DATASHEET
3.3V Radiation Tolerant CAN Transceiver with Listen
Mode and Loopback
ISL72026SEH
The Intersil
ISL72026SEH
is a radiation tolerant 3.3V CAN
transceiver that is compatible with the ISO11898-2 standard
for applications calling for Controller Area Network (CAN) serial
communication in satellites and aerospace communications
and telemetry data processing in harsh industrial
environments.
The transceiver can transmit and receive at bus speeds up to
5Mbps. It can drive a 40m cable at 1Mbps per the ISO11898-2
specification. The device is designed to operate over a
common-mode range of -7V to +12V with a maximum of 120
nodes. The device has three discrete selectable driver rise/fall
time options, a listen mode feature and loopback test capability.
Receiver (Rx) inputs feature a “full fail-safe” design, which
ensures a logic high Rx output if the Rx inputs are floating,
shorted, or terminated but undriven.
The ISL72026SEH is available in an 8 Ld hermetic ceramic
flatpack and die form that operate across the temperature
range of -55°C to +125°C. The logic inputs are tolerant with
5V systems.
Other CAN transceivers available are the
ISL72027SEH
and
ISL72028SEH.
For a list of differences see
Table 1 on page 2.
Features
• Electrically screened to SMD
5962-15228
• ESD protection on all pins. . . . . . . . . . . . . . . . . . . . . . 4kV HBM
• Compatible with ISO11898-2
• Operating supply range . . . . . . . . . . . . . . . . . . . . . 3.0V to 3.6V
• Bus pin fault protection to ±20V
• Undervoltage lockout
• Cold spare: powered down devices/nodes will not affect
active devices operating in parallel
• Three selectable driver rise and fall times
• Glitch free bus I/O during power-up and power-down
• Full fail-safe (open, short, terminated/undriven) receiver
• Hi Z input allows for 120 nodes on the bus
• High data rates. . . . . . . . . . . . . . . . . . . . . . . . . . . up to 5Mbps
• Quiescent supply current . . . . . . . . . . . . . . . . . . . . 7mA (max)
• Listen mode supply current . . . . . . . . . . . . . . . . . . 2mA (max)
• -7V to +12V common mode input voltage range
• 5V tolerant logic inputs
• Thermal shutdown
• Acceptance tested to 75krad(Si) (LDR) wafer-by-wafer
• Radiation tolerance
- SEL/B immune to LET 60MeV•cm
2
/mg
- Low dose rate (0.01rad(Si)/s) . . . . . . . . . . . . . . 75krad(Si)
Related Literature
•
UG051,
“ISL7202xSEHEVAL1Z Evaluation Board User Guide”
•
TR018,
“SEE Testing of the ISL72027SEH CAN Transceiver”
•
TR022,
“Total Dose Testing of the ISL72026SEH,
ISL72027SEH and ISL72028SEH CAN Transceivers”
Applications
• Satellites and aerospace communications
• Telemetry data processing
• High-end industrial environments
• Harsh environments
DRIVER OUTPUT (V) RECEIVER OUTPUT (V)
4
D
4
0
R
0
Tx DATA IN
1
2
D
GND
RS 8
CANH 7
CANH
CANL
VCC
0.1µF
3
4
ISL72026SEH
CANL 6
VCC
R
LBK 5
3
2
1
0
RS = GND, R
D
= 60Ω
CANH - CANL
µController
Rx DATA OUT
TIME (1µs/DIV)
FIGURE 1. TYPICAL APPLICATION
August 16, 2016
FN8762.3
FIGURE 2. FAST DRIVER AND RECEIVER WAVEFORMS
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|
Copyright Intersil Americas LLC 2015, ISL2016. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
1
DRIVER INPUT (V)
ISL72026SEH
Ordering Information
ORDERING / SMD
NUMBER (Note
1)
5962L1522801VXC
N/A
5962L1522801V9A
N/A
N/A
NOTES:
1. Specifications for Radiation Tolerant QML devices are controlled by the Defense Logistics Agency Land and Maritime (DLA). The SMD numbers listed
in the “Ordering Information” table must be used when ordering.
2. These Intersil Pb-free Hermetic packaged products employ 100% Au plate - e4 termination finish, which is RoHS compliant and compatible with both
SnPb and Pb-free soldering operations.
