AD7262BCPZ-5-RL7 datasheet, PDF

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AD7262BCPZ-5-RL7: DescriptionDUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, QCC48, 7 X 7 MM, ROHS COMPLIANT, MO-220VKKD-2, LFCSP-48; CategoryAnalog mixed-signal IC converter; File Size2MB，33 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/; Environmental Compliance

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AD7262BCPZ-5-RL7 Overview

DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, QCC48, 7 X 7 MM, ROHS COMPLIANT, MO-220VKKD-2, LFCSP-48

AD7262BCPZ-5-RL7 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Rochester Electronics
Parts packaging code	QFN
package instruction	HVQCCN,
Contacts	48
Reach Compliance Code	unknown
Maximum analog input voltage	3.125 V
Minimum analog input voltage	1.875 V
Maximum conversion time	0.95 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	S-XQCC-N48
JESD-609 code	e3
length	7 mm
Maximum linear error (EL)	0.0244%
Humidity sensitivity level	3
Number of analog input channels	2
Number of digits	12
Number of functions	2
Number of terminals	48
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Output bit code	2\'S COMPLEMENT BINARY
Output format	SERIAL
Package body material	UNSPECIFIED
encapsulated code	HVQCCN
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
Sampling rate	0.5 MHz
Sample and hold/Track and hold	TRACK
Maximum seat height	1 mm
Nominal supply voltage	5 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7 mm

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AD7262

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Specifications .................................................................. 6

Timing Diagram ........................................................................... 6

Absolute Maximum Ratings............................................................ 7

ESD Caution .................................................................................. 7

Pin Configurations and Function Descriptions ........................... 8

Typical Performance Characteristics ........................................... 10

Terminology .................................................................................... 14

Theory of Operation ...................................................................... 15

Circuit Information .................................................................... 15

Comparators................................................................................ 15

Operation..................................................................................... 15

Analog Inputs .............................................................................. 15

DRIVE

............................................................................................ 16

Reference ..................................................................................... 17

Typical Connection Diagrams .................................................. 17

Application Details ..................................................................... 20

Modes of Operation ....................................................................... 22

Pin-Driven Mode ....................................................................... 22

Gain Selection ............................................................................. 22

Power-Down Modes .................................................................. 22

Control Register ......................................................................... 23

On-Chip Registers ...................................................................... 24

Serial Interface ................................................................................ 25

Calibration ....................................................................................... 27

Internal Offset Calibration ........................................................ 27

Adjusting the Offset Calibration Registers ................................. 28

System Gain Calibration............................................................ 28

Microprocessor Interfacing ........................................................... 29

AD7262/AD7262-5 to ADSP-BF53x ....................................... 29

Application Hints ........................................................................... 30

Grounding and Layout .............................................................. 30

PCB Design Guidelines for LFCSP .......................................... 30

Outline Dimensions ....................................................................... 31

Ordering Guide .......................................................................... 31

REVISION HISTORY

7/08—Revision 0: Initial Version

Rev. 0 | Page 2 of 32

AD7262BCPZ-5-RL7 Related Products

	AD7262BCPZ-5-RL7	AD7262BSTZ	AD7262BCPZ	AD7262BCPZ-5	AD7262BSTZ-5
Description	DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, QCC48, 7 X 7 MM, ROHS COMPLIANT, MO-220VKKD-2, LFCSP-48	DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQFP48, ROHS COMPLIANT, MS-026BBC, LQFP-48	DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, QCC48, 7 X 7 MM, ROHS COMPLIANT, MO-220VKKD-2, LFCSP-48	DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, QCC48, 7 X 7 MM, ROHS COMPLIANT, MO-220VKKD-2, LFCSP-48	DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQFP48, ROHS COMPLIANT, MS-026BBC, LQFP-48
Is it lead-free?	Lead free	Lead free	Lead free	Lead free	Lead free
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to
Parts packaging code	QFN	QFP	QFN	QFN	QFP
package instruction	HVQCCN,	LFQFP,	HVQCCN,	HVQCCN,	LFQFP,
Contacts	48	48	48	48	48
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown
Maximum analog input voltage	3.125 V	3.125 V	3.125 V	3.125 V	3.125 V
Minimum analog input voltage	1.875 V	1.875 V	1.875 V	1.875 V	1.875 V
Maximum conversion time	0.95 µs	0.475 µs	0.475 µs	0.95 µs	0.95 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	S-XQCC-N48	S-PQFP-G48	S-XQCC-N48	S-XQCC-N48	S-PQFP-G48
JESD-609 code	e3	e3	e3	e3	e3
length	7 mm	7 mm	7 mm	7 mm	7 mm
Maximum linear error (EL)	0.0244%	0.0244%	0.0244%	0.0244%	0.0244%
Humidity sensitivity level	3	3	3	3	3
Number of analog input channels	2	2	2	2	2
Number of digits	12	12	12	12	12
Number of functions	2	2	2	2	2
Number of terminals	48	48	48	48	48
Maximum operating temperature	105 °C	105 °C	105 °C	105 °C	105 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Output bit code	2\'S COMPLEMENT BINARY	2'S COMPLEMENT BINARY	2\'S COMPLEMENT BINARY	2\'S COMPLEMENT BINARY	2\'S COMPLEMENT BINARY
Output format	SERIAL	SERIAL	SERIAL	SERIAL	SERIAL
Package body material	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED	PLASTIC/EPOXY
encapsulated code	HVQCCN	LFQFP	HVQCCN	HVQCCN	LFQFP
Package shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	FLATPACK, LOW PROFILE, FINE PITCH	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	FLATPACK, LOW PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)	260	260	260	260	260
Sampling rate	0.5 MHz	1 MHz	1 MHz	0.5 MHz	0.5 MHz
Sample and hold/Track and hold	TRACK	TRACK	TRACK	TRACK	TRACK
Maximum seat height	1 mm	1.6 mm	1 mm	1 mm	1.6 mm
Nominal supply voltage	5 V	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES	YES
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	MATTE TIN	MATTE TIN	MATTE TIN	MATTE TIN	MATTE TIN
Terminal form	NO LEAD	GULL WING	NO LEAD	NO LEAD	GULL WING
Terminal pitch	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm
Terminal location	QUAD	QUAD	QUAD	QUAD	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	7 mm	7 mm	7 mm	7 mm	7 mm
Maker	Rochester Electronics	-	Rochester Electronics	Rochester Electronics	Rochester Electronics

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