MXL1544CAI+ Maxim Integrated Products, MXL1544CAI+ Datasheet - Page 14

• Manufacturer Part Number: MXL1544CAI+
• Description: IC TXRX MULTIPROTOCOL 28-SSOP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MXL1544CAI+

• Number Of Drivers/receivers: 4/4
• Protocol: RS232
• Voltage - Supply: 5VDC
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Logic Family: MXL1544
• Logic Type: Software Selectable Control Transceiver
• Supply Voltage (max): 6 V
• Supply Voltage (min): - 0.3 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Data Rate: 2 Mbps
• Interface: RS-232, RS-423, RS-449
• Maximum Power Dissipation: 889 mW
• Minimum Operating Temperature: 0 C
• Output Current: - 50 mA to + 50 mA
• Output Voltage: - 0.3 V to + 6.3 V
• Supply Current: 95 mA
• Slew Rate: 30V/µs
• Supply Voltage Range: 5V
• Logic Case Style: SSOP
• No. Of Pins: 28
• Operating Temperature Range: 0°C To +70°C
• Termination Type: SMD
• Transceiver Type: Multiprotocol
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Driver Case Style: SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

+5V Multiprotocol, Software-Selectable
Control Transceivers
Figure 14. V.11 Internal Resistance Networks
Figure 16 shows a port with one DB-25 connector that
can be configured for either DTE or DCE operation. The
configuration requires separate cables for proper sig-
nal routing in DTE or DCE operation. Figure 16 illus-
trates a DCE or DTE controller-selectable interface. The
DCE/DTE and INVERT inputs switch the port’s mode of
operation (Table 1).
The MXL1543 and MXL1544/MAX3175 can be connect-
ed for either DTE or DCE operation in one of two ways:
a dedicated DTE or DCE port with an appropriate gen-
der connector or a port with a connector that can be
configured for DTE or DCE operation by rerouting the
signals to the MXL1543 and MXL1544/MAX3175 using
14
A′
B′
C′
______________________________________________________________________________________
A
B
GND
S3
R8
5kΩ
30kΩ
30kΩ
R5
R4
10kΩ
R6
DTE vs. DCE Operation
R7
10kΩ
RECEIVER
MXL1544
MAX3175
a dedicated DTE cable or dedicated DCE cable. The
interface mode is selected by logic outputs from the
controller or from jumpers to either V
mode select pins. A dedicated DCE port using a DB-25
female connector is shown in Figure 17. Figure 18 illus-
trates a dedicated DTE port using a DB-25 male con-
nector.
Figure 15. V.28 Termination and Internal Resistance Network
A′
B′
C′
A
B
GND
S3
R8
5kΩ
30kΩ
30kΩ
R5
R4
10kΩ
10kΩ
R6
R7
CC
RECEIVER
MAX3175
MXL1544
or GND on the