IL711-2B [ETC]
High Speed Dual Digital Isolator;
| 型号： | IL711-2B |
| 厂家： | 
ETC |
| 描述： | High Speed Dual Digital Isolator |
| 文件： | 总7页 (文件大小：124K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
ISOLOOP
N V E C O R P O R A T I O N
IL711/712
Dual Digital Isolator
Features
Functional Diagram
· +5V and +3.3V CMOS Compatible
· 2 ns Typical Pulse Width Distortion
· 10 ns Typical Propagation Delay
· High Speed: 100 MBaud
1OUT
1IN
· 2 ns Channel to Channel Skew
· 30 kV/µs Typical Transient Immunity
· 2500VRMS Isolation (1 min)
2IN
2OUT
· 8-pin PDIP and 8-pin SOIC Packages
· UL1577 Approved (File # E207481)
· IEC 61010-1 Approved (Report # 607057)
IL711
Applications
· Isolated Data Transmission
· Isolated ADCs and DACs
· Fieldbus Isolation
· High Speed Digital Systems
· Computer Peripheral Interfaces
· Logic Level Shifting
1OUT
1IN
2OUT
2IN
Description
The IL711 and IL712 offer the user a level of true logic integration
in an isolation product not previously available. The high speed
digital isolators are configured as dual unidirectional in the IL711,
and as a bi-directional pair in the IL712. Both devices are integrated
with patented* ISOLOOP® technology giving them an excellent
transient immunity specification. The symmetric magnetic coupling
barrier gives these devices a propagation delay of only 10ns and a
pulse width distortion of 2 ns.
IL712
Ordering Information
Model
Package Type
Both the IL711 and the IL712 have 100Mbaud data rates which are
independent of direction, i.e. the IL712 operates in full duplex mode
making it ideal for many fieldbus bus applications. PROFIBUS /
RS485 configurations are achieved by combinations of IL710 and
the IL711 or IL712, either combination meeting the overall
propagation delay requirements of the specification. Available in 8-
pin PDIP and 8-pin SOIC packages, the IL711 and IL712 are
specified over the temperature range of
8–PDIP 8–SOIC
IL711
IL712
-2
-2
-3
-3
IL711-2 is 8–PDIP package
IL712-3 is an 8–SOIC package
Isoloop® is a registered trademark of NVE Corporation
-40°C to +100°C without any derating in performance.
* US Patent number 5,831,426; 6,300,617 and others
1
R H O P O IN T C O M P O N E N T S Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com
®
ISOLOOP
IL711/712
Absolute Maximum Ratings
Parameters
Symbol
TS
Min.
-55
Max.
175
Units
Storage Temperature
oC
Ambient Operating Temperature(1)
TA
-55
-0.5
-0.5
-0.5
-0.5
125
7
oC
Volts
Volts
Volts
Volts
mAmps
oC
Supply Voltage
VDD1,VDD2
Input Voltage
VI
VOE
VO
IO
VDD1+0.5
VDD2+0.5
VDD2+0.5
10
Input Voltage
Output Voltage
Drive Channel Output Current
Lead Solder Temperature(10s)
ESD
260
2kV Human Body Model
Recommended Operating Conditions
Parameters
Symbol
TA
Min.
-40
Max.
100
Units
Ambient Operating Temperature
oC
Supply Voltage
VDD ,VDD
1
3.0
2.4
0
5.5
Volts
Volts
Volts
µsec
2
Logic High Input Voltage
Logic Low Input Voltage
Input Signal Rise and Fall Times
VIH
VDD
1
VIL
0.8
1
tIR,tIF
Insulation Specifications
Parameter
Condition
Min.
Typ.
Max.
Units
Ω || pF
mm
Barrier Impedance
>1014 ||3
7.036 (PDIP)
4.026 (SOIC)
Creepage Distance (External)
Leakage Current
240 VRMS
60Hz
0.2
µAmps
Package Characteristics
Parameter
Symbol
CI-O
θJCT
θJCT
Min.
Typ.
2
Max.
Units
pF
oC/W
oC/W
Test Conditions
Capacitance (Input-Output)(5)
f= 1MHz
(PDIP)
150
240
Thermocouple located at
center underside of package
Thermal Resistance
(SOIC)
Package Power Dissipation
PPD
150
mW
IEC61010-1
TUV Certificate Numbers:
B 01 07 44230 001 (PDIP)
B 01 07 44230 002 (SOIC)
Classification as Table 1.
Model
Pollution
Material
Group
III
Max Working
Voltage
Package Type
Degree
8–PDIP
8–SOIC
IL710-2, IL711-2
IL710-3, IL711-3
II
II
300 VRMS
150 VRMS
'
III
'
UL 1577
Component Recognition program. File # E207481
Rated 2500Vrms for 1min.