TABLE 1. ISL7202xSEH PRODUCT FAMILY FEATURE TABLE
SPEC
Loopback Feature
VREF Output
Listen Mode
Shutdown Mode
VTHRLM
VTHFLM
VHYSLM
Supply Current, Listen Mode
Supply Current, Shutdown Mode
VREF Leakage Current
N/A: Not Applicable
ISL72026SEH
Yes
No
Yes
No
1150mV (Max)
525mV (Min)
50mV (Min)
2mA (Max)
N/A
N/A
ISL72027SEH
No
Yes
Yes
No
1150mV (Max)
525mV (Min)
50mV (Min)
2mA (Max)
N/A
±25µA (Max)
ISL72028SEH
No
Yes
No
Yes
N/A
N/A
N/A
N/A
50µA (Max)
±25µA (Max)
PART NUMBER
(Note
2)
ISL72026SEHVF
ISL72026SEHF/PROTO
ISL72026SEHVX
ISL72026SEHX/SAMPLE
ISL72026SEHEVAL1Z
TEMPERATURE RANGE
(°C)
-55 to +125
-55 to +125
-55 to +125
-55 to +125
PACKAGE
(RoHS Compliant)
8 Ld Ceramic Flat Pack
8 Ld Ceramic Flat Pack
Die
Die
Evaluation Board
PACKAGE
DRAWING #
K8.A
K8.A
Pin Configuration
ISL72026SEH
(8 LD CERAMIC FLATPACK)
TOP VIEW
D
1
2
3
4
8
7
6
5
RS
CANH
CANL
LBK
Note: The package lid is
tied to ground.
GND
VCC
R
Pin Descriptions
PIN
NUMBER
1
2
3
4
8
6
7
5
PIN NAME
D
GND
VCC
R
RS
CANL
CANH
LBK
Ground connection.
System power supply input (3.0V to 3.6V). The typical voltage for the device is 3.3V.
CAN Data Receiver Output. The bus states are LOW = Dominant and HIGH = Recessive.
A resistor to GND from this pin controls the rise and fall time of the CAN output waveform. Drive RS HIGH to put into Listen Mode.
CAN bus line for low level output
CAN bus line for high level output
A HIGH on this pin places CANH and CANL pins in a high impedance state. The rest of the circuit remains active so that the TX
and RX can loopback diagnostic information. Internally tied LOW.
FUNCTION
CAN driver digital input. The bus states are LOW = Dominant and HIGH = Recessive. Internally tied HIGH.
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2
FN8762.3
August 16, 2016
ISL72026SEH
Equivalent Input and Output Schematic Diagrams
VCC
4k
INPUT
35k
OUTPUT
30V
VCC
OUTPUT
2k
30V
7k
GND
GND
30V
GND
FIGURE 3. CANH AND CANL INPUTS
FIGURE 4. CANH OUTPUT
FIGURE 5. CANL OUTPUT
VCC
COLD SPARE
VCC
VCC
VCC
LO/LPSD
INPUT
200k
5
10V
GND
GND
GND
330k
OUTPUT
5
10V
INPUT
10k
+
-
10V
FIGURE 6. D INPUT
FIGURE 7. R OUTPUT
FIGURE 8. RS INPUT
VCC
INPUT
50k
1pF
10V
200k
GND
FIGURE 9. LBK INPUT
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3
FN8762.3
August 16, 2016
ISL72026SEH
Absolute Maximum Ratings
VCC to GND with/without Ion Beam. . . . . . . . . . . . . . . . . . . . . -0.3V to 5.5V
CANH, CANL, VREF Under Ion Beam . . . . . . . . . . . . . . . . . . . . . . . . . . . ±18V
CANH, CANL, VREF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20V
I/O Voltages
D, R, RS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
Receiver Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . -10mA to 10mA
Output Short-Circuit Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating:
Human Body Model (Tested per MIL-PRF-883 3015.7)
CANH, CANL Bus Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4kV
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4kV
Charged Device Model (Tested per JESD22-C101D) . . . . . . . . . . . . . . 750V
Machine Model (Tested per JESD22-A115-A) . . . . . . . . . . . . . . . . . . . . 200V
Thermal Information
Thermal Resistance (Typical)
JA
(°C/W).
JC
(°C/W)
8 Ld FP Package (Notes
3, 4)
Direct Attach .
