參數(shù)資料
型號: AD9891
廠商: Analog Devices, Inc.
英文描述: CCD Signal Processors 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): 5/59頁
文件大?。?/td> 599K
代理商: AD9891
REV. A
AD9891/AD9895
–5–
AD9895–ANALOG SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Notes
CDS
Gain
Allowable CCD Reset Transient
Max Input Range before Saturation
Max CCD Black Pixel Amplitude
0
500
dB
mV
V p-p
mV
Input signal characteristics
*
1.0
±
200
PIXEL GAIN AMPLIFIER (
PxGA
)
Max Input Range
Max Output Range
Gain Control Resolution
Gain Monotonicity
Gain Range
Min Gain (
PxGA
Code 32)
Med Gain (
PxGA
Code 0)
Max Gain (
PxGA
Code 31)
1.0
1.6
V p-p
V p-p
Steps
64
Guaranteed
2.5
+3.5
+9.5
dB
dB
dB
Default setting
VARIABLE GAIN AMPLIFIER (VGA)
Max Input Range
Max Output Range
Gain Control Resolution
Gain Monotonicity
Gain Range
Low Gain (VGA Code 70)
Max Gain (VGA Code 1023)
1.6
2.0
V p-p
V p-p
Steps
1024
Guaranteed
2
36
dB
dB
BLACK LEVEL CLAMP
Clamp Level Resolution
Clamp Level
Min Clamp Level
Max Clamp Level
256
Steps
Measured at ADC output
0
255
LSB
LSB
A/D CONVERTER
Resolution
Differential Nonlinearity (DNL)
No Missing Codes
Full-Scale Input Voltage
12
Bits
LSB
±
0.5
±
1.0
Guaranteed
2.0
V
VOLTAGE REFERENCE
Reference Top Voltage (VRT)
Reference Bottom Voltage (VRB)
2.0
1.0
V
V
SYSTEM PERFORMANCE
Gain Accuracy
Low Gain (VGA Code 70)
Max Gain (VGA Code 1023)
Peak Nonlinearity, 500 mV Input Signal
Total Output Noise
Power Supply Rejection (PSR)
Includes entire signal chain
Includes 4 dB default
PxGA
gain
Gain = (0.035 Code) + 3.55 dB
5
38.5
6
39.5
0.2
0.8
40
7
40.5
dB
dB
%
LSB rms
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
200mV MAX
OPTICAL
BLACK PIXEL
500mV TYP
RESET
TRANSIENT
Specifications subject to change without notice.
(AVDD1, AVDD2 = 3.0 V, f
CLI
= 30 MHz, T
MIN
to T
MAX
, unless otherwise noted.)
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