Texas Instruments ISO1176TEVM - ISO1176T Evaluation Module ISO1176TEVM ISO1176TEVM 数据表
产品代码
ISO1176TEVM
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Table 1. EVM Configuration Options for ISO1176T (continued)
Jumper Function
Configuration
I/O Load
JMP22 – RE Test Point
R11 – Uninstalled
JMP23 – DE Test Point
JMP24 – D Test Point
JMP30 – D2
Connects D2 output to transformer
Jumper short installed
pin 1
JMP31 – D1
Connects D1 output to transformer
Jumper short installed
pin 4
BUS SIDE JUMPERS
JMP5 – GND2
Jumper installed from pin 2 to pin 3
Ground U1-14
JMP7 – Bus Pin B
R8,R10 – Uninstalled
JMP8 – GND2
Jumper installed from pin 2 to pin 3
Ground U1-11
JMP9 – Bus Pin A
Bus termination A to B
Install R9 – 54
Ω
JMP25
Not used on half-duplex device
JMP26 – A Test Point
JMP27 – B Test Point
JMP28
Not used on half-duplex device
JMP29 – ISODE Test Point
ISO1176T only
JMP32 – Regulator Output
Jumper installed from pin 1 to pin 2
Connects regulator output to
Vcc2. Remove this jumper
when connecting power
externally (regulator not in use)
Vcc2. Remove this jumper
when connecting power
externally (regulator not in use)
NOTE: For half-duplex operation
R9 for half-duplex ISO1176T device;
R9 (54
Ω
) only; R7, R8, AND R10 R7, R8, and R10 for full-duplex
are uninstalled.
device.
Table 2. EVM Configuration Options for ISO35T and ISO3086T
Jumper Function
Configuration
I/O Load
DATA/CONTROL
SIDE JUMPERS
JMP1 – Receiver Output
R1 (see JMP16)
JMP2 – Receiver Enable
R2 – 50
Ω
(1)
JMP3 – Driver Enable
R3 – 50
Ω
(1)
JMP4 – Driver Input
R4 – 50
Ω
(1)
R7 – Uninstalled
JMP6 – D1/D2 Test Point
JMP16 – Rout Load
Jumper short allows Rout to be pulled
up to Vcc or to GND through a 1-k
up to Vcc or to GND through a 1-k
Ω
resistor.
JMP22 – RE Test Point
JMP23 – DE Test Point
JMP24 – D Test Point
JMP30– D2
Connects D2 output to transformer pin 1
Jumper Short Installed
JMP31 – D1
Connects D1 output to transformer pin 4
Jumper Short Installed
BUS SIDE JUMPERS
JMP5 – A Input
R7 and R8 for bus termination
R7 – 50
Ω
JMP7 – B Input
mmm
Across A and B inputs
R8 – 50
Ω
(1)
These resistors are provided as impedance-matching terminations to be used when driving these signals with 50-
Ω
source
impedance test/measurement equipment. When not driving these signals with a 50-
Ω
source, the components must be removed.
9
SLLU122A – April 2010 – Revised July 2010
ISO1176T/35T/3086T Evaluation Module
Copyright © 2010, Texas Instruments Incorporated