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AD7910AKSZ-REEL

更新时间: 2024-01-23 05:22:41
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
24页 493K
描述
250 kSPS, 10-/12-Bit ADCs in 6-Lead SC70

AD7910AKSZ-REEL 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:TSSOP
包装说明:TSSOP,针数:8
Reach Compliance Code:unknown风险等级:5.34
最大模拟输入电压:5.25 V最小模拟输入电压:
最长转换时间:2.8 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:S-PDSO-G8JESD-609代码:e3
长度:3 mm最大线性误差 (EL):0.0488%
湿度敏感等级:1模拟输入通道数量:1
位数:10功能数量:1
端子数量:8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:TSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
采样速率:0.25 MHz采样并保持/跟踪并保持:TRACK
座面最大高度:1.1 mm标称供电电压:3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

AD7910AKSZ-REEL 数据手册

 浏览型号AD7910AKSZ-REEL的Datasheet PDF文件第4页浏览型号AD7910AKSZ-REEL的Datasheet PDF文件第5页浏览型号AD7910AKSZ-REEL的Datasheet PDF文件第6页浏览型号AD7910AKSZ-REEL的Datasheet PDF文件第8页浏览型号AD7910AKSZ-REEL的Datasheet PDF文件第9页浏览型号AD7910AKSZ-REEL的Datasheet PDF文件第10页 
AD7910/AD7920  
TIMING EXAMPLES  
Figure 3 and Figure 4 show some of the timing parameters from  
Table 3.  
TIMING EXAMPLE 2  
The AD7920 can also operate with slower clock frequencies.  
From Figure 4, having fSCLK = 3.4 MHz and a throughput rate of  
150 kSPS gives a cycle time of t2 + 12.5(1/fSCLK) + tACQ = 6.66 μs.  
With t2 = 10 ns min, this leaves tACQ to be 2.97 μs. This 2.97 μs  
satisfies the requirement of 250 ns for tACQ. From Figure 4, tACQ  
comprises 2.5(1/fSCLK) + t8 + tQUIET, t8 = 36 ns max. This allows a  
value of 2.19 μs for tQUIET, satisfying the minimum requirement  
of 50 ns. As in this example and with other slower clock values,  
the signal may already be acquired before the conversion is  
complete, but it is still necessary to leave 50 ns minimum tQUIET  
between conversions. In this example, the signal should be fully  
acquired at approximately Point C in Figure 4.  
TIMING EXAMPLE 1  
From Figure 4, having fSCLK = 5 MHz and a throughput rate of  
250 kSPS gives a cycle time of t2 + 12.5(1/fSCLK) + tACQ = 4 μs.  
With t2 = 10 ns min, this leaves tACQ to be 1.49 μs. This 1.49 μs  
satisfies the requirement of 250 ns for tACQ. From Figure 4, tACQ  
comprises 2.5(1/fSCLK) + t8 + tQUIET, where t8 = 36 ns max. This  
allows a value of 954 ns for tQUIET, satisfying the minimum  
requirement of 50 ns.  
t1  
CS  
tCONVERT  
t2  
t6  
B
SCLK  
1
2
3
4
5
13  
14  
t5  
15  
16  
t8  
t3  
t4  
t7  
tQUIET  
SDATA  
Z
ZERO  
ZERO  
ZERO  
DB11  
DB10  
DB2  
DB1  
DB0  
THREE-  
STATE  
THREE-STATE  
4 LEADING ZEROS  
Figure 3. AD7920 Serial Interface Timing Diagram  
CS  
tCONVERT  
t2  
B
C
SCLK  
1
2
3
4
5
13  
14  
15  
16  
t8  
tQUIET  
tACQ  
12.5(1/f  
)
SCLK  
1/THROUGHPUT  
Figure 4. Serial Interface Timing Example  
Rev. C | Page 7 of 24  
 
 
 

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