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AD7273BRMZ PDF预览

AD7273BRMZ

更新时间: 2024-02-13 11:55:41
品牌 Logo 应用领域
亚德诺 - ADI 转换器模数转换器光电二极管PC
页数 文件大小 规格书
29页 549K
描述
3 MSPS,10-/12-Bit ADCs in 8-Lead TSOT

AD7273BRMZ 技术参数

是否无铅: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, TSSOP8,.19针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.38
Is Samacsys:N最大模拟输入电压:3.6 V
最小模拟输入电压:最长转换时间:0.25 µs
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:S-PDSO-G8
JESD-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:125 °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
封装等效代码:TSSOP8,.19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
电源:2.5/3.3 V认证状态:Not Qualified
采样速率:3 MHz采样并保持/跟踪并保持:TRACK
座面最大高度:1.1 mm子类别:Analog to Digital Converters
标称供电电压:3 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
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:30
宽度:3 mmBase Number Matches:1

AD7273BRMZ 数据手册

 浏览型号AD7273BRMZ的Datasheet PDF文件第6页浏览型号AD7273BRMZ的Datasheet PDF文件第7页浏览型号AD7273BRMZ的Datasheet PDF文件第8页浏览型号AD7273BRMZ的Datasheet PDF文件第10页浏览型号AD7273BRMZ的Datasheet PDF文件第11页浏览型号AD7273BRMZ的Datasheet PDF文件第12页 
AD7273/AD7274  
Timing Example 2  
TIMING EXAMPLES  
The example in Figure 7 uses a 16 SCLK cycle, fSCLK = 48 MHz,  
and the throughput is 2.97 MSPS. This produces a cycle time  
of t2 + 12.5(1/fSCLK) + tACQ = 336 ns, where t2 = 6 ns min and  
For the AD7274, if  
rising edge after the two leading zeros and 12 bits of the  
conversion are provided, the part can achieve the fastest  
is brought high during the 14th SCLK  
CS  
t
ACQ = 70 ns. Figure 7 shows that tACQ comprises 2.5(1/fSCLK) +  
throughput rate, 3 MSPS. If  
is brought high during the 16th  
CS  
t8 + tQUIET, where t8 = 14 ns max. This satisfies the minimum  
requirement of 4 ns for tQUIET.  
SCLK rising edge after the two leading zeros, 12 bits of the  
conversion, and two trailing zeros are provided, a throughput  
rate of 2.97 MSPS is achievable. This is illustrated in the  
following two timing examples.  
Timing Example 1  
In Figure 6, using a 14 SCLK cycle, fSCLK = 48 MHz, and  
the throughput is 3 MSPS. This produces a cycle time of  
t2 + 12.5(1/fSCLK) + tACQ = 333 ns, where t2 = 6 ns min and  
t
ACQ = 67 ns. This satisfies the requirement of 60 ns for tACQ  
.
Figure 6 also shows that tACQ comprises 0.5(1/fSCLK) + t9 + tQUIET  
,
where t9 = 4.2 ns max. This allows a value of 52.8 ns for tQUIET  
,
satisfying the minimum requirement of 4 ns.  
t1  
CS  
tCONVERT  
t2  
t6  
B
SCLK  
1
2
3
4
5
13  
14  
t5  
15  
16  
t8  
t7  
t3  
tQUIET  
t4  
Z
ZERO  
DB11  
DB10  
DB9  
DB1  
DB0  
ZERO  
ZERO  
SDATA  
THREE-  
STATE  
THREE-STATE  
TWO LEADING  
ZEROS  
TWO TRAILING  
ZEROS  
1/THROUGHPUT  
Figure 5. AD7274 Serial Interface Timing 16 SCLK Cycle  
t1  
CS  
tCONVERT  
t2  
t6  
B
SCLK  
1
2
3
4
5
13  
t5  
14  
t9  
t7  
t3  
ZERO  
tQUIET  
t4  
Z
DB11  
DB10  
DB9  
DB1  
DB0  
SDATA  
THREE-  
STATE  
THREE-STATE  
TWO LEADING  
ZEROS  
1/THROUGHPUT  
Figure 6.AD7274 Serial Interface Timing 14 SCLK Cycle  
t1  
CS  
tCONVERT  
t2  
B
SCLK  
1
2
3
4
5
12  
13  
14  
15  
t8  
16  
tQUIET  
12.5(1/f  
SCLK  
)
tACQUISITION  
1/THROUGHPUT  
Figure 7. Serial Interface Timing 16 SCLK Cycle  
Rev. 0 | Page 8 of 28  
 
 
 

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