ADS1605

更新时间： 2024-11-07 04:31:39

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
37页	846K
描述
18-Bit, 1.25MSPS Analog-to-Digital Converter

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数据手册
替代型号

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ADS1605 数据手册

ꢍ ꢓꢋ ꢀꢙ ꢈꢉ

ꢍ ꢓꢋ ꢀꢙ ꢈꢙ

SBAS280E − JUNE 2003 − REVISED MAY 2007

ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆ ꢀꢇ ꢈꢉ ꢊꢋ ꢌꢋ

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FEATURES

DESCRIPTION

Data Rate: 1.25MSPS

Signal-to-Noise Ratio: 93dB

Total Harmonic Distortion: −101dB

The ADS1625 and ADS1626 are high-speed, high-precision,

delta-sigma analog-to-digital converters (ADCs) with 18-bit

resolution. The data rate is 1.25 mega samples per second

(MSPS), the bandwidth (−3dB) is 615kHz, and passband

ripple is less than 0.0025dB (to 550kHz). Both devices offer

the same outstanding performance at these speeds with a

signal-to-noise ratio up to 93dB, total harmonic distortion

down to −101dB, and a spurious-free dynamic range up to

103dB. The ADS1626 includes an adjustable first-in, first-out

buffer (FIFO) for the output data.

Spurious-Free Dynamic Range: 103dB

Linear Phase with 615kHz Bandwidth

Passband Ripple: 0.0025dB

Adjustable FIFO Output Buffer (ADS1626 only)

Selectable On-Chip Reference

Directly Connects to TMS320C6000 DSPs

Adjustable Power Dissipation: 150 to 515mW

Power Down Mode

The input signal is measured against a voltage reference that

can be generated on-chip or supplied externally. The digital

output data are provided over a simple parallel interface that

easily connects to digital signal processors (DSPs). An

out-of-range monitor reports when the input range has been

exceeded. The ADS1625/6 operate from a +5V analog

supply (AVDD) and +3V digital supply (DVDD). The digital

I/O supply (IOVDD) operates from +2.7 to +5.25V, enabling

the digital interface to support a range of logic families. The

analog power dissipation is set by an external resistor and

can be reduced when operating at slower speeds. A

power-down mode, activated by a digital I/O pin, shuts down

all circuitry. The ADS1625/6 are offered in a TQFP-64

package using TI PowerPAD technology.

Supplies: Analog

Digital

+5V

+3V

Digital I/O +2.7V to +5.25V

APPLICATIONS

Scientific Instruments

Automated Test Equipment

Data Acquisition

Medical Imaging

The ADS1625 and ADS1626, along with their 16-bit,

5MSPS counterparts, the ADS1605 and ADS1606, are

well-suited for the demanding measurement requirements

of scientific instrumentation, automated test equipment,

data acquisition, and medical imaging.

Vibration Analysis

VREFP VREFN VMID RBIAS VCAP

AVDD DVDD IOVDD

Reference and Bias Circuits

REFEN

RESET

CLK

I/O

Interface

AINP

AINN

∆Σ

Modulator

Digital

Filter

DRDY

OTR

ADS1626 Only

DOUT[17:0]

FIFO

ADS1625

ADS1626

FIFO_LEV[2:0]

AGND

DGND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments

semiconductor products and disclaimers thereto appears at the end of this data sheet.

PowerPAD is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.

ꢌꢚ ꢛ ꢓꢜ ꢕ ꢝꢞ ꢛꢟ ꢓ ꢍꢝꢍ ꢄꢎ ꢠꢑ ꢘ ꢡꢏ ꢅꢄꢑꢎ ꢄꢢ ꢣꢤ ꢘ ꢘ ꢗꢎꢅ ꢏꢢ ꢑꢠ ꢥꢤꢦ ꢐꢄꢣ ꢏꢅꢄ ꢑꢎ ꢧꢏ ꢅꢗꢇ ꢌꢘ ꢑꢧꢤ ꢣꢅꢢ

ꢣ ꢑꢎ ꢠꢑꢘ ꢡ ꢅꢑ ꢢ ꢥꢗ ꢣ ꢄ ꢠꢄ ꢣ ꢏ ꢅꢄ ꢑꢎꢢ ꢥ ꢗꢘ ꢅꢨꢗ ꢅꢗ ꢘ ꢡꢢ ꢑꢠ ꢝꢗꢩ ꢏꢢ ꢞꢎꢢ ꢅꢘ ꢤꢡ ꢗꢎꢅ ꢢ ꢢꢅ ꢏꢎꢧ ꢏꢘ ꢧ ꢪ ꢏꢘ ꢘ ꢏ ꢎꢅꢫꢇ

ꢌꢘ ꢑ ꢧꢤꢣ ꢅ ꢄꢑ ꢎ ꢥꢘ ꢑ ꢣ ꢗ ꢢ ꢢ ꢄꢎ ꢒ ꢧꢑ ꢗ ꢢ ꢎꢑꢅ ꢎꢗ ꢣꢗ ꢢꢢ ꢏꢘ ꢄꢐ ꢫ ꢄꢎꢣ ꢐꢤꢧ ꢗ ꢅꢗ ꢢꢅꢄ ꢎꢒ ꢑꢠ ꢏꢐ ꢐ ꢥꢏ ꢘ ꢏꢡ ꢗꢅꢗ ꢘ ꢢꢇ

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中文翻译

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ADS1605 替代型号

型号	品牌	替代类型	描述	数据表
ADS1610	TI	功能相似	16-BIT, 10MSPS ANALOG-TO-DIGITAL CONVERTER

与ADS1605相关器件

型号	品牌	获取价格	描述	数据表
ADS1605IPAPR	TI	获取价格	16-Bit, 5MSPS Analog-to-Digital Converter
ADS1605IPAPRG4	TI	获取价格	16-Bit, 5MSPS Analog-to-Digital Converter
ADS1605IPAPT	TI	获取价格	16-Bit, 5MSPS Analog-to-Digital Converter
ADS1605IPAPTG4	TI	获取价格	16-Bit, 5MSPS Analog-to-Digital Converter
ADS1606	TI	获取价格	18-Bit, 1.25MSPS Analog-to-Digital Converter
ADS1606	BB	获取价格	16 BIT 5MSPS ANALOG TO DIGITAL CONVERTER
ADS1606IPAPR	TI	获取价格	16-Bit, 5MSPS Analog-to-Digital Converter
ADS1606IPAPT	TI	获取价格	16-Bit, 5MSPS Analog-to-Digital Converter
ADS1606IPAPTG4	TI	获取价格	16-Bit, 5MSPS Analog-to-Digital Converter
ADS1610	BB	获取价格	16-Bit, 10 MSPS ANALOG-TO-DIGITAL CONVERTER

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