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AD9944KCPRL 数据表(PDF) 5 Page - Analog Devices

部件名 AD9944KCPRL
功能描述  Complete 10-Bit and 12-Bit, 25 MHz CCD Signal Processors
PDF  20 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD9944KCPRL 数据表(HTML) 5 Page - Analog Devices

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AD9943/AD9944
Rev. B | Page 5 of 20
AD9944 SYSTEM SPECIFICATIONS
TMIN to TMAX, AVDD = DVDD = DRVDD = 3 V, fSAMP = 25 MHz, unless otherwise noted.
Table 4.
Parameter
Min
Typ
Max
Unit
Conditions
CDS
Maximum Input Range before Saturation1
1.0
V p-p
Allowable CCD Reset Transient
1
500
mV
See input waveform in footnote.
Maximum CCD Black Pixel Amplitude
1
100
mV
VARIABLE GAIN AMPLIFIER (VGA)
Gain Control Resolution
1024
Steps
Gain Monotonicity
Guaranteed
Gain Range
Minimum Gain
5.3
dB
See Figure 13 for VGA gain curve.
Maximum Gain
40
41.5
dB
See Variable Gain Amplifier section for VGA
gain equation.
BLACK LEVEL CLAMP
Clamp Level Resolution
256
Steps
Clamp Level
Measured at ADC output.
Minimum Clamp Level
0
LSB
Maximum Clamp Level
255
LSB
A/D CONVERTER
Resolution
12
Bits
Differential Nonlinearity (DNL)
±0.4
LSB
No Missing Codes
Guaranteed
Data Output Coding
Straight binary
Full-Scale Input Voltage
2.0
V
VOLTAGE REFERENCE
Reference Top Voltage (REFT)
2.0
V
Reference Bottom Voltage (REFB)
1.0
V
SYSTEM PERFORMANCE
Specifications include entire signal chain.
Gain Range
Low Gain (VGA Code = 0)
5.3
dB
Maximum Gain (VGA Code = 1023)
40
41.5
dB
Gain Accuracy
±1
dB
Peak Nonlinearity 500 mV Input Signal
0.1
%
12 dB gain applied.
Total Output Noise
0.9
LSB rms
AC grounded input, 6 dB gain applied.
Power Supply Rejection (PSR)
50
dB
Measured with step change on supply.
1 Input signal characteristics defined as follows:
100mV TYP
OPTICAL BLACK PIXEL
500mV TYP
RESET TRANSIENT
1V TYP
INPUT SIGNAL RANGE



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