ADS1252 Status: ACTIVE

ResolutionPlus 24-Bit, 40kHz Analog-to-Digital Converter

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Datasheet

24-Bit, 40kHz Analog-to-Digital Converter (Rev. D) (PDF 510 KB)
29 Jun 2006

	ADS1250	ADS1251	ADS1252	ADS1253	ADS1254	ADS1255	ADS1258
Resolution(Bits)	20	24	24	24	24	24	24
Sample Rate (max)	25kSPS	20kSPS	41kSPS	20kSPS	20kSPS	30kSPS	125kSPS
Architecture	Delta-Sigma	Delta-Sigma	Delta-Sigma	Delta-Sigma	Delta-Sigma	Delta-Sigma	Delta-Sigma
Power Consumption(Typ)(mW)	75	7.5	40	7.5	4.36	36	42
DNL(Max)(+/-LSB)	1	1	1	1	1	2	1
INL(Max)(+/-LSB)	0.0012%	0.0002%	0.0003%	0.0002%	0.0002%	0.0003%	0.0003%
No Missing Codes(Bits)	20	24	24	24	24	24	24
ENOB(Bits)	18	19	19	19	19	23	21.6
No. of Supplies	1	1	1	1	2	2	2
Analog Voltage AV/DD(Min)(V)	4.75	4.75	4.75	4.75	4.75	4.75	4.75
Analog Voltage AV/DD(Max)(V)	5.25	5.25	5.25	5.25	5.25	5.25	5.25
Logic Voltage DV/DD(Min)(V)	4.75	4.75	4.75	4.75	1.8	1.8	2.5
Logic Voltage DV/DD(Max)(V)	5.25	5.25	5.25	5.25	3.6	3.6	3.6
Input Configuration Range	Vref/PGA (1-8)	Vref	Vref	Vref	Vref	2Vref/PGA(1-64)	1.06Vref
Reference Mode	Ext	Ext	Ext	Ext	Ext	Ext	Ext
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Pin/Package	16SOIC	8SOIC	8SOIC	16SSOP/QSOP	20SSOP/QSOP	20SSOP	48QFN
# Input Channels	1	1	1	4	4	2	16
	Samples	Samples	Samples	Samples	Samples	Samples	Samples
	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory

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Product Information

Features

24 BITS—NO MISSING CODES
19 BITS EFFECTIVE RESOLUTION UP TO 40kHz DATA RATE
LOW NOISE: 2.5ppm
DIFFERENTIAL INPUTS
INL: 0.0015% (max)
EXTERNAL REFERENCE (0.5V to 5V)
POWER-DOWN MODE
SYNC MODE
APPLICATIONS
- CARDIAC DIAGNOSTICS
- DIRECT THERMOCOUPLE INTERFACES
- BLOOD ANALYSIS
- INFRARED PYROMETERS
- LIQUID/GAS CHROMATOGRAPHY
- PRECISION PROCESS CONTROL

All trademarks are the property of their respective owners.

Description

The ADS1252 is a precision, wide dynamic range, delta-sigma, Analog-to-Digital (A/D) converter with 24-bit resolution operating from a single +5V supply. The delta-sigma architecture is used for wide dynamic range and to ensure 24 bits of no missing code performance. An effective resolution of 19 bits (2.5ppm of rms noise) is achieved for conversion rates up to 40kHz.

The ADS1252 is designed for high-resolution measurement applications in cardiac diagnostics, smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. The converter includes a flexible, 2-wire synchronous serial interface for low-cost isolation.

The ADS1252 is a single-channel converter and is offered in an SO-8 package.

Pricing / Packaging / CAD Design Tools / Samples

		Price	Packaging			CAD Design Tools		Samples
Device	Status	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
ADS1252U	ACTIVE	7.10 \| 1ku	SOIC (D) \| 8	View	75 \| TUBE
ADS1252U/2K5	ACTIVE	6.45 \| 1ku	SOIC (D) \| 8	View	2500 \| LARGE T&R	Purchase Samples
ADS1252U/2K5G4	ACTIVE	6.45 \| 1ku	SOIC (D) \| 8	View	2500 \| LARGE T&R	Purchase Samples
ADS1252UG4	ACTIVE	7.10 \| 1ku	SOIC (D) \| 8	View	75 \| TUBE

