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AD9927 Datasheet(PDF) 5 Page - Analog Devices

Part No. AD9927
Description  14-Bit CCD Signal Processor with V-Driver and Precision TimingTM Generator
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD9927 Datasheet(HTML) 5 Page - Analog Devices

 
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AD9927
Rev. 0 | Page 5 of 100
ANALOG SPECIFICATIONS
AVDD = 1.8 V, fCLI = 40 MHz, typical timing specifications, TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter
Min
Typ
Max
Unit
Notes
CDS1
Allowable CCD Reset Transient
0.5
1.2
V
CDS Gain Accuracy
VGA gain = 6.3 dB (Code 15, default value)
−3.0 dB CDS Gain
−3.3
−2.8
−2.3
dB
0 dB CDS Gain
−0.5
0
+0.5
dB
+3 dB CDS Gain
2.4
2.9
3.4
dB
+6 dB CDS Gain
5.0
5.5
6.0
dB
Maximum Input Range Before Saturation
VGA gain = 6.3 dB (Code 15, default value)
−3 dB CDS Gain
1.4
V p-p
0 dB CDS Gain
1.0
V p-p
+3 dB CDS Gain
0.7
V p-p
+6 dB CDS Gain
0.5
V p-p
Allowable OB Pixel Amplitude1
0 dB CDS Gain (Default)
−100
+200
mV
+6 dB CDS Gain
−50
+100
mV
VARIABLE GAIN AMPLIFIER (VGA)
Gain Control Resolution
1024
Steps
Gain Monotonicity
Guaranteed
Gain Range
Low Gain (VGA Code 15, Default)
6.3
dB
Maximum Gain (VGA Code 1023)
42.4
dB
BLACK LEVEL CLAMP
Clamp Level Resolution
1024
Steps
Clamp Level
Measured at ADC output
Minimum Clamp Level (Code 0)
0
LSB
Maximum Clamp Level (Code 1023)
255
LSB
ADC
Resolution
14
Bits
Differential Nonlinearity (DNL)
−1.0
±0.5
LSB
No Missing Codes
Guaranteed
Integral Nonlinearity (INL)
4
16
LSB
Full-Scale Input Voltage
2.0
V
VOLTAGE REFERENCE
Reference Top Voltage (REFT)
1.4
V
Reference Bottom Voltage (REFB)
0.4
V
SYSTEM PERFORMANCE
Includes entire signal chain
Gain Accuracy
0 dB CDS gain
Low Gain (VGA Code 15)
5.8
6.3
6.8
dB
Gain = (0.0358 × Code) + 5.76 dB
Maximum Gain (VGA Code 1023)
41.9
42.4
42.9
dB
Peak Nonlinearity, 1.0 V Input Signal
0.1
0.3
%
6 dB VGA gain, 0 dB CDS gain applied
Total Output Noise
0.5
LSB rms
AC-grounded input, 6 dB VGA gain applied
Power Supply Rejection (PSR)
50
dB
Measured with step change on supply
1 Input signal characteristics defined as follows:
200mV MAX
OPTICAL BLACK PIXEL
500mV TYP
RESET TRANSIENT
1V MAX
INPUT SIGNAL RANGE
(0dB CDS GAIN)


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