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PDF ISL72028SEH Data sheet ( Hoja de datos )
| Número de pieza | ISL72028SEH | |
| Descripción | 3.3V Radiation Tolerant CAN Transceiver | |
| Fabricantes | Intersil Corporation | |
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DATASHEET
3.3V Radiation Tolerant CAN Transceiver, with Low
Power Shutdown, Split Termination Output
ISL72028SEH
The Intersil ISL72028SEH 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
low power shutdown mode and a split termination output.
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 ISL72028SEH 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 ISL72026SEH and
ISL72027SEH. For a list of differences see Table 1 on page 2.
Related Literature
• UG051, “ISL7202xSEHEVAL1Z Evaluation Board User Guide”
• TR018, “Single Event Effects (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 5Mbps
• Quiescent supply current . . . . . . . . . . . . . . . . . . . . 7mA (max)
• Low power shutdown mode . . . . . . . . . . . . . . . . . .50µA (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
ISL72028SEH
3 VCC
CANL 6
4R
VREF 5
CANH
CANL
Rx DATA OUT
FIGURE 1. TYPICAL APPLICATION
D
4
0R
4
0
3
2 RS = GND, RDIFF = 60Ω
1 CANH - CANL
0
TIME (1µs/DIV)
FIGURE 2. FAST DRIVER AND RECEIVER WAVEFORMS
August 16, 2016
FN8764.3
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, 2016. 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  
ISL72028SEH
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 18
Full -250
-100
- mA
VCANH = +12V, CANL = OPEN, 3.0V ≤ VCC ≤ 3.6V,
Figure 18
Full -
0.4 1.0 mA
VCANL = -7V, CANH = OPEN, 3.0V ≤ VCC ≤ 3.6V,
Figure 18
Full -1.0
-0.4
- mA
VCANL = +12V, CANH = OPEN, 3.0V ≤ VCC ≤ 3.6V,
Figure 18
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
RS = 0V, 10k, 50k, (recessive to dominant),
Figures 14 and 15
Full -
750 900 mV
Input Threshold Voltage (Falling) VTHF
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
Receiver Output High Voltage
Receiver Output Low Voltage
Input Current for CAN Bus
VOH
VOL
ICAN
IO = -4mA
IO = +4mA
CANH or CANL at 12V, D = 3V, other bus pin at 0V,
RS = 0V
Full 2.4 VCC - 0.2 -
V
Full -
0.2 0.4 V
Full -
420 500 µA
CANH or CANL at 12V, D = 3V, VCC = 0V, other bus pin Full
at 0V, RS = 0V
-
150 250 µA
CANH or CANL at -7V, D = 3V, other bus pin at 0V,
RS = 0V
Full -400
-300
- µA
CANH or CANL at -7V, D = 3V, VCC = 0V, other bus pin at Full
0V, RS = 0V
-150
-85
- µA
Input Capacitance (CANH or CANL)
Differential Input Capacitance
Input Resistance (CANH or CANL)
Differential Input Resistance
SUPPLY CURRENT
CIN
CIND
RIN
RIND
Input to GND, D = 3V, RS = 0V
Input to input, D = 3V, RS = 0V
Input to GND, D = 3V, RS = 0V
Input to input, D = 3V, RS = 0V
25 -
25 -
Full 20
Full 40
35 - pF
15 - pF
40 50 kΩ
80 100 kΩ
Supply Current, Low Power
Shutdown Mode
ICC(LPS)
RS = D = VCC, 3.0V ≤ VCC ≤ 3.6V, Note 9
Full -
20 50 µA
Supply Current, Dominant
Supply Current, Recessive
COLD SPARING BUS CURRENT
ICC(DOM)
ICC(REC)
D = RS = 0V, no load, 3.0V ≤ VCC ≤ 3.6V
D = VCC, RS = 0V, no load, 3.0V ≤ VCC ≤ 3.6V
Full -
Full -
5 7 mA
2.6 5.0 mA
CANH Leakage Current
IL(CANH)
VCC = 0.2V, CANH = -7V or 12V, D = VCC, CANL = float, Full
-25
-4
25 µA
RS = 0V
CANL Leakage Current
IL(CANL)
VCC = 0.2V, CANL = -7V or 12V, D = VCC, CANH = float, Full
-25
-4
25 µA
RS = 0V
VREF Leakage Current
IL(VREF)
DRIVER SWITCHING CHARACTERISTICS
VCC = 0.2V, VREF = -7V or 12V, D = VCC
Full -25.00 0.01 25.00 µA
Propagation Delay LOW to HIGH
Propagation Delay LOW to HIGH
Propagation Delay LOW to HIGH
Propagation Delay HIGH to LOW
tPDLH1
tPDLH2
tPDLH3
tPDHL1
RS = 0V, Figure 13
RS = 10kΩ, Figure 13
RS = 50kΩ, Figure 13
RS = 0V, Figure 13
Full -
Full -
Full -
Full -
75 150 ns
520 850 ns
850 1400 ns
80 155 ns
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5
FN8764.3
August 16, 2016
5 Page 
ISL72028SEH
Typical Performance Curves CL = 15pF, TA = +25°C; unless otherwise specified.
25
-55 °C
25
+125 °C
20
+25 °C
15 +125 °C
20
15
10 10
-55 °C
+25 °C
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
+125 °C
20
15
+25 °C
10
-55 °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
+125 °C
200 -55 °C
+25 °C
0
-200
-400
-600
-12
-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 1000
DATA RATE (kbps)
FIGURE 21. SUPPLY CURRENT vs MEDIUM DATA RATE vs
TEMPERATURE
200
VCC = RS = GND, D = 3V, OTHER BUS PIN = GND
150 -55 °C
+25 °C
100
+125 °C
50
0
-50
-100
-8
-4 0
4
BUS VOLTAGE (V)
8
FIGURE 23. BUS PIN LEAKAGE vs VCM AT VCC = 0V
12
15
VCC = 3V OR 3.6V, RS = GND, D = VCC, OTHER BUS PIN = GND
-55 °C
10
+25 °C
5
0
+125 °C
-5
-10
-15
-40
-30 -20 -10
0
10 20 30
BUS VOLTAGE (V)
FIGURE 25. BUS PIN LEAKAGE vs ±35V VCM
40
Submit Document Feedback 11
FN8764.3
August 16, 2016
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet ISL72028SEH.PDF ] | |
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