Datasheet > ADS8860IDGS

ADS8860IDGS

更新时间： 2024-11-28 11:07:59

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
44页	1291K
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具有单端输入、SPI 和菊花链的 16 位、1MSPS、单通道 SAR ADC \| DGS \| 10 \| -40 to 85

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ADS8860IDGS 数据手册

ADS8887

www.ti.com

SBAS613A –MAY 2013–REVISED DECEMBER 2013

18-Bit, 100-kSPS, Serial Interface, microPower, Miniature,

True-Differential Input, SAR Analog-to-Digital Converter

Check for Samples: ADS8887

FEATURES

APPLICATIONS

234

•

Sample Rate: 100 kHz

No Latency Output

•

Automatic Test Equipment (ATE)

Instrumentation and Process Controls

Precision Medical Equipment

•

Unipolar, True-Differential Input Range:

–V_REFto +V_REF

Low-Power, Battery-Operated Instruments

Wide Common-Mode Voltage Range:

0 V to V_REFwith 90-dB CMRR (min)

DESCRIPTION

The ADS8887 is an 18-bit, 100-kSPS, true-differential

input, analog-to-digital converter (ADC). The device

operates with a 2.5-V to 5-V external reference,

offering a wide selection of signal ranges without

additional input signal scaling. The reference voltage

setting is independent of, and can exceed, the analog

supply voltage (AVDD).

SPI™-Compatible Serial Interface with

Daisy-Chain Option

Excellent AC and DC Performance:

–

SNR: 100 dB, THD: –115 dB

INL: ±1.5 LSB (typ), ±3.0 LSB (max)

DNL: +1.5 and –1 LSB (max), 18-Bit NMC

The device offers an SPI-compatible serial interface

that also supports daisy-chain operation for

cascading multiple devices.

•

Wide Operating Range:

–

AVDD: 2.7 V to 3.6 V

DVDD: 1.65 V to 3.6 V

(Independent of AVDD)

The device supports unipolar, true-differential analog

input signals with a differential input swing of –V_REFto

+V_REF. This true-differential analog input structure

allows for a common-mode voltage of any value in

the range of 0 V to +V_REF(when both inputs are

within the operating input range of –0.1 V to V_REF

+ 0.1 V).

–

REF: 2.5 V to 5 V (Independent of AVDD)

Operating Temperature: –40°C to +85°C

•

Low-Power Dissipation:

–

0.7 mW at 100 kSPS

70 µW at 10 kSPS

Device operation is optimized for very low-power

operation. Power consumption directly scales with

speed. This feature makes the ADS8887 excellent for

lower-speed applications.

•

Power-Down Current (AVDD): 50 nA

Full-Scale Step Settling to 18 Bits: 1200 ns

Packages: MSOP-10 and SON-10

2.5 V to 5 V 2.7 V to 3.6 V

True-Differential Input Range

V_DIFF

Traditional Input Range

ADS8887 Input Range

+V_REF

AVDD

DVDD

REF

1.65 V to 3.6 V

0 V - V_REF

V_REF

AINP

AINM

DIN

SCLK

V_CM

ADS8887

0 V

V_REF

DOUT

0 V

CONVST

0 V - V_REF

V_REF/2

GND

-V_REF

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.

TINA is a trademark of Texas Instruments Inc..

SPI is a trademark of Motorola Inc.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...44

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ADS8860IDGS 替代型号

型号	品牌	替代类型	描述	数据表
ADS8866IDGSR	TI	类似代替	具有单端输入、SPI 接口和菊花链的 16 位、100kSPS、单通道 SAR ADC \|
ADS8866IDGS	TI	类似代替	具有单端输入、SPI 接口和菊花链的 16 位、100kSPS、单通道 SAR ADC \|
ADS8862IDGSR	TI	类似代替	具有单端输入、SPI 接口和菊花链的 16 位、680kSPS、单通道 SAR ADC \|

与ADS8860IDGS相关器件

型号	品牌	获取价格	描述	数据表
ADS8860IDGSR	TI	获取价格	具有单端输入、SPI 和菊花链的 16 位、1MSPS、单通道 SAR ADC \| DGS
ADS8860IDRCR	TI	获取价格	具有单端输入、SPI 和菊花链的 16 位、1MSPS、单通道 SAR ADC \| DRC
ADS8860IDRCT	TI	获取价格	具有单端输入、SPI 和菊花链的 16 位、1MSPS、单通道 SAR ADC \| DRC
ADS8861	TI	获取价格	18-Bit, 100-kSPS, Serial Interface, microPower, Miniature, True-Differential Input, SAR An
ADS8861IDGS	TI	获取价格	具有真差分输入、SPI 接口和菊花链的 16 位、1MSPS、单通道 SAR ADC \|
ADS8861IDGSR	TI	获取价格	具有真差分输入、SPI 接口和菊花链的 16 位、1MSPS、单通道 SAR ADC \|
ADS8861IDRCR	TI	获取价格	具有真差分输入、SPI 接口和菊花链的 16 位、1MSPS、单通道 SAR ADC \|
ADS8861IDRCT	TI	获取价格	具有真差分输入、SPI 接口和菊花链的 16 位、1MSPS、单通道 SAR ADC \|
ADS8862	TI	获取价格	18-Bit, 100-kSPS, Serial Interface, microPower, Miniature, True-Differential Input, SAR An
ADS8862IDGS	TI	获取价格	具有单端输入、SPI 接口和菊花链的 16 位、680kSPS、单通道 SAR ADC \|

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