XRD6406 데이터 시트보기 (PDF) - Exar Corporation
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XRD6406 Datasheet PDF : 12 Pages
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XRD6406
Analog
Input
DNL LSB
Output
Codes
Code Width (N) = V(N+1) -- V(N)
LSB = [ VRT -- VRB ] / 1024
DNL(N) = [ V(N+1) -- V(N) ] -- LSB
V(N+1)
V(N)
N+1
N
N--1
Output
Codes
7
Real Transfer Line
6
5
INL
4
3
2
1
LSB
Best Fit Line
EFS
Ideal Transfer Line
EZS
Analog Input (Volt)
Figure 3. DNL Measurement
Figure 4. INL Error Calculation
+5V
0.1mF
10mF
10mF
Analog
Input
50W
C5
C4
C3
C2
C1
AVDD DVDD
VIN
DB9
DB8
VRTS
DB7
DB6
VRT
DB5
DB4
R3
XRD6406
R2
DB3
DB2
DB1
DB0
R1
VRB
OE
VRBS GND CLK
C1--C5 = 0.1mF
0.1mF
Digital
Outputs
Sample
Clock
Figure 5. Typical Circuit Connections
+5V
Analog
Input
V4
V3
V2
V1
50W
N/C
C4
C3
C2
C1
N/C
10mF
VINAVDD, DVDDDB9
VRTS
DB8
VRT
DB7
DB6
DB5
R3
DB4
XRD6406 DB3
R2
DB2
DB1
DB0
R1
OE
VRB
CLK
VRBS GND
C1--C4 = 0.1mF
V4 > V3 > V2 > V1 > GND
0.1mF
Digital
Outputs
Sample
Clock
Figure 6. Creating a Piece Wise Linear
Transfer Function
Rev. 1.00
6
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