AD7654ACP datasheet, PDF - EEWORLD Datasheet

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AD7654ACP: Description4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, MO-220-VKKD-2, LFCSP-48; CategoryAnalog mixed-signal IC converter; File Size2MB，29 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/

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AD7654ACP Overview

4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, MO-220-VKKD-2, LFCSP-48

AD7654ACP Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Rochester Electronics
Parts packaging code	QFN
package instruction	HVQCCN,
Contacts	48
Reach Compliance Code	unknown
Maximum analog input voltage	5 V
Minimum analog input voltage
Maximum conversion time	0.875 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	S-XQCC-N48
JESD-609 code	e0
length	7 mm
Maximum linear error (EL)	0.0053%
Humidity sensitivity level	3
Number of analog input channels	4
Number of digits	16
Number of functions	1
Number of terminals	48
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output bit code	BINARY
Output format	SERIAL, PARALLEL, WORD
Package body material	UNSPECIFIED
encapsulated code	HVQCCN
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	240
Sampling rate	0.5 MHz
Sample and hold/Track and hold	SAMPLE
Maximum seat height	1 mm
Nominal supply voltage	5 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	TIN LEAD
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
width	7 mm

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AD7654

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Specifications .................................................................. 5

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

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

Pin Configuration and Function Descriptions............................. 8

Terminology .................................................................................... 11

Typical Performance Characteristics ........................................... 12

Application Information................................................................ 14

Circuit Information.................................................................... 14

Modes of Operation ................................................................... 14

Transfer Functions...................................................................... 14

Typical Connection Diagram ................................................... 16

Analog Inputs.............................................................................. 16

Input Channel Multiplexer........................................................ 16

Driver Amplifier Choice ........................................................... 16

Voltage Reference Input ............................................................ 17

Power Supply............................................................................... 17

Power Dissipation....................................................................... 17

Conversion Control ................................................................... 18

Digital Interface.......................................................................... 18

Parallel Interface......................................................................... 18

Serial Interface ............................................................................ 20

Master Serial Interface............................................................... 20

Slave Serial Interface .................................................................. 22

Microprocessor Interfacing....................................................... 24

SPI Interface (ADSP-219x) ....................................................... 24

Application Hints ........................................................................... 25

Layout .......................................................................................... 25

Evaluating the AD7654 Performance ...................................... 25

Outline Dimensions ....................................................................... 26

Ordering Guide .......................................................................... 27

REVISION HISTORY

11/05—Rev. A to Rev. B

Changes to General Description .................................................... 1

Changes to Timing Specifications .................................................. 5

Changes to Figure 16...................................................................... 13

Changes to Figure 18...................................................................... 15

Added Table 8.................................................................................. 17

Changes to Figure 24...................................................................... 19

Changes to Figure 29...................................................................... 21

Updated Outline Dimensions ....................................................... 26

Changes to Ordering Guide .......................................................... 26

11/04—Rev. 0 to Rev. A

Changes to Figure 7........................................................................ 12

Changes to Figure 18...................................................................... 15

Changes to Figure 19...................................................................... 16

Changes to Voltage Reference Input Section .............................. 17

Changes to Conversion Control Section..................................... 18

Changes to Digital Interface Section ........................................... 18

Updated Outline Dimensions...................................................... 25

11/02—Revision 0: Initial Version

Rev. B | Page 2 of 28

AD7654ACP Related Products

	AD7654ACP	AD7654ACPZ	AD7654ASTZ	AD7654ACPRL	AD7654AST
Description	4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, MO-220-VKKD-2, LFCSP-48	4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, MO-220-VKKD-2, LFCSP-48	4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, MS-026-BBC, LQFP-48	4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, MO-220-VKKD-2, LFCSP-48	4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, MS-026-BBC, LQFP-48
Is it lead-free?	Contains lead	Lead free	Lead free	Contains lead	Contains lead
Is it Rohs certified?	incompatible	conform to	conform to	incompatible	incompatible
Maker	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics
Parts packaging code	QFN	QFN	QFP	QFN	QFP
package instruction	HVQCCN,	HVQCCN,	LFQFP,	HVQCCN,	LFQFP,
Contacts	48	48	48	48	48
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown
Maximum analog input voltage	5 V	5 V	5 V	5 V	5 V
Maximum conversion time	0.875 µs	0.875 µs	0.875 µs	0.875 µs	0.875 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-XQCC-N48	S-PQFP-G48	S-XQCC-N48	S-PQFP-G48
JESD-609 code	e0	e3	e3	e0	e0
length	7 mm	7 mm	7 mm	7 mm	7 mm
Maximum linear error (EL)	0.0053%	0.0053%	0.0053%	0.0053%	0.0053%
Humidity sensitivity level	3	3	3	3	3
Number of analog input channels	4	4	4	4	4
Number of digits	16	16	16	16	16
Number of functions	1	1	1	1	1
Number of terminals	48	48	48	48	48
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Output bit code	BINARY	BINARY	BINARY	BINARY	BINARY
Output format	SERIAL, PARALLEL, WORD	SERIAL, PARALLEL, WORD	SERIAL, PARALLEL, WORD	SERIAL, PARALLEL, WORD	SERIAL, PARALLEL, WORD
Package body material	UNSPECIFIED	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY
encapsulated code	HVQCCN	HVQCCN	LFQFP	HVQCCN	LFQFP
Package shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	FLATPACK, LOW PROFILE, FINE PITCH	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	FLATPACK, LOW PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)	240	260	260	240	240
Sampling rate	0.5 MHz	0.5 MHz	0.5 MHz	0.5 MHz	0.5 MHz
Sample and hold/Track and hold	SAMPLE	SAMPLE	SAMPLE	SAMPLE	SAMPLE
Maximum seat height	1 mm	1 mm	1.6 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	TIN LEAD	MATTE TIN	MATTE TIN	TIN LEAD	TIN LEAD
Terminal form	NO LEAD	NO LEAD	GULL WING	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	30	40	40	30	30
width	7 mm	7 mm	7 mm	7 mm	7 mm

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