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

Reported Distributor Inventory as of 12:23 PM GMT, 26 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 20 WeeksADS1252U
Asia	Farnell Asia	7
Europe	Compel	85
TI Lead Time*: 20 WeeksADS1252U/2K5
None Reported View Distributors
TI Lead Time*: 20 WeeksADS1252U/2K5G4
None Reported View Distributors
TI Lead Time*: 20 WeeksADS1252UG4
None Reported View Distributors
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
ADS1252U	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1252U/2K5	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1252U/2K5G4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1252UG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for ADS1252

Datasheet

24-Bit, 40kHz Analog-to-Digital Converter (Rev. D) (PDF, 510 KB)
29 Jun 2006

Application Notes

Thermal and Electrical Properties of Selected Packaging Materials (HTM, 8 KB) 16120 views
04 Oct 2000 Read Abstract
Interfacing the ADS1251/52 to the MSP430 (HTM, 8 KB) 3115 views
08 Mar 2005 Read Abstract
Shelf-Life Evaluation of Lead-Free Component Finishes (HTM, 8 KB) 27294 views
24 May 2004 Read Abstract
Operating multiple oversampling data converters (PDF, 192 KB) 2826 views
10 Oct 2005
A Spreadsheet for Calculating the Frequency Response of the ADS1250-54 (Rev. A) (HTM, 8 KB) 1656 views
05 Sep 2003 Read Abstract
A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. A) (HTM, 8 KB) 18059 views
12 Jan 2008 Read Abstract
Programming Tricks for Higher Conversion Speeds Utilizing Delta Sigma Converters (HTM, 8 KB) 4579 views
27 Sep 2000 Read Abstract
Giving Delta-Sigma Converters a Gain Boost with a Front End Analog Gain Stage (HTM, 8 KB) 4849 views
27 Sep 2000 Read Abstract
Interleaving Analog-to-Digital Converters (HTM, 8 KB) 7769 views
02 Oct 2000 Read Abstract
Analog-to-Digital Converter Grounding Practices Affect System Performance (HTM, 8 KB) 14701 views
02 Oct 2000 Read Abstract
Principles of Data Acquisition and Conversion (HTM, 8 KB) 16412 views
02 Oct 2000 Read Abstract
High Speed Data Conversion (HTM, 8 KB) 22645 views
02 Oct 2000 Read Abstract
What Designers Should Know About Data Converter Drift (HTM, 8 KB) 9990 views
02 Oct 2000 Read Abstract
Understanding the ADS1252 Input Circuitry (HTM, 8 KB) 653 views
05 Sep 2002 Read Abstract

View Application Notes for Analog to Digital Converter

User Guides

ADS1252EVM Demo Board (PDF, 358 KB) 1136 views
01 Mar 2001

View User Guides for Analog to Digital Converter

Tools & Software

Name	Part #	Company	Tool / Software Type
Anti-Aliasing Calculation Tool for A to D Converters	ANTIALIASINGCALC	Texas Instruments	Calculation Utilities
Op Amp to ADC Circuit Topology Calculator	ADC-INPUT-CALC	Texas Instruments	Calculation Utilities
DCPFREETOOL Software Plug-In to Code Composer Studio	DCPFREETOOL	Texas Instruments	Utilities/Plug-Ins
Data Converter Plug-in for Code Composer Studio (Rev. D)(ZIP 5199 KB ) 6167 views 05 May 2008

Part #	Name	Product Family	Comments
ADS1251	ResolutionPlus 24-Bit, 20kHz, Low Power Analog-to-Digital Converter	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Has a lower sampling rate
ADS1254	24-Bit, 20kHz, Low Power Analog-to-Digital Converter	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 4 channel version of ADS1252
ADS1258	24 Bit, Fast Channel Cycling Delta-Sigma ADC	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 8 channel differential input with very high resolution
OPA333	1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier	PRECISION AMPLIFIER - LOW OFFSET VOLTAGE	OPERATIONAL AMPLIFIER
OPA277	High Precision Operational Amplifiers	PRECISION AMPLIFIER - LOW OFFSET VOLTAGE	OPERATIONAL AMPLIFIER
REF5025	Low Noise, Very Low Drift, Precision Voltage Reference	VOLTAGE REFERENCE - SERIES VOLTAGE REFERENCE	SERIES VOLTAGE REFERENCE
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ADS1252 Status: ACTIVE

ResolutionPlus 24-Bit, 40kHz Analog-to-Digital Converter

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