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MAX14890E Datasheet, PDF (29/30 Pages) Maxim Integrated Products – Overvoltage and Undervoltage Fault Detection
MAX14890E
Incremental Encoder Interface for RS-422,
HTL, and TTL with Digital Inputs
Functional Diagram
VCC
VL
MAX14890E CONFIG/
MONITOR
A
RxA
A
B
RxB
B
Z
2.5mA RxZ
Z
DIY
2.5mA RxY
Y
DI2
RxD2
2.5mA
DI3
RxD3
2.5mA
SPI
HITH/CS
TTL/SDI
SNGL/CLK
D2FAULT/IRQ
D3FAULT/SDO
AO
AFAULT
BO
BFAULT
ZO
ZFAULT
DI/TTLY
YO
YFAULT
DI/TTL2
LO2
DI/TTL3
LO3
GND
Ordering Information
PART
TEMP RANGE
MAX14890EATJ+
-40°C to +125°C
MAX14890EATJ+T
-40°C to +125°C
PIN PACKAGE
32 TQFN-EP
32 TQFN-EP
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*EP = Exposed pad.
Chip Information
PROCESS: BiCMOS
Package Information
For the latest package outline information and land patterns
(footprints), go to www.maximintegrated.com/packages. Note
that a “+”, “#”, or “-” in the package code indicates RoHS status
only. Package drawings may show a different suffix character, but
the drawing pertains to the package regardless of RoHS status.
PACKAGE
TYPE
PACKAGE OUTLINE
LAND
CODE
NO.
PATTERN NO.
32 TQFN-EP T3255+6 21-0140
90-0603
www.maximintegrated.com
Maxim Integrated │  29