2
R H O P O IN T C O M P O N E N T S Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com
®
ISOLOOP
IL711/712
Electrical Specifications
Electrical Specifications are T
to T
unless otherwise stated.
min
max
Parameter
Symbol
3.3 Volt Specifiations
5Volt Specifications
Units
Test Conditions
DC Specifications
Input Quiescent Supply Current
Min.
Typ.
9
Max.
14
Min.
Typ. Max.
IL711
12
20
µA
IDD1
IL712
IL711
2.2
2.2
3.3
3.3
3
4
5
5
mA
mA
Output Quiescent Supply Current
I
DD2
II
IL712
2.2
3.3
10
3
5
mA
µA
Logic Input Current
-10
-10
10
Logic High Output Voltage
VOH
VDD-0.1 VDD
0.8*VDD VDD-0.5
VDD-0.1
0.8*VDD VDD-0.5
VDD
V
V
IO =-20 µA, VI =VIH
= -4 mA,
VI =VIH
IO
IO = 20 µA, VI =VIL
= 4 mA,
Logic Low Output Voltage
VOL
0
0.5
0.1
0.8
0
0.5
0.1
0.8
IO
VI =VIL
Switching Specifications
Maximum Data Rate
100
10
110
100
10
110
MBd
ns
CL = 15 pF
Pulse Width
PW
Propagation Delay
tPHL
12
12
2
18
18
3
10
10
2
15
15
3
ns
ns
ns
= 15 pF
CL
Input to Output (High to Low)
Propagation Delay
Input to Output ( Low to High)
tPLH
= 15 pF
CL
Pulse Width Distortion(2)
| tPHL- tPLH |
PWD
= 15 pF
CL
Propagation Delay Skew(3)
Output Rise Time (10-90%)
Output Fall Time (10-90%)
tPSK
tR
4
2
2
6
4
4
4
1
1
6
3
3
ns
ns
ns
CL = 15 pF
CL = 15 pF
CL = 15 pF
tF
Transient Immunity (Output Logic
High or Logic Low)(4)
Channel to Channel Skew
|CMH|
|CML|
TCSK
20
30
2
20
30
2
kV/µs
Vcm =300V
CL = 15 pF
3
3
ns
Timing Diagram
50%
VIN
tPLH
tPHL
90%
90%
50%
VO
10%
10%
tPW
tF
tR
Legend
tPLH
tPHL
tPW
tR
Propagation Delay, Low to High
Propagation Delay, High to Low
Minimum Pulse Width
Rise Time
tF
Fall Time
3
R H O P O IN T C O M P O N E N T S Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com
®
ISOLOOP
IL711/712
Notes:
Application Notes:
1. Absolute Maximum ambient operating temperature means
the device will not be damaged if operated under these
conditions. It does not guarantee performance.
2. PWD is defined as | tPHL– tPLH |. %PWD is equal to the
PWD divided by the pulse width.
Power Consumption
Isoloop devices achieve their low power consumption
from the manner by which they transmit data across the
isolation barrier. By detecting the edge transitions of the
input logic signal and converting these to narrow current
pulses a magnetic field is created around the GMR
Wheatstone bridge. Depending on the direction of the
magnetic field, the bridge causes the output comparator to
switch following the input logic signal. Since the current
pulses are narrow, about 2.5ns wide, the power
consumption is independent of mark-to-space ratio and
solely dependent on frequency. This has obvious
advantages over optocouplers whose power consumption is
heavily dependent on its on-state and frequency.
3. tPSK is equal to the magnitude of the worst case difference in
O
tPHL and/or tPLH that will be seen between units at 25 C.
4. CMH is the maximum common mode voltage slew rate that
can be sustained while maintaining VO > 0.8 VDD. CM is
the maximum common mode input voltage that can be L
sustained while maintaining VO < 0.8 V. The common
mode voltage slew rates apply to both rising and falling
common mode voltage edges.
5. Device is considered a two terminal device:
pins 1–4 shorted and pins 5–8 shorted.
The approximate power supply current per channel for
Isoloop® is: I(input)= 40 .
f
.
1 mA
4
fmax
where
f= operating frequency
fmax= 50 MHz
Power Supplies
Because the IL711 and IL712 operate internally by using
narrow current pulses, it is recommended that low ESR
ceramic capacitors be used to decouple the supplies. 47nF
capacitors should be placed as close to the device as
possible between VDD1 and GND as well as between
1
VDD2 and GND .
2
Signal Status on Start-up and Shut Down
To minimize power dissipation, the input signals to the
IL711 and IL712 are differentiated and then latched on the
output side of the isolation barrier to reconstruct the signal.
This could result in an ambiguous output state depending
on power up, shutdown and power loss sequencing.
Therefore, the designer should consider the inclusion of an
initialization signal in his start–up circuit.
Electrostatic Discharge Sensitivity
This product has been tested for electrostatic sensitivity to
the limits stated in the specifications. However, NVE
recommends that all integrated circuits be handled with
appropriate care to avoid damage. Damage caused by
inappropriate handling or storage could range from
performance degradation to complete failure.
