參數(shù)資料
型號: AD9898
廠商: Analog Devices, Inc.
英文描述: CCD Signal Processor with Precision Timing⑩ Generator
中文描述: CCD信號處理器精確定時⑩發(fā)生器
文件頁數(shù): 4/52頁
文件大?。?/td> 557K
代理商: AD9898
REV. 0
–4–
AD9898
ANALOG SPECIFICATIONS
(AVDD = 3.0 V, f
CLI
= 20 MHz, T
MIN
to T
MAX
, unless otherwise noted.)
Parameter
Min
Typ
Max
Unit
Comments
CDS
Allowable CCD Reset Transient
Maximum Input Range before Saturation
*
1.0
Maximum CCD Black Pixel Amplitude
500
mV
V p-p
mV
Input Signal Characteristics
±
100
VARIABLE GAIN AMPLIFIER (VGA)
Maximum Output Range
Gain Control Resolution
Gain Monotonicity
Gain Range
Low Gain
Maximum Gain
2.0
V p-p
Steps
1024
Guaranteed
6
40
dB
dB
BLACK LEVEL CLAMP
Clamp Level Resolution
Clamp Level
Minimum Clamp Level
Maximum Clamp Level
64
Steps
LSB
LSB
LSB
LSB is measured at ADC output.
0
63
A/D CONVERTER
Resolution
Differential Nonlinearity (DNL)
No Missing Codes
Full-Scale Input Voltage
10
Bits
LSB
±
0.5
Guaranteed
2.0
V
VOLTAGE REFERENCE
Reference Top Voltage (REFT)
Reference Bottom Voltage (REFB)
2.0
1.0
V
V
SYSTEM PERFORMANCE
Gain Accuracy
Low Gain (VGA Code = 20)
Maximum Gain (VGA Code = 991)
Peak Nonlinearity, 500 mV Input Signal
Total Output Noise
Power Supply Rejection (PSR)
Includes entire signal chain
5
39
6
40
0.1
0.3
40
7
41
dB
dB
%
LSB rms
dB
Gain = (0.035
×
Code
) +
5.3 dB
12 dB gain applied
AC grounded input, 6 dB gain applied
Measured with step change on supply
*
Input signal characteristics defined as follows:
1V MAX
INPUT
SIGNAL RANGE
100mV MAX
OPTICAL
BLACK PIXEL
500mV TYP
RESET
TRANSIENT
Specifications subject to change without notice.
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