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參數(shù)資料
型號(hào)： AD9948KCPZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 23/28頁(yè)
文件大?。?/td> 0K
描述： IC CCD SIGNAL PROCESSOR 40-LFCSP
標(biāo)準(zhǔn)包裝： 1
類型： CCD 信號(hào)處理器，10 位
輸入類型： 邏輯
輸出類型： 邏輯
接口： 3 線串口
安裝類型： 表面貼裝
封裝/外殼： 40-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 40-LFCSP
包裝： 托盤
REV. 0
–4–
AD9948
TIMING SPECIFICATIONS
Parameter
Symbol
Min
Typ
Max
Unit
MASTER CLOCK (CLI) (See Figure 4)
CLI Clock Period
tCLI
40
ns
CLI High/Low Pulsewidth
tADC
16
20
24
ns
Delay from CLI to Internal Pixel
Period Position
tCLIDLY
6ns
CLPOB Pulsewidth (Programmable)
*
tCOB
220
Pixels
SAMPLE CLOCKS (See Figure 6)
SHP Rising Edge to SHD Rising Edge
tS1
17
20
ns
DATA OUTPUTS (See Figures 7a and 7b)
Output Delay From Programmed Edge
tOD
6ns
Pipeline Delay
11
Cycles
SERIAL INTERFACE
Maximum SCK Frequency
fSCLK
10
MHz
SL to SCK Setup Time
tLS
10
ns
SCK to SL Hold Time
tLH
10
ns
SDATA Valid to SCK Rising Edge Setup
tDS
10
ns
SCK Falling Edge to SDATA Valid Hold
tDH
10
ns
SCK Falling Edge to SDATA Valid Read
tDV
10
ns
*Minimum CLPOB pulsewidth is for functional operation only. Wider typical pulses are recommended to achieve low noise clamp reference.
Specifications subject to change without notice.
(CL = 20 pF, fCLI = 25 MHz, Serial Timing in Figure 3, unless otherwise noted.)
ABSOLUTE MAXIMUM RATINGS
*
With
Parameter
Respect To
Min
Max
Unit
AVDD, TCVDD
AVSS
–0.3
+3.9
V
HVDD, RGVDD
HVSS, RGVSS
–0.3
+3.9
V
DVDD, DRVDD
DVSS, DRVSS
–0.3
+3.9
V
Any VSS
–0.3
+0.3
V
Digital Outputs
DRVSS
–0.3
DRVDD + 0.3
V
CLPOB/PBLK, HBLK
DVSS
–0.3
DVDD + 0.3
V
SCK, SL, SDATA
DVSS
–0.3
DVDD + 0.3
V
RG
RGVSS
–0.3
RGVDD + 0.3
V
H1–H4
HVSS
–0.3
HVDD + 0.3
V
REFT, REFB, CCDIN
AVSS
–0.3
AVDD + 0.3
V
Junction Temperature
150
°C
Lead Temperature (10 sec)
300
°C
*Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any other conditions above those listed in the operational sections
of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD9948 features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
ORDERING GUIDE
Temperature
Package
Model
Range
Description
Option
AD9948KCP
–20
°C to +85°C
LFCSP
CP-40
AD9948KCPRL
–20
°C to +85°C
LFCSP
CP-40
AD9948KCPZ
*
–20
°C to +85°C
LFCSP
CP-40
AD9948KCPZRL
* –20
°C to +85°C
LFCSP
CP-40
*This is a lead free product.
THERMAL CHARACTERISTICS
Thermal Resistance
40-Lead LFCSP Package
JA = 27
°C/W*
* JA is measured using a 4-layer PCB with the exposed paddle
soldered to the board.
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