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PDF ISL72026SEH Data sheet ( Hoja de datos )
| Número de pieza | ISL72026SEH | |
| Descripción | 3.3V Radiation Tolerant CAN Transceiver | |
| Fabricantes | Intersil Corporation | |
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DATASHEET
3.3V Radiation Tolerant CAN Transceiver, 1Mbps, Listen
Mode, 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 of up to
1Mbps. 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.
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”
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 1Mbps
• 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•cm2/mg
- Low dose rate (0.01rad(Si)/s) . . . . . . . . . . . . . . 75krad(Si)
Applications
• Satellites and aerospace communications
• Telemetry data processing
• High-end industrial environments
• Harsh environments
Tx DATA IN
VCC
0.1µF
1D
RS 8
2 GND
CANH 7
ISL72026SEH
3 VCC
CANL 6
4R
LBK 5
CANH
CANL
µController
Rx DATA OUT
FIGURE 1. TYPICAL APPLICATION
D
4
0R
4
0
3
RS = GND, RD = 60Ω
2
1 CANH - CANL
0
TIME (1µs/DIV)
FIGURE 2. FAST DRIVER AND RECEIVER WAVEFORMS
November 9, 2015
FN8762.1
1
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. 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 page  
ISL72026SEH
Electrical Specifications Test Conditions: VCC = 3.0V to 3.6V; Typicals are at TA = +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
SYMBOL
TEST CONDITIONS
TEMP MIN TYP MAX
(°C) (Note 6) (Note 7) (Note 6) UNIT
Output Short Circuit Current
IOSC
VCANH = -7V, CANL = OPEN, 3.0V ≤ VCC ≤ 3.6V,
Figure 19
Full -250
-100
- mA
VCANH = +12V, CANL = OPEN, 3.0V ≤ VCC ≤ 3.6V, Full
-
0.4
1 mA
Figure 19
VCANL = -7V, CANH = OPEN, 3.0V ≤ VCC ≤ 3.6V, Full -1
Figure 19
-0.4
- mA
VCANL = +12V, CANH = OPEN, 3.0V ≤ VCC ≤ 3.6V,
Figure 19
Full
-
100 250 mA
Thermal Shutdown Temperature TSHDN
Thermal Shutdown Hysteresis THYS
RECEIVER ELECTRICAL CHARACTERISTICS
3.0V < VIN < 3.6V
3.0V < VIN < 3.6V
- - 163 - °C
- - 12 - °C
Input Threshold Voltage (Rising) VTHR
LBK = 0V, RS = 0V, 10k, 50k, (recessive to
dominant), Figures 14 and 15
Full -
750 900 mV
Input Threshold Voltage (Falling) VTHF
LBK = 0V, RS = 0V, 10k, 50k, (dominant to
recessive), Figures 14 and 15
Full 500
650
- mV
Input Hysteresis
VHYS
(VTHR - VTHF), RS = 0V, 10k, 50k, Figures 14 and
15
Full
40
90
- mV
Listen Mode Input Threshold
Voltage (Rising)
VTHRLM
RS = VCC, (recessive to dominant), Figure 14
Full -
920 1150 mV
Listen Mode Input Threshold
Voltage (Falling)
VTHFLM
RS = VCC, (dominant to recessive), Figure 14
Full 525
820
- mV
Listen Mode Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
Input Current for CAN Bus
VHYSLM
VOH
VOL
ICAN
(VTHR - VTHF), RS = VCC, Figure 14
IO = -4mA
IO = +4mA
CANH or CANL at 12V, D = 3V, other bus pin at 0V,
