AD2S1205WSTZ datasheet, PDF - EEWORLD Datasheet

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AD2S1205WSTZ: DescriptionSYNCHRO OR RESOLVER TO DIGITAL CONVERTER, PQFP44, LEAD FREE, MS-026BCB, LQFP-44; CategoryAnalog mixed-signal IC converter; File Size1MB，21 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/; Environmental Compliance

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AD2S1205WSTZ Overview

SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, PQFP44, LEAD FREE, MS-026BCB, LQFP-44

AD2S1205WSTZ Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Rochester Electronics
Parts packaging code	QFP
package instruction	LQFP,
Contacts	44
Reach Compliance Code	unknown
Other features	BUILT-IN-TEST
Maximum analog input voltage	4 V
Maximum angular accuracy	22 arc min
Converter type	SYNCHRO OR RESOLVER TO DIGITAL CONVERTER
JESD-30 code	S-PQFP-G44
JESD-609 code	e3
length	10 mm
Humidity sensitivity level	3
Number of digits	12
Number of functions	1
Number of terminals	44
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	LQFP
Package shape	SQUARE
Package form	FLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius)	260
Certification status	COMMERCIAL
Maximum seat height	1.6 mm
Maximum supply voltage	5.25 V
Minimum supply voltage	4.75 V
Nominal supply voltage	5 V
surface mount	YES
Temperature level	AUTOMOTIVE
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	40
Maximum tracking rate	1250 rps
width	10 mm

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AD2S1205

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Product Highlights ........................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Absolute Maximum Ratings............................................................ 5

ESD Caution .................................................................................. 5

Pin Configuration and Function Descriptions ............................. 6

Resolver Format Signals................................................................... 8

Theory of Operation ........................................................................ 9

Fault Detection Circuit ................................................................ 9

Monitor Signal .............................................................................. 9

Loss of Signal Detection .............................................................. 9

Signal Degradation Detection .................................................. 10

Loss of Position Tracking Detection ........................................ 10

Responding to a Fault Condition ............................................. 10

False Null Condition .................................................................. 10

On-Board Programmable Sinusoidal Oscillator .................... 11

Synthetic Reference Generation ............................................... 11

Charge-Pump Output ................................................................ 11

Connecting the Converter ........................................................ 11

Clock Requirements ................................................................... 12

Absolute Position and Velocity Output ................................... 12

Parallel Interface ......................................................................... 12

Serial Interface ............................................................................ 14

Incremental Encoder Outputs .................................................. 16

Supply Sequencing and Reset ................................................... 16

Circuit Dynamics ........................................................................... 17

Loop Response Model ............................................................... 17

Sources of Error .......................................................................... 18

Connecting to the DSP .............................................................. 19

Outline Dimensions ....................................................................... 20

Ordering Guide .......................................................................... 20

Automotive Products ................................................................. 20

REVISION HISTORY

5/10—Rev. 0 to Rev. A

Changes to Features Section............................................................ 1

Changes to Input Bias Current Parameter and Input

Impedance Parameter ...................................................................... 3

Changes to Table 2 ............................................................................ 5

Changes to Loss of Signal Detection Section ................................ 9

Changes to Connecting the Converter Section and Figure 5 ... 11

Change to t

Max Value in Table 6 ............................................... 13

Changes to t

and t

Max Values Table 7 .................................... 15

Changes to Ordering Guide .......................................................... 20

Added Automotive Products Section .......................................... 20

1/07—Revision 0: Initial Version

Rev. A | Page 2 of 20

AD2S1205WSTZ Related Products

	AD2S1205WSTZ	AD2S1205YSTZ
Description	SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, PQFP44, LEAD FREE, MS-026BCB, LQFP-44	SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, PQFP44, LEAD FREE, MS-026BCB, LQFP-44
Is it lead-free?	Lead free	Lead free
Is it Rohs certified?	conform to	conform to
Maker	Rochester Electronics	Rochester Electronics
Parts packaging code	QFP	QFP
package instruction	LQFP,	LQFP,
Contacts	44	44
Reach Compliance Code	unknown	unknown
Other features	BUILT-IN-TEST	BUILT-IN-TEST
Maximum analog input voltage	4 V	4 V
Maximum angular accuracy	22 arc min	11 arc min
Converter type	SYNCHRO OR RESOLVER TO DIGITAL CONVERTER	SYNCHRO OR RESOLVER TO DIGITAL CONVERTER
JESD-30 code	S-PQFP-G44	S-PQFP-G44
JESD-609 code	e3	e3
length	10 mm	10 mm
Humidity sensitivity level	3	3
Number of digits	12	12
Number of functions	1	1
Number of terminals	44	44
Maximum operating temperature	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	LQFP	LQFP
Package shape	SQUARE	SQUARE
Package form	FLATPACK, LOW PROFILE	FLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius)	260	260
Certification status	COMMERCIAL	COMMERCIAL
Maximum seat height	1.6 mm	1.6 mm
Maximum supply voltage	5.25 V	5.25 V
Minimum supply voltage	4.75 V	4.75 V
Nominal supply voltage	5 V	5 V
surface mount	YES	YES
Temperature level	AUTOMOTIVE	AUTOMOTIVE
Terminal surface	MATTE TIN	MATTE TIN
Terminal form	GULL WING	GULL WING
Terminal pitch	0.8 mm	0.8 mm
Terminal location	QUAD	QUAD
Maximum time at peak reflow temperature	40	40
Maximum tracking rate	1250 rps	1250 rps
width	10 mm	10 mm

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