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ADS8322Y/2K 参数 Datasheet PDF下载

ADS8322Y/2K图片预览
型号: ADS8322Y/2K
PDF下载: 下载PDF文件 查看货源
内容描述: 16位, 500kHz的,微功耗采样模拟数字转换器 [16-Bit, 500kHz, MicroPower Sampling ANALOG-TO-DIGITAL CONVERTER]
分类和应用: 转换器
文件页数/大小: 10 页 / 204 K
品牌: BB [ BURR-BROWN CORPORATION ]
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ELECTRICAL CHARACTERISTICS: +VA = +5V  
At 40°C to +85°C, +VA = +5V, VREF = +2.5V, fSAMPLE = 500kHz, and fCLK = 20 fSAMPLE, unless otherwise specified.  
ADS8322Y  
ADS8322YB  
TYP  
PARAMETER  
RESOLUTION  
CONDITIONS  
MIN  
TYP  
MAX  
MIN  
MAX  
UNITS  
16  
Bits  
ANALOG INPUT  
Full-Scale Input Span(1)  
+IN (IN)  
+IN  
0
+2VREF  
VA + 0.1  
+0.5  
V
V
Absolute Input Range  
0.1  
0.1  
IN  
V
Capacitance  
25  
pF  
nA  
Leakage Current  
±1  
SYSTEM PERFORMANCE  
No Missing Codes  
Integral Linearity Error  
Offset Error  
14  
15  
Bits  
LSBs(2)  
mV  
±4  
±8  
±2  
±3  
±6  
±1  
±1.0  
±0.5  
Gain Error(3)  
±0.25  
70  
±0.50  
±0.12  
±0.25  
% of FSR  
dB  
Common-Mode Rejection Ratio  
Noise  
Power Supply Rejection Ratio  
At DC  
60  
±3  
µVrms  
LSBs  
At FFFFH Output Code  
SAMPLING DYNAMICS  
Conversion Time  
1.6  
0.4  
500  
µs  
µs  
Acquisition Time  
Throughput Rate  
Aperture Delay  
Aperture Jitter  
Small-Signal Bandwidth  
Step Response  
kHz  
ns  
ps  
MHz  
ns  
50  
30  
20  
100  
DYNAMIC CHARACTERISTICS  
Total Harmonic Distortion(4)  
VIN = 5Vp-p at 100kHz  
VIN = 5Vp-p at 100kHz  
VIN = 5Vp-p at 100kHz  
90  
81  
93  
83  
dB  
dB  
dB  
SINAD  
Spurious Free Dynamic Range  
94  
96  
REFERENCE OUTPUT  
Voltage  
Source Current  
Drift  
IOUT = 0  
Static Load  
IOUT = 0  
2.475  
1.5  
2.50  
2.525  
10  
2.48  
2.52  
V
µA  
pp[/°C  
mV  
20  
0.6  
Line Regulation  
4.75V VCC 5.25V  
REFERENCE INPUT  
Range  
Resistance(5)  
2.55  
V
kΩ  
to Internal Reference Voltage  
10  
DIGITAL INPUT/OUTPUT  
Logic Family  
Logic Levels:  
VIH  
CMOS  
IIH +5µA  
IIL +5µA  
3.0  
0.3  
4.0  
+VA  
0.8  
V
V
V
V
VIL  
VOH  
IOH = 2 TTL Loads  
IOL = 2 TTL Loads  
VOL  
0.4  
Data Format  
Straight Binary  
CMOS  
POWER-SUPPLY REQUIREMENT  
Logic Family  
+VA  
4.75  
4.75  
5
5
5.25  
5.25  
25  
V
V
+VD  
Supply Current  
Power Dissipation  
fSAMPLE = 500kHz  
fSAMPLE = 500kHz  
17  
85  
mA  
mW  
125  
TEMPERATURE RANGE  
Specified Performance  
40  
+85  
°C  
Specifications same as ADS8322Y.  
NOTES: (1) Ideal input span; does not include gain or offset error. (2) LSB means Least Significant Bit, with VREF equal to +2.5V; 1LSB = 76µV. (3) Measured relative  
to an ideal, full-scale input (+In (In)) of 4.9999V. Thus, gain error includes the error of the internal voltage reference. (4) Calculated on the first nine harmonics  
of the input frequency. (5) Can vary ±30%.  
ADS8322  
SBAS215  
3