LBK = RS = 0V
Full
Full
Full
Full
50 100
-
2.4 VCC - 0.2
-
- 0.2 0.4
- 420 500
mV
V
V
µA
CANH or CANL at 12V, D = 3V, VCC = 0V, other bus Full
pin at 0V, LBK = RS = 0V
-
150 250 µA
CANH or CANL at -7V, D = 3V, other bus pin at 0V,
LBK = RS = 0V
Full
--400
-300
- µA
CANH or CANL at -7V,D = 3V, VCC = 0V, other bus pin Full
at 0V, LBK = RS = 0V
--150
-85
- µA
Input Capacitance
(CANH or CANL)
CIN Input to GND, D = 3V, LBK = RS = 0V
25 - 35 - pF
Differential Input Capacitance
Input Resistance
(CANH or CANL)
CIND
RIN
Input to Input, D = 3V, LBK = RS = 0V
Input to GND, D = 3V, LBK = RS = 0V
25 - 15 - pF
Full 20 40 50 kΩ
Differential Input Resistance
SUPPLY CURRENT
RIND
Input to Input, D = 3V, LBK = RS = 0V
Full 40
80 100 kΩ
Supply Current, Listen Mode
ICC(L)
RS = D = VCC, LBK = 0V, 3.0V≤ VCC ≤ 3.6V
Full - 1 2 mA
Supply Current, Dominant
ICC(DOM) D = LBK = RS = 0V, no load, 3.0V ≤ VCC ≤ 3.6V
Full
-
5
7 mA
Supply Current, Recessive
ICC(REC)
D = VCC, LBK = RS = 0V, no load, 3.0V ≤ VCC ≤ 3.6V Full
-
2.6
5 mA
COLD SPARING BUS CURRENT
CANH Leakage Current
CANL Leakage Current
IL(CANH)
IL(CANL)
VCC = 0.2V, CANH = -7V or 12V, CANL = float,
D = VCC, RS = 0V
VCC = 0.2V, CANL = -7V or 12V, CANH = float,
D = VCC, RS = 0V
Full -25
Full -25
-4
-4
25 µA
25 µA
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5
FN8762.1
November 9, 2015
5 Page 
ISL72026SEH
Typical Performance Curves CL = 15pF, TA = +25°C; Unless Otherwise Specified.
25 25
20
-55 °C
15
10
+125 °C
+25 °C
20
15
-55 °C
+125 °C
+25 °C
10
5
RS = GND, RDIFF = 60Ω
0
100 200 300 400 500 600 700 800 900 1000
DATA RATE (kbps)
FIGURE 20. SUPPLY CURRENT vs FAST DATA RATE vs TEMPERATURE
25
20
15
-55 °C
10
+125 °C
+25 °C
5
RS = 50kΩ, RDIFF = 60Ω
0
100 200 300 400 500 600 700 800 900 1000
DATA RATE (kbps)
FIGURE 22. SUPPLY CURRENT vs SLOW DATA RATE vs
TEMPERATURE
600
VCC = 3V OR 3.6V, RS = GND, D = VCC,
OTHER BUS PIN = GND
400
200
0
-200
+25 °C
-400
-600
-12
+125 °C
-55 °C
-9 -6 -3 0 3 6
BUS VOLTAGE (V)
FIGURE 24. BUS PIN LEAKAGE vs ±12V VCM
9
12
5
RS = 10kΩ, RDIFF = 60Ω
0
100 200 300 400 500 600 700 800 900
DATA RATE (kbps)
FIGURE 21. SUPPLY CURRENT vs MEDIUM DATA RATE vs
TEMPERATURE
1000
200
VCC = RS = GND, D = 3V, OTHER BUS PIN = GND
150
100
50 +25 °C
0 +125 °C
-50 -55 °C
-100
-8
-4 0
4
BUS VOLTAGE (V)
8
FIGURE 23. BUS PIN LEAKAGE vs VCM AT VCC = 0V
15
VCC = 3V OR 3.6V, RS = GND, D = VCC,
OTHER BUS PIN = GND
10
12
5
0
-5 +125 °C
-55 °C
+25 °C
-10
-15
-40
-30 -20 -10
0
10 20 30
BUS VOLTAGE (V)
FIGURE 25. BUS PIN LEAKAGE vs ±35V VCM
40
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FN8762.1
November 9, 2015
11 Page | ||
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| PDF Descargar | [ Datasheet ISL72026SEH.PDF ] | |
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