DC1746A-A Linear Technology, DC1746A-A Datasheet - Page 9

• Manufacturer Part Number: DC1746A-A
• Description: EVALUATION KIT LOW EMI LTM2881-3
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1746A-A

• Main Purpose: Interface, Transceiver RS-422/RS-485
• Embedded: No
• Utilized Ic / Part: LTM2881
• Primary Attributes: 3V Supply, Isolated, Transceiver + Power
• Kit Contents: Board, Datasheet
• Tool / Board Applications: Interface-Backplane, PCI, PCI Express, RS-XXX, Digital & Opto Isolator
• Mcu Supported Families: LTM2881
• Development Tool Type: Hardware - Eval/Demo Board
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Secondary Attributes: -

BLOCK DIAGRAM
TEST CIRCUITS
GND
OR
V
L
Figure 1. Driver DC Characteristics
DI
DRIVER
RO
RE
DE
DI
ON
TE
D
V
L
OUT
Y
Z
V
2.2μF
V
+
–
2.2μF
OD
CC
= LOGIC SIDE COMMON
Figure 3. Receiver Input Current and Input Resistance
R
R
2881 F01
CONVERTER
ISOLATED
V
DC/DC
+
–
OC
INTERFACE
V
ISOLATED
IN
COMM
+
–
GND
I
IN
R
A OR B
B OR A
IN
=
V
I
IN
IN
RECEIVER
INTERFACE
ISOLATED
2881 F03
COMM
= ISOLATED SIDE COMMON
GND
GND2
OR
V
Figure 2. Driver Output Short-Circuit Current
L
DI
DX
RX
DRIVER
REG
5V
Y
Z
120Ω
2.2μF
V
SLO
CC2
D
IN
A
B
Y
Z
2881 F02
I
OSD
+
–
LTM2881
–7V TO 12V
2881fb
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