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Revision 1.41
10 - 16
AS1751/AS1752/AS1753
Data Sheet - Ap p lica tio n In fo r m a tio n
Timing Diagrams and Test Setups
Figure 13. AS1751
/AS1753 Test Circuit and Timing Diagram
Figure 14. AS1752
/AS1753 Test Circuit and Timing Diagram
Figure 15. AS1753 Test Circuit and Timing Diagram
Figure 16. Charge Injection
AS1751/
AS1753
COMx
NOx
35pF
50
Ω
VCOMx
INx
VNOx
50
Ω
V+
GND
VCOMx
INx
0
VNOx
VIH + 0.5V
tON
tOFF
tR < 5ns
tF < 5ns
50%
90%
AS1752/
AS1753
COMx
NCx
35pF
50
Ω
VCOMx
INx
VNCx
50
Ω
V+
VCOMx
INx
0
VNCx
VIH + 0.5V
tOFF
tON
50%
90%
GND
tR < 5ns
tF < 5ns
AS1753
COM2
NO1
35pF
50
Ω
VCOMx
NC2
INx
VS
50
Ω
V+
VCOMx
INx
0
VS
VIH + 0.5V
tBBM
90%
tBBM
90%
tBBM = tON(NOx) - tOFF(NCx)
or tBBM = tON(NCx) - tOFF(NOx)
GND
tR < 5ns
tF < 5ns
COM1
AS175x
COMx
NCx
or
NOx
CLOAD
1000pF
VOUT
INx
VGEN
50
Ω
V+
VIN
0
V+
ΔVOUT
VOUT
AS1751
AS1752
ΔVOUT is the measured voltage due to charge transfer error Q
when the channel turns off.
Q =
ΔVOUT x CLOAD
GND
RGEN
VIN
ams
AG
Technical
content
still
valid