Datasheet Texas Instruments ADS7864 — Datenblatt

Hersteller	Texas Instruments
Serie	ADS7864

Datenblätter

Preise

Status

Verpackung

Parameter

Parameters / Models	ADS7864Y/250	ADS7864Y/250G4	ADS7864Y/2K	ADS7864Y/2KG4	ADS7864YB/250	ADS7864YB/250G4	ADS7864YB/2K
# Input Channels	6	6	6	6	6	6	6
Analog Voltage AVDD(Max), V	5.25	5.25	5.25	5.25	5.25	5.25	5.25
Analog Voltage AVDD(Min), V	4.75	4.75	4.75	4.75	4.75	4.75	4.75
Architecture	SAR	SAR	SAR	SAR	SAR	SAR	SAR
Digital Supply(Max), V	5.25	5.25	5.25	5.25	5.25	5.25	5.25
Digital Supply(Min), V	4.75	4.75	4.75	4.75	4.75	4.75	4.75
INL(Max), +/-LSB	2	2	2	2	2	2	2
Input Range(Max), V	2.5	2.5	2.5	2.5	2.5	2.5	2.5
Input Range(Min), V	-2.5	-2.5	-2.5	-2.5	-2.5	-2.5	-2.5
Input Type	Differential	Differential	Differential	Differential	Differential	Differential	Differential
Integrated Features	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Interface	Parallel	Parallel	Parallel	Parallel	Parallel	Parallel	Parallel
Multi-Channel Configuration	Simultaneous Sampling	Simultaneous Sampling	Simultaneous Sampling	Simultaneous Sampling	Simultaneous Sampling	Simultaneous Sampling	Simultaneous Sampling
Operating Temperature Range, C	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Package Group	TQFP	TQFP	TQFP	TQFP	TQFP	TQFP	TQFP
Package Size: mm2:W x L, PKG	48TQFP: 81 mm2: 9 x 9(TQFP)	48TQFP: 81 mm2: 9 x 9(TQFP)	48TQFP: 81 mm2: 9 x 9(TQFP)	48TQFP: 81 mm2: 9 x 9(TQFP)	48TQFP: 81 mm2: 9 x 9(TQFP)	48TQFP: 81 mm2: 9 x 9(TQFP)	48TQFP: 81 mm2: 9 x 9(TQFP)
Power Consumption(Typ), mW	50	50	50	50	50	50	50
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Reference Mode	Ext,Int	Ext,Int	Ext,Int	Ext,Int	Ext,Int	Ext,Int	Ext,Int
Resolution, Bits	12	12	12	12	12	12	12
SINAD, dB	71	71	71	71	71	71	71
SNR, dB	71.1	71.1	71.1	71.1	71.1	71.1	71.1
Sample Rate (max), SPS	500kSPS	500kSPS	500kSPS	500kSPS	500kSPS	500kSPS	500kSPS
Sample Rate(Max), MSPS	0.5	0.5	0.5	0.5	0.5	0.5	0.5
THD(Typ), dB	-75	-75	-75	-75	-75	-75	-75

Öko-Plan

Anwendungshinweise

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  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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  This application report analyzes a simple method for calculating minimum acquisition times for successive-approximation register analog-to-digital converters (SAR ADCs). The input structure of the ADC is examined along with the driving circuit. The voltage on the sampling capacitor is then determined for the case when a step function is applied to the input of the driving circuit. Three different
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  The input structure circuit of a successive-approximation register analog-to-digital converter (SAR ADC) incombination with the driving circuit forms a transfer function that can be used to determine minimum acquisition times for different types of applied input signals. This application report, which builds on Determining Minimum Acquisition Times for SAR ADCs When a Step Function is Applied to
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  Interfacing the ADS786x to TMS470 Processors
  PDF, 59 Kb, Datei veröffentlicht: Jul 10, 2006
  This application report presents methods of interfacing the ADS7866/67/68 12/10/8-bit SAR analog-to-digital converter to the serial peripheral interface (SPI) port of the TMS470 processors. The flexible clocking scheme of the TMS470 SPI port, along with its internal 16-bit shift register provides an easy hardware/software interface to this series of high-speed, micro power SAR converters.

Modellreihe

Herstellerklassifikation

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