ADM3055EBRIZ datasheet(19/24 Pages) AD

19 / 24 page

Data Sheet

ADM3055E/ADM3057E

Rev. A | Page 19 of 24

TERMINOLOGY

ICC

ICC is the current drawn by the VCC pin. This pin powers the

iso

Power dc-to-dc converter.

IIO

IIO is the current drawn by the VIO pin. This pin powers the

Coupler digital isolator.

ISC

ISC is the current drawn by the VISOIN pin under the specified

fault condition.

VOD

The VOD is the difference of the CANH and CANL levels, which

is VDIFF in ISO 11898-2:2016.

fOSC

fOSC is the carrier frequency of the isoPower dc-to-dc converter

that provides isolated power to the bus side.

tTXD_DOM

tTXD_DOM is the propagation delay from a low signal on TXD to

transition the bus to a dominant state.

tTXD_REC

tTXD_REC is the propagation delay from a high signal on TXD to

transition the bus to a recessive state.

tLOOP_FALL

tLOOP_FALL is the propagation delay of a low signal on the TXD

pin to the bus dominant and transitions low on the RXD pin.

tLOOP_RISE

tLOOP_RISE is the propagation delay of a high signal on the TXD

pin to the bus recessive and transitions high on the RXD pin.

tBIT_TXD

tBIT_TXD is the bit time on the TXD pin as transmitted by the

CAN controller. See Figure 2 for level definitions.

tBIT_BUS

tBIT_BUS is the bit time transmitted by the transceiver to the bus.

When compared with a given tBIT_TXD, a measure of bit symmetry

from the TXD digital isolation channel and CAN transceiver

can be determined. See Figure 2 for level definitions.

tBIT_RXD

tBIT_RXD is the bit time on the RXD output pin that can be

compared with tBIT_TXD for a round trip measure of pulse width

distortion through the TXD digital isolation channel, the CAN

transceiver, and back through the RXD isolation channel.

Wake-Up Pattern (WUP)

WUP is a remote transmitted pattern required to trigger low

speed data transmission by the CAN transceiver while in standby

mode. The pattern does not force the transceiver out of standby

mode.

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