ISO518 Datasheet, PDF (1/5 Pages) Burr-Brown (TI) – Bidirectional ISOLATED DIGITAL COUPLERS

®
ISO518
ISO518
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information, visit www.burr-brown.com
ISO518
Bidirectional
ISOLATED DIGITAL COUPLERS
FEATURES
q LOW POWER CONSUMPTION:
< 12mW per Channel
q 1500Vrms ISOLATION:
100% Tested by Partial Discharge
q DOUBLE BUFFERED DESIGN FOR
EASY INTEGRATION INTO BUS-BASED
SYSTEMS
q TRI-STATE OUTPUTS
q 24-PIN PDIP OR GULL WING PACKAGES
q 2MWORDS/S TRANSFER RATE
APPLICATIONS
q PARALLEL ADCs/DACs
q DIGITAL INTERFACES
q DIGITAL TRANSMISSION
q GROUND-LOOP ISOLATION
DESCRIPTION
The ISO518 is an 8-channel, isolated, bidirectional
digital coupler based on the Burr-Brown capacitive
barrier technology.
The ISO518 is designed with input and output buffers
for ease of integration into a µP bus system. All data
pins are I/O under the control of the TX pins. Input
and output buffers are controlled by the latch enable
pins. This feature of the ISO518, which allows mul-
tiple access to a data bus, requires extra circuitry when
using an alternative solution.
The ISO518 will transfer an 8-bit word at rates up to
2Mwords/s without the skew problems associated in
implementing this function with optocouplers. The
ISO518 is available in 24-pin PDIP or 24-pin Gull
Wing packages. Both are specified for operation from
–40°C to +85°C.
L
L
S
A
A
H
DATA
T
T
I
I/O
C
C
F
H
H
T
S
L
L
H
A
A
I
T
T
DATA
I/O
F
C
C
T
H
H
LEA
TXA/RXA
LEB
TXB/RXB
ISO518 Functional Block Diagram
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©_{1998 Burr-Brown Corporation}
PDS-₁423B
®
I^PS^rinO^ted5ⁱⁿ1^U8^{.S.A. June, 1999}