use cables and connec-
tors that have matched differential impedance to
minimize impedance discontinuities. Balanced cables
tend to pick up noise as common mode, which is
rejected by the LVDS receiver.
Termination
The MAX9171/MAX9172 require an external termination
resistor. The termination resistor should match the differ-
ential impedance of the transmission line. Termination
resistance values may range between 90
to 132,
depending on the characteristic impedance of the
transmission medium.
When using the MAX9171/MAX9172, minimize the dis-
tance between the input termination resistors and the
MAX9171/MAX9172 receiver inputs. Use a single 1%
surface-mount resistor.
Board Layout
For LVDS applications, a four-layer PCB that provides
separate power, ground, LVDS signals, and output sig-
nals is recommended. Separate the input LVDS signals
from the output signals to prevent crosstalk. Solder the
exposed pad on the TDFN package to a pad connected
to the PCB ground plane by a matrix of vias. Connecting
the exposed pad is not a substitute for connecting the
ground pin. Always connect pin 5 on the TDFN pack-
age to ground.
Chip Information
TRANSISTOR COUNT: 624
PROCESS: CMOS
Single/Dual LVDS Line Receivers with
“In-Path” Fail-Safe
8
_______________________________________________________________________________________
CHARGE-CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
RC 1M
RD 1500
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 4a. Human Body ESD Test Modules
IP 100%
90%
36.8%
tRL
TIME
tDL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
Ir
10%
0
AMPERES
Figure 4b. Human Body Current Waveform
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9171ESA | 制造商:Maxim Integrated Products 功能描述:SINGLE/DUAL LVDS LINE RECEIVERS WITH IN-PATH" - Bulk |
| MAX9171ESA+ | 制造商:Maxim Integrated Products 功能描述:LINE RCVR 1RX 8SOIC N - Rail/Tube |
| MAX9171ESA+T | 制造商:Maxim Integrated Products 功能描述:LINE RCVR 1RX 8SOIC N - Tape and Reel |
| MAX9171ETA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Single/Dual LVDS Line Receivers with “In-Path” Fail-Safe |
| MAX9172 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Single/Dual LVDS Line Receivers with “In-Path” Fail-Safe |
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