Datasheet

ISO1050
30 W
CANH
CANL
47nF 10 nF
Spectrum Analyzer
TXD
500kbps
30 W
6.2kW
6.2kW
V
OL
V
OH
or
TXD
RXD
V
CC 1
1 k W
60
W
V
CC2
GND 1
V
TEST
GND 2
C
L
= 15 pF
(includesprobeand
jigcapacitance)
C = 0.1 F 1%
m
±CANH
CANL
GND1
C = 0.1 F
m
±
1%
S 1
2.0 V
0.8 V
V
OL
V
OH
or
GND2
ISO1050
SLLS983H –JUNE 2009–REVISED JUNE 2013 www.ti.com
Figure 16. Common-Mode Transient Immunity Test Circuit
Figure 17. Electromagnetic Emissions Measurement Setup
DEVICE INFORMATION
FUNCTION TABLE
(1)
DRIVER RECEIVER
INPUTS OUTPUTS DIFFERENTIAL INPUTS OUTPUT
BUS STATE BUS STATE
V
ID
= CANH–CANL RXD
TXD CANH CANL
L
(2)
H L DOMINANT V
ID
≥ 0.9 V L DOMINANT
H Z Z RECESSIVE 0.5 V < V
ID
< 0.9 V ? ?
Open Z Z RECESSIVE V
ID
≤ 0.5 V H RECESSIVE
X Z Z RECESSIVE Open H RECESSIVE
(1) H = high level; L = low level; X = irrelevant; ? = indeterminate; Z = high impedance
(2) Logic low pulses to prevent dominant time-out.
14 Submit Documentation Feedback Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links: ISO1050