ADS1244 Status: ACTIVE

24-Bit 15sps Delta-Sigma ADC with 50 & 60Hz rejection

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Datasheet

ADS1244: Low Power, 24-Bit Analog-To-Digital Converter (PDF 531 KB)
21 Oct 2002

	ADS1244	ADS1245
Resolution(Bits)	24	24
Sample Rate (max)	30SPS	15SPS
Architecture	Delta-Sigma	Delta-Sigma
Power Consumption(Typ)(mW)	0.27	0.47
DNL(Max)(+/-LSB)	1	1
INL(Max)(+/-LSB)	0.0002%	0.0006%
No Missing Codes(Bits)	24	24
No. of Supplies	2	2
Analog Voltage AV/DD(Min)(V)	2.5	2.5
Analog Voltage AV/DD(Max)(V)	5.25	5.25
Logic Voltage DV/DD(Min)(V)	1.8	1.8
Logic Voltage DV/DD(Max)(V)	3.6	3.6
Input Configuration Range	2Vref	2Vref
Reference Mode	Ext	Ext
Rating	Catalog	Catalog
Pin/Package	10MSOP	10MSOP
# Input Channels	1	1
	Samples	Samples
	Inventory	Inventory

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Product Information

Features

20-BIT EFFECTIVE RESOLUTION
CURRENT CONSUMPTION: 90uA
ANALOG SUPPLY: 2.5V to 5.25V
DIGITAL SUPPLY: 1.8V to 3.6V
±5V DIFFERENTIAL INPUT RANGE
0.0002%INL (TYP), 0.0008%INL (MAX)
SIMPLE 2-WIRE SERIAL INTERFACE
SIMULTANEOUS 50Hz AND 60Hz REJECTION
SINGLE CONVERSIONS WITH SLEEP MODE
SINGLE-CYCLE SETTLING
SELF-CALIBRATION
WELL-SUITED FOR MULTICHANNEL SYSTEMS
EASILY CONNECTS TO THE MSP430
APPLICATIONS
- HAND-HELD INSTRUMENTATION
- PORTABLE MEDICAL EQUIPMENT
- INDUSTRIAL PROCESS CONTROL
- WEIGH SCALES

Description

The ADS1244 is a 24-bit, delta-sigma Analog-to-Digital (A/D) converter. It offers excellent performance and very low power in an MSOP-10 package and is well suited for demanding high-resolution measurements, especially in portable and other space- and power-constrained systems.

A 3rd-order delta-sigma modulator and digital filter form the basis of the A/D converter. The analog modulator has a ±5V differential input range. The digital filter rejects both 50Hz and 60Hz signals, completely settles in one cycle, and outputs data at 15 samples per second.

A simple, 2-wire serial interface provides all the necessary control. Data retrieval, self-calibration, and Sleep Mode are handled with a few simple waveforms.

View All Description in Datasheet

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools		Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
ADS1244IDGSR	ACTIVE	-40 to 85	3.70 \| 1ku	MSOP (DGS) \| 10	View	2500 \| LARGE T&R	Purchase Samples
ADS1244IDGSRG4	ACTIVE	-40 to 85	3.70 \| 1ku	MSOP (DGS) \| 10	View	2500 \| LARGE T&R	Purchase Samples
ADS1244IDGST	ACTIVE	-40 to 85	4.10 \| 1ku	MSOP (DGS) \| 10	View	250 \| SMALL T&R
ADS1244IDGSTG4	ACTIVE	-40 to 85	4.10 \| 1ku	MSOP (DGS) \| 10	View	250 \| SMALL T&R

* 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 12:18 PM GMT, 22 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 14 WeeksADS1244IDGSR
None Reported View Distributors
TI Lead Time*: 14 WeeksADS1244IDGSRG4
None Reported View Distributors
TI Lead Time*: 20 WeeksADS1244IDGST
Americas	Rochester Electronics	200
Asia	WPI	196
TI Lead Time*: 20 WeeksADS1244IDGSTG4
Asia	Farnell Asia	8
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
ADS1244IDGSR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1244IDGSRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1244IDGST	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1244IDGSTG4	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 ADS1244

Datasheet

ADS1244: Low Power, 24-Bit Analog-To-Digital Converter (PDF, 531 KB)
21 Oct 2002

Application Notes

Thermal and Electrical Properties of Selected Packaging Materials (HTM, 8 KB) 16050 views
04 Oct 2000 Read Abstract
Shelf-Life Evaluation of Lead-Free Component Finishes (HTM, 8 KB) 27231 views
24 May 2004 Read Abstract
A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. A) (HTM, 8 KB) 18014 views
12 Jan 2008 Read Abstract
Data Capture with Multiple ADS1244 or ADS1245 Devices in Parallel (HTM, 8 KB) 440 views
02 Jun 2004 Read Abstract
Programming Tricks for Higher Conversion Speeds Utilizing Delta Sigma Converters (HTM, 8 KB) 4559 views
27 Sep 2000 Read Abstract
Giving Delta-Sigma Converters a Gain Boost with a Front End Analog Gain Stage (HTM, 8 KB) 4840 views
27 Sep 2000 Read Abstract
Interleaving Analog-to-Digital Converters (HTM, 8 KB) 7743 views
02 Oct 2000 Read Abstract
Analog-to-Digital Converter Grounding Practices Affect System Performance (HTM, 8 KB) 14642 views
02 Oct 2000 Read Abstract
Principles of Data Acquisition and Conversion (HTM, 8 KB) 16351 views
02 Oct 2000 Read Abstract
High Speed Data Conversion (HTM, 8 KB) 22549 views
02 Oct 2000 Read Abstract
What Designers Should Know About Data Converter Drift (HTM, 8 KB) 9952 views
02 Oct 2000 Read Abstract

View Application Notes for Analog to Digital Converter

User Guides

ADS1244EVM, ADS1245EVM User's Guide (PDF, 397 KB) 674 views
29 May 2003

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
ADS1244 Evaluation Module	ADS1244EVM	Texas Instruments	Development Boards/EVMs

Part #	Name	Product Family	Comments
ADS1245	24-bit Low-Power ADC with High-Z Input Buffer	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Supports 2.5V input voltage as compared to ADS1244's 5V
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 device with very high sampling rate
ADS1252	ResolutionPlus 24-Bit, 40kHz 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 higher sampling rate. (41kSPS)
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 high sampling rate. (20kSPS)
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. High sampling rate (20kSPS), 4 channel device
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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ADS1244 Status: ACTIVE

24-Bit 15sps Delta-Sigma ADC with 50 & 60Hz rejection

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