ADS1230 Status: ACTIVE

20 Bit Delta Sigma ADC for Bridge Sensors

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Datasheet

20-Bit Analog-to-Digital Converter for Bridge Sensors (Rev. A) (PDF 561 KB)
18 Jul 2007

	ADS1130	ADS1131	ADS1230	ADS1231	ADS1232	ADS1234
Resolution(Bits)	18		20		24	24
Sample Rate (max)	80SPS		80SPS	80SPS	80SPS	80SPS
Architecture	Delta-Sigma	Delta-Sigma	Delta-Sigma	Delta-Sigma	Delta-Sigma	Delta-Sigma
Power Consumption(Typ)(mW)	2.9	2.9	2.9	2.9	4.3	4.3
DNL(Max)(+/-LSB)	1	1	1	1	1	1
INL(Max)(+/-LSB)	0.0006%		0.0006%	0.0006%	0.0002%	0.0002%
No Missing Codes(Bits)	18	18	20	24	24	24
ENOB(Bits)	17.5	17.5	19.5	23.5	23.5	23.5
No. of Supplies	2	2	2	2	2	2
Analog Voltage AV/DD(Min)(V)	2.7	2.7	2.7	2.7	2.7	2.7
Analog Voltage AV/DD(Max)(V)	5.3	5.3	2.3	5.3	5.3	5.3
Logic Voltage DV/DD(Min)(V)	2.7	2.7	2.7		2.7	2.7
Logic Voltage DV/DD(Max)(V)	5.3	5.3	5.3		5.3	5.3
Input Configuration Range	0.5Vref/PGA (1,2,64)	0.5Vref/PGA	0.5Vref/PGA (1,2,64,128)	0.5Vref/PGA	0.5Vref/PGA (1,2,64,128)	0.5Vref/PGA (1,2,64,128)
Reference Mode	Ext	Ext	Ext	EXT	Ext	Ext
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Pin/Package	16TSSOP	16TSSOP	16TSSOP	16TSSOP	24TSSOP	28TSSOP
# Input Channels	1	1	1	1	2	4
	Samples	Samples	Samples	Samples	Samples	Samples
	Inventory	Inventory Not Available	Inventory	Inventory Not Available	Inventory	Inventory

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Product Information

Features

Complete Front-End for Bridge Sensor
Onboard PGA with Gain of 64 or 128
Onboard Oscillator
RMS Noise:
40nV at 10SPS (G = 128)
88nV at 80SPS (G = 128)
18-Bit Noise-Free Resolution
Selectable 10SPS or 80SPS Data Rates
Simultaneous 50Hz and 60Hz Rejection at 10SPS
External Voltage Reference up to 5V for Ratiometric Measurements
Simple, Pin-Driven Control
Two-Wire Serial Digital Interface
Tiny 16-pin TSSOP Package
Supply Range: 2.7V to 5.3V
-40°C to +85°C Temperature Range
APPLICATIONS
- Weigh Scales
- Strain Gauges
- Pressure Sensors
- Industrial Process Control

All trademarks are the property of their respective owners.

Description

The ADS1230 is a precision 20-bit analog-to-digital converter (ADC). With an onboard low-noise programmable gain amplifier (PGA), onboard oscillator, and precision 20-bit delta-sigma ADC, the ADS1230 provides a complete front-end solution for bridge sensor applications including weigh scales, strain gauges, and pressure sensors.

The low-noise PGA has a gain of 64 or 128, supporting a full-scale differential input of ±39mV or ±19.5mV, respectively. The delta-sigma ADC has 20-bit effective resolution and is comprised of a 3rd-order modulator and 4th-order digital filter. Two data rates are supported: 10SPS (with both 50Hz and 60Hz rejection) and 80SPS. The ADS1230 can be clocked by the internal oscillator or an external clock source.

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
ADS1230IPW	ACTIVE	-40 to 85	2.75 \| 1ku	TSSOP (PW) \| 16	View	90 \| TUBE
ADS1230IPWG4	ACTIVE	-40 to 85	2.75 \| 1ku	TSSOP (PW) \| 16	View	90 \| TUBE
ADS1230IPWR	ACTIVE	-40 to 85	2.50 \| 1ku	TSSOP (PW) \| 16	View	2000 \| LARGE T&R	Purchase Samples
ADS1230IPWRG4	ACTIVE	-40 to 85	2.50 \| 1ku	TSSOP (PW) \| 16	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 WeeksADS1230IPW
None Reported View Distributors
TI Lead Time*: 20 WeeksADS1230IPWG4
Europe	Arrow Northern Europe	14
TI Lead Time*: 20 WeeksADS1230IPWR
None Reported View Distributors
TI Lead Time*: 20 WeeksADS1230IPWRG4
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
ADS1230IPW	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1230IPWG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1230IPWR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
ADS1230IPWRG4	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 ADS1230

Datasheet

20-Bit Analog-to-Digital Converter for Bridge Sensors (Rev. A) (PDF, 561 KB)
18 Jul 2007

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

ADS1230REF User's Guide (Rev. A) (PDF, 1006 KB) 1065 views
28 Sep 2007

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
ADS1230REF Evaluation Module	ADS1230REF	Texas Instruments	Development Boards/EVMs

Part #	Name	Product Family	Comments
ADS1232	24-Bit, Ultra Low-Noise Analog-to-Digital Converter	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	It is an 2-channel, 24 bit version of the ADS1230
ADS1234	24-Bit, Ultra Low-Noise Analog-to-Digital Converter	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	It is a 4-channel, 24 bit version of ADS1230
ADS1225	24-bit, 100SPS ADC with Differential Input and Internal Oscillator	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.
ADS1110	16-Bit Delta-Sigma ADC with internal reference, PGA and oscillator. I2C Serial Interface	DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER	The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.
OPA333	1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier	PRECISION AMPLIFIER - LOW OFFSET VOLTAGE
OPA369	1.8V, 700nA, Zero-Crossover Rail-To-Rail I/O Operational Amplifier	PRECISION AMPLIFIER - LOW POWER
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ADS1230 Status: ACTIVE

20 Bit Delta Sigma ADC for Bridge Sensors

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