ADS1282 Status: ACTIVE

Ultra High Resolution Delta Sigma ADC with PGA for Seismic and Energy Exploration

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Datasheet

High-Resolution Analog-to-Digital Converter (Rev. F) (PDF 1253 KB)
23 Mar 2009

	ADS1281	ADS1282
Resolution(Bits)	31	31
Sample Rate (max)	4kSPS	4kSPS
Architecture	Delta-Sigma	Delta-Sigma
Power Consumption(Typ)(mW)	12	27
SNR(dB)	130	130
SNR(Typ)(dB)	130	130
SFDR(dB)	123	123
DNL(Max)(+/-LSB)	1	1
INL(Max)(+/-LSB)	0.00006%	0.00006%
No Missing Codes(Bits)	31	31
No. of Supplies	2	2
Analog Voltage AV/DD(Min)(V)	4.75	4.75
Analog Voltage AV/DD(Max)(V)	5.25	5.25
Logic Voltage DV/DD(Min)(V)	1.65	1.65
Logic Voltage DV/DD(Max)(V)	3.6	3.6
Input Configuration Range	0.5Vref	0.5Vref/PGA
Reference Mode	Ext	Ext
Rating	Catalog	Catalog
Pin/Package	24TSSOP	28TSSOP
# Input Channels	1	2
	Samples	Samples
	Inventory	Inventory

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Product Information

Features

High Resolution:
130dB SNR (250SPS, High-Resolution Mode)
127dB SNR (250SPS, Low-Power Mode)
High Accuracy:
THD: –122dB
INL: 0.5ppm
Low-Noise PGA
Two-Channel Input MUX
Inherently-Stable Modulator with Fast Responding
Over-Range Detection
Flexible Digital Filter:
Sinc + FIR + IIR (Selectable)
Linear or Minimum Phase Response
Programmable High-Pass Filter
Selectable FIR Data Rates: 250SPS to 4kSPS
Filter Bypass Option
Low Power Consumption:
High-Resolution Mode: 25mW
Low-Power Mode: 17mW
Shutdown: 10µW
Offset and Gain Calibration Engine
SYNC Input
Analog Supply:
Unipolar (+5V) or Bipolar (±2.5V)
Digital Supply: 1.8V to 3.3V
APPLICATIONS
- Energy Exploration
- Seismic Monitoring
- High-Accuracy Instrumentation

All other trademarks are the property of their respective owners.

Description

The ADS1282 is an extremely high-performance, single-chip analog-to-digital converter (ADC) with an integrated, low-noise programmable gain amplifier (PGA) and two-channel input multiplexer (MUX). The ADS1282 is suitable for the demanding needs of energy exploration and seismic monitoring environments.

The converter uses a fourth-order, inherently stable, delta-sigma () modulator that provides outstanding noise and linearity performance. The modulator is used either in conjunction with the on-chip digital filter, or can be bypassed for use with post processing filters.

The flexible input MUX provides an additional external input for measurement, as well as internal self-test connections. The PGA features outstanding low noise (5nV/Hz) and high input impedance, allowing easy interfacing to geophones and hydrophones over a wide range of gains.

View All Description in Datasheet

Pricing / Packaging / CAD Design Tools / Samples

		Price	Packaging			Samples
Device	Status	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Samples
ADS1282IPW	ACTIVE	41.40 \| 1ku	TSSOP (PW) \| 28	View	50 \| TUBE
ADS1282IPWG4	ACTIVE	41.40 \| 1ku	TSSOP (PW) \| 28	View	50 \| TUBE
ADS1282IPWR	ACTIVE	34.50 \| 1ku	TSSOP (PW) \| 28	View	2000 \| LARGE T&R	Purchase Samples
ADS1282IPWRG4	ACTIVE	34.50 \| 1ku	TSSOP (PW) \| 28	View	2000 \| LARGE T&R	Purchase Samples

* 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 12:21 PM GMT, 24 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 20 WeeksADS1282IPW
None Reported View Distributors
TI Lead Time*: 20 WeeksADS1282IPWG4
None Reported View Distributors
TI Lead Time*: 20 WeeksADS1282IPWR
None Reported View Distributors
TI Lead Time*: 20 WeeksADS1282IPWRG4
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
ADS1282IPW	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
ADS1282IPWG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
ADS1282IPWR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
ADS1282IPWRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	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 ADS1282

Datasheet

High-Resolution Analog-to-Digital Converter (Rev. F) (PDF, 1253 KB)
23 Mar 2009

Application Notes

Thermal and Electrical Properties of Selected Packaging Materials (HTM, 8 KB) 16070 views
04 Oct 2000 Read Abstract
Shelf-Life Evaluation of Lead-Free Component Finishes (HTM, 8 KB) 27253 views
24 May 2004 Read Abstract
A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. A) (HTM, 8 KB) 18028 views
12 Jan 2008 Read Abstract
Interleaving Analog-to-Digital Converters (HTM, 8 KB) 7755 views
02 Oct 2000 Read Abstract
Analog-to-Digital Converter Grounding Practices Affect System Performance (HTM, 8 KB) 14663 views
02 Oct 2000 Read Abstract
Principles of Data Acquisition and Conversion (HTM, 8 KB) 16368 views
02 Oct 2000 Read Abstract
High Speed Data Conversion (HTM, 8 KB) 22585 views
02 Oct 2000 Read Abstract
What Designers Should Know About Data Converter Drift (HTM, 8 KB) 9964 views
02 Oct 2000 Read Abstract

View Application Notes for Analog to Digital Converter

User Guides

ADS1282EVM, ADS1282EVM-PDK (Rev. B) (PDF, 3763 KB) 783 views
19 May 2009

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
ADS1281 Performance Development Kit (PDK)	ADS1281EVM-PDK	Texas Instruments	Development Boards/EVMs
ADCPro(TM) Analog-to-Digital Converter Evaluation Software	ADCPRO	Texas Instruments	Application Software

Part #	Name	Product Family	Comments
ADS1281	High Resolution 24-Bit Analog-to Digital Converter	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Single channel version of ADS1282. No onboard PGA
ADS1274	Quad, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC	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
ADS1271	24-Bit, 105kSPS Industrial Delta-Sigma ADC	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Single channel device. Lower sampling rate
ADS1278	Octal, 128kHz, Simultaneous Sampling 24-Bit 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 device. Lower sampling rate
OPA227	High Precision, Low Noise 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
Customers Who Evaluated This Product Also Evaluated...
ADS1281	High Resolution 24-Bit Analog-to Digital Converter	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1278	Octal, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1274	Quad, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1675	4MSPS, 24-Bit Analog-to-Digital Converter	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
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ADS1259	Low-Noise, 14kSPS, 24-Bit Analog-to-Digital Converter	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1258	24 Bit, Fast Channel Cycling Delta-Sigma ADC	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1256	24 Bit, 30kSPS Very Low Noise Delta-Sigma ADC with Multiplexer	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1232	24-Bit, Ultra Low-Noise Analog-to-Digital Converter	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
ADS1672	High Speed High Resolution 625kSPS 24 bit Delta Sigma ADC	DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER	TI customers also evaluated this product.
TPS62040	Adjustable, 1.2-A, 95% Efficient Step-Down Converter, 18uA, MSOP-10	DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS	TI customers also evaluated this product.
OPA277	High Precision Operational Amplifiers	PRECISION AMPLIFIER-LOW OFFSET VOLTAGE	TI customers also evaluated this product.

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ADS1282 Status: ACTIVE

Ultra High Resolution Delta Sigma ADC with PGA for Seismic and Energy Exploration

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