ADS8402IBPFBT datasheet, PDF - EEWORLD Datasheet

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ADS8402IBPFBT: Description1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48; Categorysemiconductor logic; File Size206KB，25 Pages; ManufacturerBurr-Brown; Websitehttp://www.burr-brown.com/

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ADS8402IBPFBT Overview

1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48

ADS8402IBPFBT Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	48
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Rated supply voltage	5 V
Maximum conversion time	0.6100 uS
Maximum linear error	0.0053 %
Maximum limit analog input voltage	4.2 V
Minimum limit analog input voltage	-4.2 V
Processing package description	green, plastic, TQFP-48
Lead-free	Yes
EU RoHS regulations	Yes
China RoHS regulations	Yes
state	DISCONTINUED
packaging shape	SQUARE
Package Size	FLATPACK, THIN PROFILE, FINE PITCH
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	0.5000 mm
terminal coating	Nickel Palladium
Terminal location	Four
Packaging Materials	Plastic/Epoxy
Temperature level	INDUSTRIAL
Sampling Rate	1.25 MHz
Output format	parallel, 8-bit, parallel, WORD
Type of converter	continuous approximation
Number of digits	16
Output bit encoding	2S Supplementary Binary
Number of analog channels	1
Sample and hold and track and hold	SAMPLE

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ADS8402

SLAS154B – DECEMBER 2002 – REVISED MAY 2003

16-BIT, 1.25 MSPS, UNIPOLAR DIFFERENTIAL INPUT, MICRO POWER SAMPLING

ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE

FEATURES

1.25-MHz Sample Rate

16-Bit NMC Ensured Over Temperature

Zero Latency

Unipolar Differential Input Range: V

ref

to –V

ref

Onboard Reference

Onboard Reference Buffer

High-Speed Parallel Interface

Power Dissipation: 155 mW at 1.25 MHz Typ

Wide Digital Supply

8-/16-Bit Bus Transfer

48-Pin TQFP Package

APPLICATIONS

DWDM

Instrumentation

High-Speed, High-Resolution, Zero Latency

Data Acquisition Systems

Transducer Interface

Medical Instruments

Communication

DESCRIPTION

The ADS8402 is a 16-bit, 1.25 MHz A/D converter with an

internal 4.096-V reference. The device includes a 16-bit

capacitor-based SAR A/D converter with inherent sample

and hold. The ADS8402 offers a full 16-bit interface and an

8-bit option where data is read using two 8-bit read cycles.

The ADS8402 has a unipolar differential input. It is

available in a 48-lead TQFP package and is characterized

over the industrial –40°C to 85°C temperature range.

SAR

+IN

–IN

REFIN

Output

Latches

and

3-State

Drivers

BYTE

16-/8-Bit

Parallel DATA

Output Bus

CDAC

Comparator

RESET

Conversion

and

Control Logic

CONVST

BUSY

REFOUT

4.096-V

Internal

Reference

Clock

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments

semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date. Products

conform to specifications per the terms of Texas Instruments standard warranty.

Production processing does not necessarily include testing of all parameters.



2002–2003, Texas Instruments Incorporated

ADS8402IBPFBT Related Products

	ADS8402IBPFBT	ADS8402I	ADS8402IB	ADS8402IBPFBR	ADS8402IPFBR	ADS8402IPFBT
Description	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48	1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48
Number of functions	1	1	1	1	1	1
Number of terminals	48	48	48	48	48	48
Maximum operating temperature	85 Cel	85 Cel	85 Cel	85 Cel	85 Cel	85 Cel
Minimum operating temperature	-40 Cel	-40 Cel	-40 Cel	-40 Cel	-40 Cel	-40 Cel
Rated supply voltage	5 V	5 V	5 V	5 V	5 V	5 V
Maximum conversion time	0.6100 uS	0.6100 uS	0.6100 uS	0.6100 uS	0.6100 uS	0.6100 uS
Maximum linear error	0.0053 %	0.0053 %	0.0053 %	0.0053 %	0.0053 %	0.0053 %
Maximum limit analog input voltage	4.2 V	4.2 V	4.2 V	4.2 V	4.2 V	4.2 V
Minimum limit analog input voltage	-4.2 V	-4.2 V	-4.2 V	-4.2 V	-4.2 V	-4.2 V
Processing package description	green, plastic, TQFP-48	green, plastic, TQFP-48	green, plastic, TQFP-48	green, plastic, TQFP-48	green, plastic, TQFP-48	green, plastic, TQFP-48
Lead-free	Yes	Yes	Yes	Yes	Yes	Yes
EU RoHS regulations	Yes	Yes	Yes	Yes	Yes	Yes
China RoHS regulations	Yes	Yes	Yes	Yes	Yes	Yes
state	DISCONTINUED	DISCONTINUED	DISCONTINUED	DISCONTINUED	DISCONTINUED	DISCONTINUED
packaging shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package Size	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH
surface mount	Yes	Yes	Yes	Yes	Yes	Yes
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal spacing	0.5000 mm	0.5000 mm	0.5000 mm	0.5000 mm	0.5000 mm	0.5000 mm
terminal coating	Nickel Palladium	Nickel Palladium	Nickel Palladium	Nickel Palladium	Nickel Palladium	Nickel Palladium
Terminal location	Four	Four	Four	Four	Four	Four
Packaging Materials	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Sampling Rate	1.25 MHz	1.25 MHz	1.25 MHz	1.25 MHz	1.25 MHz	1.25 MHz
Output format	parallel, 8-bit, parallel, WORD	parallel, 8-bit, parallel, WORD	parallel, 8-bit, parallel, WORD	parallel, 8-bit, parallel, WORD	parallel, 8-bit, parallel, WORD	parallel, 8-bit, parallel, WORD
Type of converter	continuous approximation	continuous approximation	continuous approximation	continuous approximation	continuous approximation	continuous approximation
Number of digits	16	16	16	16	16	16
Output bit encoding	2S Supplementary Binary	2S Supplementary Binary	2S Supplementary Binary	2S Supplementary Binary	2S Supplementary Binary	2S Supplementary Binary
Number of analog channels	1	1	1	1	1	1
Sample and hold and track and hold	SAMPLE	SAMPLE	SAMPLE	SAMPLE	SAMPLE	SAMPLE

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