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Burr-Brown Corporation

ISO150 Datasheet Preview

ISO150 Datasheet

Dual/ Isolated/ Bi-Directional DIGITAL COUPLER

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ISO150
Dual, Isolated, Bi-Directional
DIGITAL COUPLER
FEATURES
q REPLACES HIGH-PERFORMANCE
OPTOCOUPLERS
q DATA RATE: 80M Baud, typ
q LOW POWER CONSUMPTION:
25mW Per Channel, max
q TWO CHANNELS, EACH BI-DIRECTIONAL,
PROGRAMMABLE BY USER
q PARTIAL DISCHARGE TESTED: 2400Vrms
q CREEPAGE DISTANCE OF 16.5mm (DIP)
q LOW COST PER CHANNEL
q PLASTIC DIP AND SOIC PACKAGES
APPLICATIONS
q DIGITAL ISOLATION FOR A/D, D/A
CONVERSION
q ISOLATED UART INTERFACE
q MULTIPLEXED DATA TRANSMISSION
q ISOLATED PARALLEL TO SERIAL
INTERFACE
q TEST EQUIPMENT
q MICROPROCESSOR SYSTEM INTERFACE
q ISOLATED LINE RECEIVER
q GROUND LOOP ELIMINATION
DESCRIPTION
The ISO150 is a two-channel, galvanically isolated
data coupler capable of data rates of 80MBaud, typi-
cal. Each channel can be individually programmed to
transmit data in either direction.
Data is transmitted across the isolation barrier by
coupling complementary pulses through high voltage
0.4pF capacitors. Receiver circuitry restores the pulses
to standard logic levels. Differential signal transmis-
sion rejects isolation-mode voltage transients up to
1.6kV/µs.
ISO150 avoids the problems commonly associated
with optocouplers. Optically isolated couplers require
high current pulses and allowance must be made for
LED aging. The ISO150’s Bi-CMOS circuitry oper-
ates at 25mW per channel.
ISO150 is available in a 24-pin DIP package and in a
28-lead SOIC. Both are specified for operation from
–40˚C to 85˚C.
D2A R/T2A GA
VSB R/T2B D2B
Channel 2
Side A
Side B
D1A R/T1A VSA
Channel 1
GB R/T1B D1B
International Airport Industrial Park • Mailing Address: PO Box 11400 • Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd. • Tucson, AZ 85706
Tel: (520) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1993 Burr-Brown Corporation
PDS-1213B
Printed in U.S.A. August, 1994




Burr-Brown Corporation

ISO150 Datasheet Preview

ISO150 Datasheet

Dual/ Isolated/ Bi-Directional DIGITAL COUPLER

No Preview Available !

SPECIFICATIONS
TA = +25°C, VS = +5V unless otherwise noted.
ISO150AP, AU
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
ISOLATION PARAMETERS
Rated Voltage, Continuous
Partial Discharge, 100% Test(1)
Creepage Distance (External)
DIP—“P” Package
SOIC—“U” Package
Internal Isolation Distance
Isolation Voltage Transient Immunity(2)
Barrier Impedance
Leakage Current
60Hz
1s, 5pC
240Vrms, 60Hz
1500
2400
16
7.2
0.10
1.6
>1014 || 7
0.6
Vrms
Vrms
mm
mm
mm
kV/µs
|| pF
µArms
DC PARAMETERS
Logic Output Voltage, High, VOH
Low, VOL
Logic Output Short-Circuit Current
Logic Input Voltage, High(3)
Low(3)
Logic Input Capacitance
Logic Input Current
Power Supply Voltage Range(3)
Power Supply Current(4)
Transmit Mode
Receive Mode
IOH = 6mA
IOL = 6mA
Source or Sink
DC
50MBaud
DC
50MBaud
VS–1
0
VS V
0.4 V
30 mA
2 VS V
0 0.8 V
5 pF
<1 nA
3 5 5.5 V
0.001 100 µA
14 mA
7.2 10 mA
16 mA
AC PARAMETERS
Data Rate, Maximum(5)
Data Rate, Minimum
Propagation Time(6)
Propagation Delay Skew(7)
Pulse Width Distortion(8)
Output Rise/Fall Time, 10% to 90%
Mode Switching Time
Receive-to-Transmit
Transmit-to-Receive
CL = 50pF
CL = 50pF
CL = 50pF
CL = 50pF
CL = 50pF
50 80
MBaud
DC
20 27 40 ns
0.5 2 ns
1.5 6 ns
9 14 ns
13 ns
75 ns
TEMPERATURE RANGE
Operating Range
Storage
Thermal Resistance,θJA
–40 85 °C
–40 125 °C
75 °C/W
NOTES: (1) All devices receive a 1s test. Failure criterion is 5 pulses of 5pC. (2) The voltage rate-of-change across the isolation barrier that can be sustained
without data errors. (3) Logic inputs are HCT-type and thresholds are a function of power supply voltage with approximately 0.4V hystersis—see text. (4) Supply
current measured with both tranceivers set for the indicated mode. Supply current varies with data rate—see typical curves. (5) Calculated from the maximum Pulse
Width Distortion (PWD), where Data Rate = 0.3/PWD. (6) Propagation time measured from VIN = 1.5V to VO = 2.5V. (7) The difference in propagation time of channel
A and channel B in any combination of transmission directions. (8) The difference between progagation time of a rising edge and a falling edge.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
®
ISO150
2


Part Number ISO150
Description Dual/ Isolated/ Bi-Directional DIGITAL COUPLER
Maker Burr-Brown Corporation
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ISO150 Datasheet PDF





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