Datasheet > ADS7864

ADS7864

更新时间： 2024-10-01 11:13:31

品牌	Logo	应用领域
德州仪器 - TI		转换器模数转换器
页数	文件大小	规格书
27页	576K
描述
500kHz、12 位、6 通道同步采样模数转换器

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ADS7864 数据手册

ADS7864

SBAS141A–SEPTEMBER 2000–REVISED MARCH 2005

500kHz, 12-Bit, 6-Channel Simultaneous Sampling

ANALOG-TO-DIGITAL CONVERTER

FEATURES

DESCRIPTION

•

6 Simultaneous Sampling Channels

Fully Differential Inputs

2µs Total Throughput per Channel

No Missing Codes

The ADS7864 is

dual 12-bit, 500kHz

analog-to-digital (A/D) converter with 6 fully differen-

tial input channels grouped into three pairs for high

speed simultaneous signal acquisition. Inputs to the

sample-and-hold amplifiers are fully differential and

are maintained differential to the input of the A/D

converter. This provides excellent common-mode re-

jection of 80dB at 50kHz which is important in high

noise environments.

Parallel Interface

1MHz Effective Sampling Rate

Low Power: 50mW

6X FIFO

The ADS7864 offers a parallel interface and control

inputs to minimize software overhead. The output

data for each channel is available as a 16-bit word

(address and data). The ADS7864 is offered in a

TQFP-48 package and is fully specified over the

–40°C to +85°C operating range.

APPLICATIONS

•

Motor Control

Multi-Axis Positioning Systems

3-Phase Power Control

CH A0+

HOLDA

SAR

CH A0−

S/H

Amp

CH B0+

HOLDB

HOLDC

COMP

CH B0−

S/H

Amp

Interface

CDAC

CH C1+

Conversion

and

CH C1−

MUX

S/H

Amp

BYTE

CLOCK

Control

REF_IN

Internal

2.5V

Reference

BUSY

RESET

REF_OUT

FIFO

Channel/

Registers

Data Output

CH A1+

CH A1−

COMP

S/H

Amp

CDAC

CH B1+

CH B1−

S/H

Amp

CH C1+

CH C1−

MUX

SAR

S/H

Amp

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.

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...27

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与ADS7864相关器件

型号	品牌	获取价格	描述	数据表
ADS7864Y	BB	获取价格	500kHz, 12-Bit, 6-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7864Y	TI	获取价格	6-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48, PLASTIC, TQFP-48
ADS7864Y/250	BB	获取价格	500kHz, 12-Bit, 6-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7864Y/250	TI	获取价格	500kHz、12 位、6 通道同步采样模数转换器 \| PFB \| 48 \| -40 to
ADS7864Y/250G4	TI	获取价格	500kHz、12 位、6 通道同步采样模数转换器 \| PFB \| 48 \| -40 to
ADS7864Y/2K	TI	获取价格	500kHz、12 位、6 通道同步采样模数转换器 \| PFB \| 48
ADS7864Y/2K	BB	获取价格	500kHz, 12-Bit, 6-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7864YB	BB	获取价格	500kHz, 12-Bit, 6-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7864YB	TI	获取价格	IC 6-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48, PLASTIC, TQFP-48, An
ADS7864YB/250	BB	获取价格	500kHz, 12-Bit, 6-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER

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