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ADS7845

ADS7845 5-wire Touch Screen Controller

器件类别:半导体    模拟混合信号IC   

厂商名称:Texas Instruments(德州仪器)

厂商官网:http://www.ti.com.cn/

器件标准:

敬请期待
器件参数
参数名称
属性值
SAR sample rate(Max)(kSPS)
125
SAR ADC resolution(Bits)
12
Supply voltage (analog)(Max)
5.25
Rating
Catalog
Control interface
SPI
Package Group
SSOP|16
Operating temperature range(C)
-40 to 85
Touch panel
5-Wire
Approx. price(US$)
4.20 | 1ku
Supply voltage (I/O VDD)(Min)
2.7
Vref (int/ext)
Ext
Input type
Differential,Single-Ended
Supply voltage (I/O VDD)(Max)
5.5
Supply voltage (analog)(Min)
2.7
参数对比
与ADS7845相近的元器件有:ADS7845E/2K5、ADS7845EG4、ADS7845E/2K5G4、ADS7845E。描述及对比如下:
型号 ADS7845 ADS7845E/2K5 ADS7845EG4 ADS7845E/2K5G4 ADS7845E
描述 ADS7845 5-wire Touch Screen Controller 5-wire Touch Screen Controller 16-SSOP -40 to 85 5-wire Touch Screen Controller 16-SSOP -40 to 85 5-wire Touch Screen Controller 16-SSOP -40 to 85 触摸屏:5 线电阻式 电压基准:外部基准 分辨率(位):12 b 接口类型:Serial 5 引线触摸屏控制器
Brand Name - Texas Instruments Texas Instruments Texas Instruments Texas Instruments
是否Rohs认证 - 符合 符合 符合 符合
厂商名称 - Texas Instruments(德州仪器) Texas Instruments(德州仪器) - Texas Instruments(德州仪器)
零件包装代码 - SSOP SOIC SOIC SSOP
包装说明 - SSOP, SSOP, SSOP, SSOP,
针数 - 16 16 16 16
Reach Compliance Code - compliant compliant compliant compliant
ECCN代码 - EAR99 EAR99 EAR99 EAR99
最大模拟输入电压 - 2.5 V 2.5 V 2.5 V 2.5 V
最长转换时间 - 6 µs 6 µs 6 µs 6 µs
转换器类型 - ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码 - R-PDSO-G16 R-PDSO-G16 R-PDSO-G16 R-PDSO-G16
JESD-609代码 - e4 e4 e4 e4
长度 - 4.9 mm 4.9 mm 4.9 mm 4.9 mm
最大线性误差 (EL) - 0.0488% 0.0488% 0.0488% 0.0488%
湿度敏感等级 - 2 2 2 2
模拟输入通道数量 - 1 1 1 1
位数 - 12 12 12 12
功能数量 - 1 1 1 1
端子数量 - 16 16 16 16
最高工作温度 - 85 °C 85 °C 85 °C 85 °C
最低工作温度 - -40 °C -40 °C -40 °C -40 °C
输出位码 - BINARY BINARY BINARY BINARY
输出格式 - SERIAL SERIAL SERIAL SERIAL
封装主体材料 - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 - SSOP SSOP SSOP SSOP
封装形状 - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 - SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度) - 260 260 260 260
认证状态 - Not Qualified Not Qualified Not Qualified Not Qualified
采样速率 - 0.125 MHz 0.125 MHz 0.125 MHz 0.125 MHz
采样并保持/跟踪并保持 - SAMPLE SAMPLE SAMPLE SAMPLE
座面最大高度 - 1.75 mm 1.75 mm 1.75 mm 1.75 mm
标称供电电压 - 2.7 V 2.7 V 2.7 V 2.7 V
表面贴装 - YES YES YES YES
技术 - CMOS CMOS CMOS CMOS
温度等级 - INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
端子面层 - Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式 - GULL WING GULL WING GULL WING GULL WING
端子节距 - 0.64 mm 0.635 mm 0.635 mm 0.64 mm
端子位置 - DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
宽度 - 3.9 mm 3.9 mm 3.9 mm 3.9 mm
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