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參數(shù)資料
| 型號： | MXL1344A |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | +5V Multiprotocol, Software-Selectable Cable Terminator |
| 中文描述： | +5V、多協(xié)議、軟件可選的電纜端接器 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 220K |
| 代理商： | MXL1344A |
M
the V.35 receiver. Internal to the MXL1344A, S1 and S2
are closed to connect the T-network resistors to the cir-
cuit.
The V.35 specification allows for ±4V of ground difference
between the V.35 generator and V.35 load, with data
rates as high as 10Mbps. The MXL1344A maintains cor-
rect termination impedance over these conditions.
V.35 EMI reduction
For applications where EMI reduction is especially
important, the MXL1344A termination networks provide
a pin for shunting common-mode driver currents to
GND. Mismatches between the driver A and B output
propagation delays can create a common-mode distur-
bance on the cable. This common-mode energy can be
shunted to GND by placing a 100pF capacitor to GND
from the center tap of the T-network termination (R1C,
R2C and R3C as shown in
Figure 5).
V.28 Termination
Most industry-standard V.28 receivers (including the
MXL1543) do not require external termination because
the receiver includes an internal 5k
termination resis-
tor. When the MXL1344A is placed in V.28 mode, all six
of the termination networks are placed in a high-Z
mode. In high-Z mode, the MXL1344A termination net-
works will not interfere with the MXL1543's internal 5k
termination.
In Figure 10, the MXL1344A and MXL1543 are placed
in V.28 mode. Switches S1 and S2 are opened on the
MXL1344A to place the network in high-Z mode. Switch
S3 is closed on the MXL1543 to enable the 5k
termi-
nating resistor.
A Complete X.21 Interface
A complete DTE-to-DCE interface operating in X.21
mode is shown in Figure 11. The MXL1344A terminates
the V.11 clock and data signals. The MXL1543 carries
the clock and data signals, and the MXL1544/MAX3175
carries the control signals. The control signals generally
do not require external termination.
Compliance Testing
A European Standard EN 45001 test report for the
MXL1543, MXL1544/MAX3175, and MXL1344A chipset
will be available from Maxim upon completion of test-
ing. Contact Maxim Quality Assurance for a copy of the
report.
Chip Information
TRANSISTOR COUNT: 1,054
PROCESS TECHNOLOGY: BiCMOS
+5V Multiprotocol, Software-Selectable
Cable Terminator
10
______________________________________________________________________________________
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
M1
M2
R1B
R1C
V
EE
M0
TOP VIEW
R6B
R6A
R5A
R5B
R2C
R2B
R2A
R1A
16
15
14
13
9
10
11
12
R4A
R4B
V
CC
GND
GND
R3C
R3B
R3A
24 SSOP
MAX1344A
LATCH
DCE/DTE
Pin Configuration
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| MXL1535EEWI | +3V to +5V, 2500VRMS Isolated RS-485/RS-422 Transceivers with 【15kV ESD Protection |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MXL1344ACAG | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MXL1344ACAG+ | 功能描述:接口 - 專用 5V Multiprotocol Cable Terminator RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MXL1344ACAG+T | 功能描述:接口 - 專用 5V Multiprotocol Cable Terminator RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MXL1344ACAG-G05 | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MXL1344ACAG-T | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
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