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SP302CS 数据表(PDF) 14 Page - Sipex Corporation

部件名 SP302CS
功能描述  RS-232/RS-422 Line Drivers/Receivers
PDF  18 Pages
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制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP302CS 数据表(HTML) 14 Page - Sipex Corporation

Back Button SP302CS Datasheet HTML 10Page - Sipex Corporation SP302CS Datasheet HTML 11Page - Sipex Corporation SP302CS Datasheet HTML 12Page - Sipex Corporation SP302CS Datasheet HTML 13Page - Sipex Corporation SP302CS Datasheet HTML 14Page - Sipex Corporation SP302CS Datasheet HTML 15Page - Sipex Corporation SP302CS Datasheet HTML 16Page - Sipex Corporation SP302CS Datasheet HTML 17Page - Sipex Corporation SP302CS Datasheet HTML 18Page - Sipex Corporation  
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Corporation
SIGNAL PROCESSING EXCELLENCE
64
SP301 CONFIGURATIONS IN LOOPBACK MODE
One-Channel Full Duplex RS-232 &
One-Channel Full Duplex RS-422
Opposite Drivers
Two-Channel Full Duplex RS-422
shown in these figures, the loopback function
internally connects the driver outputs to the
corresponding receiver inputs, and switches the
output pin to a resistive divider of 10k
Ωnominal
impedance from V
EE to ground. Receiver out-
puts are left active for signal verification.
During loopback, the receiver inputs are tied to
ground via a 5k
Ω pulldown resistor. To mini-
mize loopback errors, the receiver inputs must
be limited to
±10V swings.
RIA1
ROA
TOA1
TIA
RIB1
ROB
TOB1
TIB
RS-232 LINE DRIVER
RS-232 RECEIVER
TOA2
RIA2
SELECT A = 1
SELECT B = 0
LB = 0 (ACTIVE)
VEE
10k
10k
VEE
10k
10k
VEE
10k
10k
RS-422 LINE DRIVER
RS-422 RECEIVER
RS-422 LINE DRIVER
RS-422 RECEIVER
RIB1
ROB
RIB2
TOB1
TIB
TOB2
SELECT A = 1
SELECT B = 1
LB = 0 (ACTIVE)
VEE
10k
10k
VEE
10k
10k
RS-422 LINE DRIVER
RS-422 RECEIVER
RIA1
ROA
RIA2
TOA1
TIA
TOA2
VEE
10k
10k
VEE
10k
10k



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