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ADS7864YB/250 PDF预览

ADS7864YB/250

更新时间: 2024-09-29 22:10:03
品牌 Logo 应用领域
BB 转换器模数转换器
页数 文件大小 规格书
16页 184K
描述
500kHz, 12-Bit, 6-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER

ADS7864YB/250 技术参数

生命周期:Transferred包装说明:TQFP-48
Reach Compliance Code:unknown风险等级:5.69
Is Samacsys:N最大模拟输入电压:5 V
最小模拟输入电压:-5 V转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:S-PQFP-G48最大线性误差 (EL):0.0244%
模拟输入通道数量:6位数:12
功能数量:1端子数量:48
最高工作温度:85 °C最低工作温度:-40 °C
输出位码:2'S COMPLEMENT BINARY输出格式:PARALLEL, WORD
封装主体材料:PLASTIC/EPOXY封装形状:SQUARE
封装形式:FLATPACK认证状态:Not Qualified
采样速率:0.5 MHz采样并保持/跟踪并保持:SAMPLE
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子位置:QUAD
Base Number Matches:1

ADS7864YB/250 数据手册

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ADS7864  
ADS7864  
500kHz, 12-Bit, 6-Channel  
Simultaneous Sampling  
ANALOG-TO-DIGITAL CONVERTER  
DESCRIPTION  
FEATURES  
The ADS7864 is a dual 12-bit, 500kHz Analog-to-  
Digital (A/D) converter with 6 fully differential input  
channels grouped into three pairs for high speed simul-  
taneous signal acquisition. Inputs to the sample-and-  
hold amplifiers are fully differential and are main-  
tained differential to the input of the A/D converter.  
This provides excellent common-mode rejection of  
80dB at 50kHz which is important in high noise  
environments.  
6 SIMULTANEOUS SAMPLING CHANNELS  
FULLY DIFFERENTIAL INPUTS  
2µs TOTAL THROUGHPUT PER CHANNEL  
GUARANTEED NO MISSING CODES  
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  
CH A0–  
S/H  
SAR  
Amp  
CH B0+  
HOLDB  
COMP  
CH B0–  
S/H  
Amp  
Interface  
A2  
CDAC  
A1  
CH C1+  
HOLDC  
A0  
Conversion  
and  
Control  
CH C1–  
MUX  
S/H  
Amp  
BYTE  
CLOCK  
CS  
REFIN  
RD  
Internal  
2.5V  
Reference  
BUSY  
RESET  
REFOUT  
FIFO  
Channel/  
Registers  
Data Output  
CH A1+  
CH A1–  
16  
COMP  
S/H  
Amp  
CDAC  
CH B1+  
CH B1–  
S/H  
Amp  
CH C1+  
CH C1–  
MUX  
SAR  
S/H  
Amp  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132  
http://www.ti.com/  
Tel: (520) 746-1111  
Twx: 910-952-1111 • Cable: BBRCORP  
Telex: 066-6491  
http://www.burr-brown.com/  
Copyright © 2000, Texas Instruments Incorporated  
Printed in U.S.A. September, 2000  
PDS-1581A  
SBAS141  

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