DC1746A-A Linear Technology, DC1746A-A Datasheet - Page 10

• 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: -

LTM2881
TEST CIRCUITS
10
GND
OR
V
V
L
±V
CM
±V
AB
AB
DI
/2
/2
DI
DRIVER
DE
DRIVER
A
B
Y
Z
RECEIVER
Y
Z
R
Figure 5. Driver Enable and Disable Timing Measurements
DIFF
C
C
2881 F04a
L
L
Figure 6. Receiver Propagation Delay Measurements
R
R
RO
L
L
C
C
L
L
2881 F06a
Figure 4. Driver Timing Measurement
2881 F05a
C
GND
OR
V
V
OR
GND
L
CC2
CC2
Y OR Z
Z OR Y
DE
(Y-Z)
A-B
Y, Z
RO
DI
V
CC2
–V
0V
0V
V
V
0V
L
V
AB
AB
V
V
L
0
L
OD
1/2 V
1/2 V
10%
90%
L
OD
10%
10%
t
PLHD
90%
90%
t
t
ZHD
ZLD
0
t
0
R
1/2 V
1/2 V
1/2 V
t
t
PLHR
SKEWD
t
t
L
RR
RD
CC2
CC2
1/2 V
t
PHLD
90%
0
L
10%
t
t
HZD
LZD
90%
90%
t
F
10%
10%
t
PHLR
t
t
FD
FR
0.5V
0.5V
2881 F04b
2881 F06b
2881 F05b
2881fb