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參數(shù)資料
| 型號： | MAX9247 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 27-Bit, 2.5MHz-to-42MHz DC-Balanced LVDS Serializer |
| 中文描述： | 27位、2.5MHz至42MHz、直流平衡、LVDS串行器 |
| 文件頁數(shù)： | 15/17頁 |
| 文件大?。?/td> | 330K |
| 代理商： | MAX9247 |
M
27-Bit, 2.5MHz-to-42MHz
DC-Balanced LVDS Serializer
______________________________________________________________________________________
15
Chip Information
PROCESS: CMOS
LVDS Output
The LVDS output is a current source. The voltage swing
is proportional to the termination resistance. The output
is rated for a differential load of 100
±
1%.
Cables and Connectors
Interconnect for LVDS typically has a differential imped-
ance of 100
. Use cables and connectors that have
matched differential impedance to minimize impedance
discontinuities.
Twisted-pair and shielded twisted-pair cables offer
superior signal quality compared to ribbon cable and
tend to generate less EMI due to magnetic field cancel-
ing effects. Balanced cables pick up noise as common
mode, which is rejected by the LVDS receiver.
Board Layout
Separate the LVTTL/LVCMOS inputs and LVDS output to
prevent crosstalk. A four-layer PC board with separate
layers for power, ground, and signals is recommended.
ESD Protection
The MAX9247 ESD tolerance is rated for IEC 61000-4-
2, Human Body Model and ISO 10605 standards. IEC
61000-4-2 and ISO 10605 specify ESD tolerance for
electronic systems. The IEC 61000-4-2 discharge com-
ponents are C
S
= 150pF and R
D
= 330
(Figure 16).
For IEC 61000-4-2, the LVDS outputs are rated for ±8kV
Contact Discharge and ±15kV Air-Gap Discharge. The
Human Body Model discharge components are C
S
=
100pF and R
D
= 1.5k
(Figure 17). For the Human
Body Model, all pins are rated for ±3kV Contact
Discharge. The ISO 10605 discharge components are
C
S
= 330pF and R
D
= 2k
(Figure 18). For ISO 10605,
the LVDS outputs are rated for ±10kV contact and
±30kV air discharge.
C
S
150pF
STORAGE
CAPACITOR
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
50
TO 100
R
D
330
Figure 16. IEC 61000-4-2 Contact Discharge ESD Test Circuit
STORAGE
CAPACITOR
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
1M
R
D
1.5k
C
S
100pF
Figure 17. Human Body ESD Test Circuit
STORAGE
CAPACITOR
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
50
TO 100
R
D
2k
C
S
330pF
Figure 18. ISO 10605 Contact Discharge ESD Test Circuit
相關PDF資料 |
PDF描述 |
|---|---|
| MAX9316A | 1:5 Differential LVPECL/LVECL/ HSTL Clock and Data Driver |
| MAX9316AEWP | 1:5 Differential LVPECL/LVECL/ HSTL Clock and Data Driver |
| MAX9316 | Quadruple 2-Input Positive-NAND Gates 14-CFP -55 to 125 |
| MAX9316EUP | 1:5 Differential LVPECL/LVECL/HSTL Clock and Data Driver |
| MAX9320B | 1:2 Differential PECL/ECL/LVPECL/LVECL Clock and Data Driver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9247_09 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:27-Bit, 2.5MHz-to-42MHz DC-Balanced LVDS Serializer |
| MAX9247_12 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:27-Bit, 2.5MHz-to-42MHz DC-Balanced LVDS Serializer |
| MAX9247ECM | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:27-Bit, 2.5MHz-to-42MHz DC-Balanced LVDS Serializer |
| MAX9247ECM/V | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:27-Bit, 2.5MHz-to-42MHz DC-Balanced LVDS Serializer |
| MAX9247ECM/V+ | 功能描述:串行器/解串器 - Serdes 27Bit 2.5-42MHz DC Blnc LVDS Serializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
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