AD9927BBCZ データシートの表示（PDF） - Analog Devices
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AD9927BBCZ Datasheet PDF : 100 Pages
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AD9927
ANALOG SPECIFICATIONS
AVDD = 1.8 V, fCLI = 40 MHz, typical timing specifications, TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter
CDS1
Allowable CCD Reset Transient
CDS Gain Accuracy
−3.0 dB CDS Gain
0 dB CDS Gain
+3 dB CDS Gain
+6 dB CDS Gain
Maximum Input Range Before Saturation
−3 dB CDS Gain
0 dB CDS Gain
+3 dB CDS Gain
+6 dB CDS Gain
Allowable OB Pixel Amplitude1
0 dB CDS Gain (Default)
+6 dB CDS Gain
VARIABLE GAIN AMPLIFIER (VGA)
Gain Control Resolution
Gain Monotonicity
Gain Range
Low Gain (VGA Code 15, Default)
Maximum Gain (VGA Code 1023)
BLACK LEVEL CLAMP
Clamp Level Resolution
Clamp Level
Minimum Clamp Level (Code 0)
Maximum Clamp Level (Code 1023)
ADC
Resolution
Differential Nonlinearity (DNL)
No Missing Codes
Integral Nonlinearity (INL)
Full-Scale Input Voltage
VOLTAGE REFERENCE
Reference Top Voltage (REFT)
Reference Bottom Voltage (REFB)
SYSTEM PERFORMANCE
Gain Accuracy
Low Gain (VGA Code 15)
Maximum Gain (VGA Code 1023)
Peak Nonlinearity, 1.0 V Input Signal
Total Output Noise
Power Supply Rejection (PSR)
Min Typ Max Unit
Notes
0.5 1.2 V
−3.3 −2.8 −2.3 dB
−0.5 0
+0.5 dB
2.4 2.9 3.4 dB
5.0 5.5 6.0 dB
1.4
V p-p
1.0
V p-p
0.7
V p-p
0.5
V p-p
VGA gain = 6.3 dB (Code 15, default value)
VGA gain = 6.3 dB (Code 15, default value)
−100
−50
+200 mV
+100 mV
1024
Guaranteed
Steps
6.3
dB
42.4
dB
1024
0
255
Steps
LSB
LSB
Measured at ADC output
14
Bits
−1.0 ±0.5
LSB
Guaranteed
4
16
LSB
2.0
V
1.4
V
0.4
V
Includes entire signal chain
0 dB CDS gain
5.8 6.3 6.8 dB
Gain = (0.0358 × Code) + 5.76 dB
41.9 42.4 42.9 dB
0.1 0.3 %
6 dB VGA gain, 0 dB CDS gain applied
0.5
LSB rms AC-grounded input, 6 dB VGA gain applied
50
dB
Measured with step change on supply
1 Input signal characteristics defined as follows:
500mV TYP
RESET TRANSIENT
200mV MAX
OPTICAL BLACK PIXEL
INPUT
1V MAX
SIGNAL RANGE
(0dB CDS GAIN)
Rev. 0 | Page 5 of 100
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