ISO1050_13 Datasheet, PDF (14/33 Pages) Texas Instruments – ISOLATED CAN TRANSCEIVER

ISO1050
SLLS983H – JUNE 2009 – REVISED JUNE 2013
2.0 V
C = 0.1mF _{VCC 1}
± 1%
GND1
TXD
S1
0.8 V
RXD
V_{OH or} V_OL
1 kW
GND 1
C_L = 15 pF
(includes probe and
jig capacitance)
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V_CC2
CANH
60 W
C = 0.1mF ±1%
GND2
V_{OH or} V_OL
CANL
GND 2
V _TEST
Figure 16. Common-Mode Transient Immunity Test Circuit
ISO1050
CANH
30 W
47 nF
6.2 kW
10 nF
Spectrum Analyzer
TXD
500kbps
30 W
CANL
6.2 kW
Figure 17. Electromagnetic Emissions Measurement Setup
DEVICE INFORMATION
INPUTS
TXD
L ⁽²⁾
H
Open
X
DRIVER
OUTPUTS
CANH CANL
H
L
Z
Z
Z
Z
Z
Z
FUNCTION TABLE⁽¹⁾
RECEIVER
BUS STATE
DIFFERENTIAL INPUTS
V_ID = CANH–CANL
OUTPUT
RXD
DOMINANT
RECESSIVE
RECESSIVE
RECESSIVE
V_ID ≥ 0.9 V
L
0.5 V < V_ID < 0.9 V
?
V_ID ≤ 0.5 V
H
Open
H
(1) H = high level; L = low level; X = irrelevant; ? = indeterminate; Z = high impedance
(2) Logic low pulses to prevent dominant time-out.
BUS STATE
DOMINANT
?
RECESSIVE
RECESSIVE
14
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