參數(shù)資料
型號(hào)： MXL1543
廠商： Maxim Integrated Products, Inc.
英文描述： MC FILTER
中文描述： +5V、多協(xié)議、3Tx/3Rx、軟件可選的時(shí)鐘/數(shù)據(jù)收發(fā)器
文件頁(yè)數(shù)： 10/18頁(yè)
文件大?。?/td> 343K
代理商： MXL1543
M
is disabled and receiver R1 is activated. M0, M1, M2,
and DCE/
DTE
are internally pulled up to V
CC
to ensure
a logic HIGH if left unconnected.
No-Cable Mode
The MXL1543 will enter no-cable mode when the
mode-select pins are left unconnected or connected
high (M0 = M1 = M2 = 1). In this mode, the multiproto-
col drivers and receivers are disabled and the supply
current drops to 0.5μA. The receivers
’
outputs enter a
high-impedance state in no-cable mode, which allow
these output lines to be shared with other receivers
’
outputs (the receivers
’
outputs have internal pullup
resistors to pull the outputs HIGH if not driven). Also, in
no-cable mode, the transmitter outputs enter a high-
impedance state so that these output lines can be
shared with other devices.
Dual Charge-Pump Voltage Converter
The MXL1543
’
s internal power supply consists of a reg-
ulated dual charge pump that provides positive and
negative output voltages from a +5V supply. The
charge pump operates in discontinuous mode. If the
output voltage is less than the regulated voltage, the
charge pump is enabled. If the output voltage exceeds
the regulated voltage, the charge pump is disabled.
Each charge pump requires a flying capacitor (C1, C2)
and a reservoir capacitor (C3, C5) to generate the V
DD
and V
EE
supplies. Figure 10 shows charge-pump con-
nections.
Fail-Safe Receivers
The MXL1543 guarantees a logic-high receiver output
when the receiver inputs are shorted or open, or when
they are connected to a terminated transmission line
with all the drivers disabled. This is done by setting the
receivers
’
threshold between -25mV and -200mV in the
+5V Multiprotocol, 3Tx/3Rx, Software-
Selectable Clock/Data Transceivers
10
______________________________________________________________________________________
MXL1543
MODE NAME
M2
M1
M0
DCE/
DTE
T1
T2
T3
R1
R2
R3
Not Used (Default V.11)
RS-530A
RS-530
X.21
V.35
RS-449/V.36
V.28/RS-232
No Cable
Not Used (Default V.11)
RS-530A
RS-530
X.21
V.35
RS-449/V.36
V.28/RS-232
No Cable
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
Z
Z
Z
Z
Z
Z
Z
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
Z
Z
Z
Z
Z
Z
Z
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
V.11
V.11
V.11
V.11
V.35
V.11
V.28
Z
Table 1. Mode Selection
C2-
V
EE
C2+
MXL1543
GND
C1-
5V
V
CC
V
DD
C1+
C1
1
μ
F
C5
4.7
μ
F
C2
1
μ
F
C3
4.7
μ
F
C4
1
μ
F
Figure 10. Charge Pump
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MXL1543B 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+5V Multiprotocol, 3Tx/3Rx, Software- Selectable Clock/Data Transceivers
MXL1543BCAI 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(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
MXL1543BCAI+ 功能描述:接口 - 專用 5V Multiptcl 3Tx/3Rx Clock/Data Tcvr 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(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
MXL1543BCAI+T 功能描述:接口 - 專用 5V Multiptcl 3Tx/3Rx Clock/Data Tcvr 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(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
MXL1543BCAI-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(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
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