39
7
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .+175°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-55°C to +125°C
V
CC
Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0V to 3.6V
Voltage on CAN I/O. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -7V to 12V
V
IH
D Logic Pins (D, LBK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2V to 5.5V
V
IL
D Logic Pins (D, LBK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to 0.8V
I
OH
Driver (CANH - CANL = 1.5V, V
CC
= 3.3V) . . . . . . . . . . . . . . . . . . - 40mA
I
OH
Receiver (V
OH
= 2.4V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4mA
I
OL
Driver (CANH - CANL = 1.5V, V
CC
= 3.3V) . . . . . . . . . . . . . . . . . . +40mA
I
OL
Receiver (V
OL
= 0.4V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +4mA
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
3.
JA
is measured with the component mounted on a high effective thermal conductivity test board (two buried 1oz copper planes) with “direct attach”
features (package base mounted to PCB thermal land with a 10 mil gap fill material having a k of 1W/m-K. See Tech Brief
TB379.
4. For
JC
, the “case temp” location is the center of the package underside.
Electrical Specifications
Test Conditions: VCC = 3.0V to 3.6V; Typicals are at T
A
= +25°C (Note
7);
unless otherwise specified (Note
5).
Boldface limits apply across the operating temperature range, -55°C to +125°C or over a total ionizing dose of 75krad(Si) at +25°C with exposure at a
low dose rate of <10mrad(Si)/s.
PARAMETER
Dominant Bus Output Voltage
SYMBOL
V
O(DOM)
TEST CONDITIONS
D = 0V, CANH, RS = 0V,
Figures 10
and
11
D = 0V, CANL, RS = 0V,
Figures 10
and
11
Recessive Bus Output Voltage
V
O(REC)
D = 3V, CANH, RS = 0V, 60Ω 3.0V V
CC
≤
3.6V
and no load,
Figures 10
and
11
D = 3V, CANL, RS = 0V, 60Ω
and no load,
Figures 10
and
11
Dominant Output Differential
Voltage
V
OD(DOM)
D = 0V, RS = 0V, 3.0V
≤V
CC
≤
3.6V,
Figures 10
and
11
D = 0V, RS = 0V, 3.0V
≤
V
CC
≤
3.6V,
Figures 11
and
12
Recessive Output Differential
Voltage
V
OD(REC)
D=3V, RS = 0V, 3.0V
≤
V
CC
≤
3.6V,
Figures 10
and
11
D = 3V, RS = 0V, 3.0V
≤
V
CC
≤
3.6V, no load
Logic Input High Voltage (D, LBK) V
IH
Logic Input Low Voltage (D, LBK) V
IL
Logic High Level Input Current (D, I
IH
LBK)
Logic Low Level Input Current
(D, LBK)
I
IL
3.0V
≤
V
CC
≤
3.6V,
Note 8
3.0V
≤
V
CC
≤
3.6V,
Note 8
D = 2.0V, 3.0V
≤
V
CC
≤
3.6V,
Note 9
D = 0.8V, 3.0V
≤
V
CC
≤
3.6V,
Note 9
3.0V
≤
V
CC
≤
3.6V
3.0V
≤
V
CC
≤
3.6V
TEMP
(°C)
Full
Full
Full
MIN
(Note
6)
2.25
0.1
1.80
TYP
(Note
7)
2.85
0.65
2.3
MAX
(Note
6)
V
CC
1.25
2.70
UNIT
V
V
V
DRIVER ELECTRICAL CHARACTERISTICS
Full
1.80
2.3
2.80
V
Full
Full
Full
Full
Full
Full
Full
Full
Full
1.5
1.2
-120
-500
2.0
0
-30
-30
0.75 VCC
2.2
2.1
0.2
-34
-
-
-3
-7
1.9
3
3
12
50
5.5
0.8
30
30
5.5
V
V
mV
mV
V
V
µA
µA
V
RS Input Voltage for Listen Mode V
IN(RS)
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FN8762.3
August 16, 2016
ISL72026SEH
Electrical Specifications
Test Conditions: VCC = 3.0V to 3.6V; Typicals are at T
A
= +25°C (Note
7);
unless otherwise specified (Note
5).
