Datasheet Texas Instruments ADS1251UG4 — Datenblatt

Hersteller	Texas Instruments
Serie	ADS1251
Artikelnummer	ADS1251UG4

24-Bit-Analog-Digital-Wandler mit 20 kHz und geringem Stromverbrauch 8-SOIC -40 bis 85

Datenblätter

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PDF, 895 Kb, Revision: D, Datei veröffentlicht: Jun 17, 2009

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Preise

Status

Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	Yes

Verpackung

Pin	8	8
Package Type	D	D
Industry STD Term	SOIC	SOIC
JEDEC Code	R-PDSO-G	R-PDSO-G
Package QTY	75	75
Carrier	TUBE	TUBE
Device Marking	1251U	ADS
Width (mm)	3.91	3.91
Length (mm)	4.9	4.9
Thickness (mm)	1.58	1.58
Pitch (mm)	1.27	1.27
Max Height (mm)	1.75	1.75
Mechanical Data	Herunterladen	Herunterladen

Parameter

# Input Channels	1
Analog Voltage AVDD(Max)	5.25 V
Analog Voltage AVDD(Min)	4.75 V
Architecture	Delta-Sigma
Digital Supply(Max)	5.25 V
Digital Supply(Min)	4.75 V
INL(Max)	251.7 +/-LSB
Input Range(Max)	5.25 V
Input Type	Differential
Integrated Features	50/60 Hz Rejection
Interface	SPI
Multi-Channel Configuration	N/A
Operating Temperature Range	-40 to 85 C
Package Group	SOIC
Package Size: mm2:W x L	8SOIC: 29 mm2: 6 x 4.9(SOIC) PKG
Power Consumption(Typ)	7.5 mW
Rating	Catalog
Reference Mode	Ext
Resolution	24 Bits
Sample Rate (max)	20kSPS SPS
Sample Rate(Max)	0.02 MSPS
THD(Typ)	-105 dB

Öko-Plan

RoHS

Compliant

Anwendungshinweise

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This application report demonstrates an effective method to interface the ADS1251 and ADS1252 sigma-delta data converters to the MSP430F449 microcontroller. The software for this application report was developed on the HPA449 development system.
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This application report discusses digital filters which are a ubiquitous feature in delta-sigma analog todigital converters (ADCs). Digital low-pass filters are essential to the functionality of a delta-sigma ADCwhich relies on oversampling and noise shaping to push quantization noise out of band. There arevariations between the types of digital filters used in delta-sigma ADCs that provide
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PDF, 425 Kb, Revision: B, Datei veröffentlicht: Oct 9, 2011
This glossary is a collection of the definitions of Texas Instruments' Delta-Sigma (О”ОЈ), successive approximation register (SAR), and pipeline analog-to-digital (A/D) converter specifications and performance characteristics. Although there is a considerable amount of detail in this document, the product data sheet for a particular product specification is the best and final reference.
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Modellreihe

Serie: ADS1251 (4)

ADS1251U ADS1251U/2K5 ADS1251U/2K5G4 ADS1251UG4

Herstellerklassifikation

Semiconductors > Data Converters > Analog-to-Digital Converters (ADCs) > Precision ADCs (<=10MSPS)