![](http://datasheet.mmic.net.cn/Exar-Corporation/XRD9818ACGTR_datasheet_102207/XRD9818ACGTR_6.png)
XRD9818
xr
3-CHANNEL 16-BIT LINEAR CCD/CIS SENSOR SIGNAL PROCESSOR
REV. 1.0.1
6
ELECTRICAL CHARACTERISTICS (CONTINUED) - XRD9818
AVDD=DVDD=3.3V, ADCLK=12MHZ, PGA GAIN=MIN, PIXEL RATE=4MHZ, TA=25C UNLESS OTHERWISE SPECIFIED
Parameter
Symbol
Min
Typ
Max
Unit
Conditions
OFFSET SPECIFICATIONS
Fine Offset Range Min
FOFR-
-255
-180
-120
mV
Fine Offset Range Max
FOFR+
+120
+180
+255
mV
Fine Offset Step
FOFRES
1.4
mV
8-bit (256 settings)
Fine Offset Range
Linearity
FOFRL
+/-1.5
%FS
Gross Offset Range Min
GOFR-
-260
-200
-150
Gross Offset Range Max
GOFR+
+75
+100
+135
Gross Offset Step
GOFRES
100
mV
2-bit (4 setting)
Parameter
Symbol
Min
Typ
Max
Unit
Conditions
PGA SPECIFICATIONS
Gain Range Min
GRMin
0.84
1
1.2
V/V
default Gain Select, GS=0
Gain Range Max
GRMax
4.5
5
6.20
V/V
default Gain Select, GS=0
Gain Resolution
GRES
-10.0
7.8
-
mV/lsb
default Gain Select ,GS=0
Gain Range Min
GRMin
1.3
1.5
1.7
V/V
Gain Select , GS=1
Gain Range Max
GRMax
6.65
7.5
8.90
V/V
Gain Select , GS=1
Gain Resolution
GRES
11.7
mV/lsb
Gain Select , GS=1
Parameter
Symbol
Min
Typ
Max
Unit
Conditions
DIGITAL INPUT SPECIFICATIONS
Valid Input Logic Low
Vil
0.5
V
Valid Input Logic High
Vih
2.60
V
Low Level Input Current
Iil
-5
0.1
5
A
High Level Input Current
Iih
10
65
150
A
w/internal 50K pull down R’s
Input Capacitance
CIN
10
pf