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AD7417BR-REEL7 PDF预览

AD7417BR-REEL7

更新时间: 2024-01-05 20:03:45
品牌 Logo 应用领域
亚德诺 - ADI 转换器模数转换器传感器温度传感器光电二极管
页数 文件大小 规格书
20页 291K
描述
10-Bit Digital Temperature Sensor (AD7416) and Single/Four-Channel ADC (AD7417/AD7418)

AD7417BR-REEL7 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:16
Reach Compliance Code:unknown风险等级:5.66
最大模拟输入电压:2.625 V最小模拟输入电压:
最长转换时间:15 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:9.9 mm最大线性误差 (EL):0.0977%
湿度敏感等级:1模拟输入通道数量:4
位数:10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:2'S COMPLEMENT BINARY
输出格式:SERIAL封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):240
采样并保持/跟踪并保持:TRACK座面最大高度:1.75 mm
标称供电电压:3 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.9 mmBase Number Matches:1

AD7417BR-REEL7 数据手册

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AD7416/AD7417/AD7418  
THERMOSTAT  
FAN CONTROLLER  
Figure 15 shows the AD7416 used as a thermostat. The heater  
will be switched ON when the temperature falls below THYST  
and switched OFF again when the temperature rises above  
Figure 14 shows a simple fan controller that will switch ON a  
cooling fan when the temperature exceeds 80°C and switch it  
OFF again when the temperature falls below 75°C. The AD7416  
can be used standalone in this application or with a serial bus  
interface if different trip temperatures are required. If the AD7416  
is used with a bus interface, the sense of OTI can be set to active  
high, Q1 and R1 can be omitted, and OTI can be connected  
directly to the gate of Q2 with R2 as the pull-up resistor.  
T
OTI. For this application and for comparator mode, the OTI  
output should be programmed active low.  
V
DD  
3V TO  
5.5V  
HEATER  
12V  
D1  
1N4001  
R1  
10k⍀  
RELAY  
RLA1  
V
DD  
3V TO 5.5V  
Q1  
2N3904  
OR SIMILAR  
AD7416  
HEATER  
SUPPLY  
Q2  
R1  
10k  
R2  
10k⍀  
LOGIC LEVEL  
MOSFET RATED  
TO SUIT FAN  
CURRENT  
Q1  
AD7416  
2N3904  
OR SIMILAR  
Figure 15. AD7416 Used as a Thermostat  
SYSTEM WITH MULTIPLE AD7416S  
The three LSBs of the AD7416s serial address can be set by the  
user, allowing eight different addresses from 1001000 to 1001111.  
Figure 16 shows a system in which eight AD7416s are connected  
to a single serial bus, with their OTI outputs wire-ANDed  
together to form a common interrupt line. This arrangement  
does mean that each device must be read to determine which  
one has generated the interrupt, and if a unique interrupt is  
required for each device, the OTI outputs can be connected  
separately to the I/O chip.  
Figure 14. AD7416 Used as a Fan Controller  
V
DD  
3V TO 5.5V  
R1  
10k⍀  
Figure 16. Multiple Connection of AD7416s to a Single Serial Bus  
100ns  
100ns  
CONVST  
CONVST  
15s  
40s  
Figure 18. CONVST When VIN Channel(s) Selected  
Figure 17. CONVST When Temperature Channel Selected  
–16–  
REV. G  

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