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ADS7817 参数 Datasheet PDF下载

ADS7817图片预览
型号: ADS7817
PDF下载: 下载PDF文件 查看货源
内容描述: 12位差分输入微功耗采样模拟数字转换器 [12-Bit Differential Input Micro Power Sampling ANALOG-TO-DIGITAL CONVERTER]
分类和应用: 转换器
文件页数/大小: 15 页 / 174 K
品牌: BB [ BURR-BROWN CORPORATION ]
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TYPICAL PERFORMANCE CURVES (Cont.)  
At TA = +25°C, VCC = +5V, VREF = +2.5V, fSAMPLE = 200kHz, and fCLK = 16 • fSAMPLE, –In = +2.5V, unless otherwise specified.  
DIFFERENTIAL LINEARITY ERROR vs CODE  
INTEGRAL LINEARITY ERROR vs CODE  
1.00  
0.75  
1.00  
0.75  
0.50  
0.50  
0.25  
0.25  
0.00  
0.00  
–0.25  
–0.50  
–0.75  
–1.00  
–0.25  
–0.50  
–0.75  
–1.00  
800  
000  
7FF  
800  
000  
7FF  
Hex BTC Code  
Hex BTC Code  
CHANGE IN INTEGRAL LINEARITY AND DIFFERENTIAL  
LINEARITY vs REFERENCE VOLTAGE  
INPUT LEAKAGE CURRENT vs TEMPERATURE  
0.10  
0.05  
10  
1
Change in Differential  
Linearity (LSB)  
0.00  
–0.05  
–0.10  
–0.15  
–0.20  
0.1  
0.01  
Change in Integral  
Linearity (LSB)  
1
1.25  
1.5  
1.75  
2.0  
2.25  
2.5  
–50  
–25  
0
25  
50  
75  
100  
Reference Voltage (V)  
Temperature (°C)  
POWER DOWN SUPPLY CURRENT  
vs TEMPERATURE  
SUPPLY CURRENT vs TEMPERATURE  
600  
550  
500  
450  
400  
350  
300  
3
2.5  
2
1.5  
1
0.5  
0
–50  
–25  
0
25  
50  
75  
100  
–50  
–25  
0
25  
50  
75  
100  
Temperature (°C)  
Temperature (°C)  
®
ADS7817  
6