4
R H O P O IN T C O M P O N E N T S Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com
®
ISOLOOP
IL711/712
IR Soldering Profile
250
PRE HEATING RATE 3ºC + 1ºC /-0.5ºC /SEC.
REFLOW HEATING RATE 2.5º C 0.5ºC /SEC.
PEAK TEMPERATURE 245º C
PEAK TEMPERATURE 240°C
PEAK TEMPERATURE 230ºC
±
200º C
200
2.5ºC ±0.5ºC / SEC
160ºC
SOLDERING TIME
200ºC
150ºC
140ºC
30 SEC
30 SEC
3ºC+1ºC /-0.5ºC
50 SEC
100
PRE HEATING TIME
150ºC, 90 30 SEC.
±
TIGHT
TYPICAL
LOOSE
ROOM
TEMPERATURE
0
0
50
100
150
200
250
TIME (SECONDS)
Pin Connections
VDD2
VDD1
1IN
8
1
1
2
3
4
5
6
7
8
VDD
1IN
2IN
Input Power Supply
Channel 1 Logic Input Signal
Channel 2 Logic Input Signal
1
7
1OUT
2OUT
2
IL711
GND1 Input Power Supply Ground
GND2 Output Power Supply Ground
2IN
6
3
2OUT
1OUT
VDD
Channel 2 Logic Output Signal
Channel 1 Logic Output Signal
Output Power Supply
GND1
GND2
5
4
2
VDD1
1IN
VDD2
1
2
3
4
5
6
7
8
VDD
1IN
2OUT
Input Power Supply
Channel 1 Logic Input Signal
Channel 2 Logic Output Signal
8
7
6
1
2
3
1
1
OUT
IL712
GND1 Input Power Supply Ground
GND2 Output Power Supply Ground
2IN
2IN
2OUT
GND1
Channel 2 Logic Input Signal
Channel 1 Logic Output Signal
Output Power Supply
GND2
5
4
1OUT
VDD
2
5
R H O P O IN T C O M P O N E N T S Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com
®
ISOLOOP
IL711/712
IL711-2 and IL712-2 (8-Pin PDIP Package)
Dimensions: inches (mm)
min
max
0.240 (6.096)
0.260 (6.604)
1
3
2
0.370 (9.398)
0.400 (10.160)
0.290 (7.366)
0.310 (7.874)
0.55 (1.397)
0.65 (1.651)
0.120 (3.048)
0.150 (3.810)
0.008 (0.203)
0.015 (0.381)
0.015 (0.381)
0.035 (0.889)
0.090 (2.286)
0.110 (2.794)
0.030 (0.762)
0.045 (1.143)
3°
8°
0.300 (7.620)
0.370 (9.398)
0.015 (0.380)
0.023 (0.584)
0.045 (1.143)
0.065 (1.651)
IL711-3 and IL712-3 (Small Outline SOIC-8 package)
0.189 (4.80)
0.197 (5.00)
0°
8°
0.016 (0.40)
0.050 (1.27)
0.150 (3.80)
0.157 (4.00)
0.228 (5.80)
0.244 (6.20)
0.010 (0.25)
0.020 (0.50)
x45°
1
2
3
0.008 (0.19)
0.010 (0.25)
0.013 (0.33)
0.020 (0.51)
Dimensions: inches (mm)
min
max
0.054 (1.37)
0.069 (1.75)
0.004 (0.10)
0.010 (0.25)
0.040 (1.016)
0.060 (1.524)
6
R H O P O IN T C O M P O N E N T S Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com
®
ISOLOOP
IL711/712
Applications
Isolated PROFIBUS / RS-485
+VISO
+VDD1
RTSAS
IL711
VCC
D
RS-485 Truth Table
D
1
0
1
0
DE
0
0
1
1
A
Z
Z
1
B
Z
Z
0
R
X
X
1
D
RT
DE
DE
0
1
0
A
R
B
RE
R
GND
RE
65ALS176 (-40°C to +85°C)
75ALS176 (0°C to +70°C)
GND1
GNDISO
IL710
VDD1 and VISO should be decoupled with a 10nF capacitor
at the IL710 supply pins and a 47 nF capacitor at the IL711.
Isolated DeviceNet / CAN Transceiver
+VDD1
+VISO
TXD CANH CANL
BUS
RXD
0
1
high
low
dominant
0
1
floating floating recessive
TXD
GND
RS
CANH
TXD
RXD
PCA82C251
V
CC
RXD
VREF
CANL
GND1
GNDISO
IL712
VDD1 and VISO should be decoupled with 47nF capacitors
at the IL712 supply pins.
7
R H O P O IN T C O M P O N E N T S Hurst Green, Oxted, Surrey RH8 9AX UK Telephone: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Internet: www.rhopointcomponents.com
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