Table of Contents
Advertisement
www.ti.com
2.2
Input/Output Signal Characteristics
Figure 5
illustrates SDA1 and SCL1 of U1 being treated as inputs and driven by an I
connected to J3A/J4A (for SDA1) and J5A/J6A (for SCL1). The output waveforms at SDA2 and SCL2 are
captured on the oscilloscope at J3B/J4B and J5B/J6B respectively. Note the step in the rising edge of the
input waveforms at SDA1 and SCL1 indicative of the tLOOP parameter of the device and demonstrating
the effect of the difference in the low levels for the side 1 output and input enabling the device to avoid a
latch-up state.
Note the t
effect on the rising edge of the input waveforms on SDA1 and SCL1.
LOOP
SLLU166 – June 2012
Submit Documentation Feedback
Figure 5. Typical Waveforms, Inputs on Side 1
ISO154xEVM Low-Power Bidirectional I
Copyright © 2012, Texas Instruments Incorporated
EVM Setup and Operation
2
C transmitter
2
C Isolators Evaluation Module
7
Advertisement
Table of Contents
Need help?
Do you have a question about the ISO154 EVM Series and is the answer not in the manual?