Boldface limits apply across the operating temperature range, -55°C to +125°C or over a total ionizing dose of 75krad(Si) at +25°C with exposure at a
low dose rate of <10mrad(Si)/s. (Continued)
PARAMETER
Output Short-Circuit Current
SYMBOL
I
OSC
TEST CONDITIONS
V
CANH
= -7V, CANL = OPEN, 3.0V
≤
V
CC
≤
3.6V,
Figure 19
V
CANH
= +12V, CANL = OPEN, 3.0V
≤
V
CC
≤
3.6V,
Figure 19
V
CANL
= -7V, CANH = OPEN, 3.0V
≤
V
CC
≤
3.6V,
Figure 19
V
CANL
= +12V, CANH = OPEN, 3.0V
≤
V
CC
≤
3.6V,
Figure 19
Thermal Shutdown Temperature T
SHDN
Thermal Shutdown Hysteresis
Input Threshold Voltage (Rising)
T
HYS
V
THR
RECEIVER ELECTRICAL CHARACTERISTICS
LBK = 0V, RS = 0V, 10k, 50k, (recessive to
dominant),
Figures 14
and
15
LBK = 0V, RS = 0V, 10k, 50k, (dominant to
recessive),
Figures 14
and
15
(V
THR
- V
THF
), RS = 0V, 10k, 50k,
Figures 14
and
15
RS = V
CC
, (recessive to dominant),
Figure 14
RS = V
CC
, (dominant to recessive),
Figure 14
(V
THR
- V
THF
), RS = V
CC
,
Figure 14
I
O
= -4mA
I
O
= +4mA
CANH or CANL at 12V, D = 3V, other bus pin at 0V,
LBK = RS = 0V
CANH or CANL at 12V, D = 3V, V
CC
= 0V, other bus
pin at 0V, LBK = RS = 0V
CANH or CANL at -7V, D = 3V, other bus pin at 0V,
LBK = RS = 0V
CANH or CANL at -7V,D = 3V, V
CC
= 0V, other bus pin
at 0V, LBK = RS = 0V
Input Capacitance
(CANH or CANL)
Differential Input Capacitance
Input Resistance
(CANH or CANL)
Differential Input Resistance
SUPPLY CURRENT
Supply Current, Listen Mode
Supply Current, Dominant
Supply Current, Recessive
COLD SPARING BUS CURRENT
CANH Leakage Current
CANL Leakage Current
I
L(CANH)
I
L(CANL)
V
CC
= 0.2V, CANH = -7V or 12V, CANL = float,
D = V
CC
, RS = 0V
V
CC
= 0.2V, CANL = -7V or 12V, CANH = float,
D = V
CC
, RS = 0V
Full
Full
-25
-25
-4
-4
25
25
µA
µA
I
CC(L)
I
CC(DOM)
I
CC(REC)
RS = D = V
CC
, LBK = 0V, 3.0V≤ V
CC
≤
3.6V
D = LBK = RS = 0V, no load, 3.0V
≤
V
CC
≤
3.6V
D = V
CC
, LBK = RS = 0V, no load, 3.0V
≤
V
CC
≤
3.6V
Full
Full
Full
-
-
-
1
5
2.6
2
7
5
mA
mA
mA
C
IN
C
IND
R
IN
R
IND
Input to GND, D = 3V, LBK = RS = 0V
Input to Input, D = 3V, LBK = RS = 0V
Input to GND, D = 3V, LBK = RS = 0V
Input to Input, D = 3V, LBK = RS = 0V
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
25
25
Full
Full
-
500
40
-
525
50
2.4
-
-
-
--400
--150
-
-
20
40
750
650
90
920
820
100
V
CC
- 0.2
0.2
420
150
-300
-85
35
15
40
80
900
-
-
1150
-
-
-
0.4
500
250
-
-
-
-
50
100
mV
mV
mV
mV
mV
mV
V
V
µA
µA
µA
µA
pF
pF
kΩ
kΩ
3.0V < V
IN
< 3.6V
3.0V < V
IN
< 3.6V
TEMP
(°C)
Full
Full
Full
Full
-
-
MIN
(Note
6)
-250
-
-1
-
-
-
TYP
(Note
7)
-100
0.4
-0.4
100
163
12
MAX
(Note
6)
-
1
-
250
-
-
UNIT
mA
mA
mA
mA
°C
°C
Input Threshold Voltage (Falling) V
THF
Input Hysteresis
Listen Mode Input Threshold
Voltage (Rising)
Listen Mode Input Threshold
Voltage (Falling)
Listen Mode Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
Input Current for CAN Bus
V
HYS
V
THRLM
V
THFLM
V
HYSLM
V
OH
V
OL
I
CAN
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FN8762.3
August 16, 2016
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