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參數資料
| 型號： | AD9944 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Complete 10-Bit and 12-Bit, 25 MHz CCD Signal Processors |
| 中文描述： | 完整的10位和12位，25 MHz的CCD信號處理器 |
| 文件頁數： | 5/20頁 |
| 文件大小： | 485K |
| 代理商： | AD9944 |
AD9943/AD9944
AD9944 SYSTEM SPECIFICATIONS
T
MIN
to T
MAX
, AVDD = DVDD = DRVDD = 3 V, f
SAMP
= 25 MHz, unless otherwise noted.
Table 4.
Parameter
CDS
Maximum Input Range before Saturation
1
Allowable CCD Reset Transient
1
Maximum CCD Black Pixel Amplitude
1
VARIABLE GAIN AMPLIFIER (VGA)
Gain Control Resolution
Gain Monotonicity
Gain Range
Minimum Gain
Maximum Gain
Rev. B | Page 5 of 20
Min
40
Typ
1.0
500
100
1024
Guaranteed
5.3
41.5
Max
Unit
V p-p
mV
mV
Steps
dB
dB
Conditions
See input waveform in footnote.
See Figure 13 for VGA gain curve.
See Variable Gain Amplifier section for VGA
gain equation.
Measured at ADC output.
Specifications include entire signal chain.
12 dB gain applied.
AC grounded input, 6 dB gain applied.
Measured with step change on supply.
BLACK LEVEL CLAMP
Clamp Level Resolution
Clamp Level
Minimum Clamp Level
Maximum Clamp Level
A/D CONVERTER
Resolution
Differential Nonlinearity (DNL)
No Missing Codes
Data Output Coding
Full-Scale Input Voltage
VOLTAGE REFERENCE
Reference Top Voltage (REFT)
Reference Bottom Voltage (REFB)
SYSTEM PERFORMANCE
Gain Range
Low Gain (VGA Code = 0)
Maximum Gain (VGA Code = 1023)
Gain Accuracy
Peak Nonlinearity 500 mV Input Signal
Total Output Noise
Power Supply Rejection (PSR)
12
40
256
0
255
±0.4
Guaranteed
Straight binary
2.0
2.0
1.0
5.3
41.5
±1
0.1
0.9
50
Steps
LSB
LSB
Bits
LSB
V
V
V
dB
dB
dB
%
LSB rms
dB
1
Input signal characteristics defined as follows:
100mV TYP
OPTICAL BLACK PIXEL
500mV TYP
RESET TRANSIENT
1V TYP
INPUT SIGNAL RANGE
0
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| AD9944KCPZ | 功能描述:IC CCD SIGNAL PROCESSOR 32-LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關文件:Automotive Product Guide 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數字 輸出類型:數字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TSSOP 包裝:管件 |
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