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ADS7845E/2K5 PDF预览

ADS7845E/2K5

更新时间: 2024-09-17 02:58:39
品牌 Logo 应用领域
德州仪器 - TI 光电二极管转换器
页数 文件大小 规格书
16页 323K
描述
5-WIRE TOUCH SCREEN INTERFACE, RATIOMETRIC CONVERSION, SINGLE SUPPLY:2V to 5V

ADS7845E/2K5 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:SSOP
包装说明:SSOP,针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:1.25Is Samacsys:N
最大模拟输入电压:2.5 V最小模拟输入电压:
最长转换时间:6 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:4.9 mm最大线性误差 (EL):0.0488%
湿度敏感等级:2模拟输入通道数量:1
位数:12功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C输出位码:BINARY
输出格式:SERIAL封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified采样速率:0.125 MHz
采样并保持/跟踪并保持:SAMPLE座面最大高度:1.75 mm
标称供电电压:2.7 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:0.64 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

ADS7845E/2K5 数据手册

 浏览型号ADS7845E/2K5的Datasheet PDF文件第2页浏览型号ADS7845E/2K5的Datasheet PDF文件第3页浏览型号ADS7845E/2K5的Datasheet PDF文件第4页浏览型号ADS7845E/2K5的Datasheet PDF文件第5页浏览型号ADS7845E/2K5的Datasheet PDF文件第6页浏览型号ADS7845E/2K5的Datasheet PDF文件第7页 
®
ADS7845  
ADS7845  
TOUCH SCREEN CONTROLLER  
DESCRIPTION  
FEATURES  
5-WIRE TOUCH SCREEN INTERFACE  
RATIOMETRIC CONVERSION  
SINGLE SUPPLY: 2V to 5V  
The ADS7845 is a 12-bit sampling analog-to-digital  
converter (ADC) with a synchronous serial interface  
and low on-resistance switches for driving touch  
screens. Typical power dissipation is 750µW at a  
125kHz throughput rate and a +2.7V supply. The  
reference voltage (VREF) can be varied between 1V and  
+VCC, providing a corresponding input voltage range  
of 0V to VREF. The device includes a shutdown mode  
which reduces typical power dissipation to under  
0.5µW. The ADS7845 is guaranteed down to 2.7V  
operation.  
UP TO 125kHz CONVERSION RATE  
SERIAL INTERFACE  
PROGRAMMABLE 8- OR 12-BIT RESOLUTION  
AUXILIARY ANALOG INPUTS  
FULL POWER-DOWN CONTROL  
Low power, high speed, and on-board switches make  
the ADS7845 ideal for battery-operated systems such  
as personal digital assistants with resistive touch screens  
and other portable equipment. The ADS7845 is avail-  
able in a 16-lead SSOP package and is guaranteed  
over the –40°C to +85°C temperature range.  
APPLICATIONS  
PERSONAL DIGITAL ASSISTANTS  
PORTABLE INSTRUMENTS  
POINT-OF-SALES TERMINALS  
PAGERS  
TOUCH-SCREEN MONITORS  
+VCC  
GND  
UR  
LR  
GND  
Driver  
+VCC  
SAR  
UL  
LL  
ADS7845  
DOUT  
BUSY  
Comparator  
Serial  
Data  
Interface  
and  
+VCC  
GND  
CS  
CDAC  
Control  
DCLK  
DIN  
AUX IN  
MUX  
WIPER  
PENIRQ  
VREF  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
• Tel: (520) 746-1111  
Twx: 910-952-1111  
Internet: http://www.burr-brown.com/  
Cable: BBRCORP  
Telex: 066-6491  
FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132  
©1998 Burr-Brown Corporation  
PDS-1497A  
Printed in U.S.A. December, 1998  
SBAS104  

ADS7845E/2K5 替代型号

型号 品牌 替代类型 描述 数据表
ADS7845E TI

类似代替

5-WIRE TOUCH SCREEN INTERFACE, RATIOMETRIC CONVERSION, SINGLE SUPPLY:2V to 5V
ADS7845EG4 TI

类似代替

5-WIRE TOUCH SCREEN INTERFACE, RATIOMETRIC CONVERSION, SINGLE SUPPLY:2V to 5V

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