參數(shù)資料
型號(hào)： AD9945KCPZRL7
廠商： ANALOG DEVICES INC
元件分類(lèi)： 消費(fèi)家電
英文描述： Complete 12-Bit 40 MHz CCD Signal Processor
中文描述： SPECIALTY CONSUMER CIRCUIT, QCC32
封裝： 5 X 5 MM, LEAD FREE, MO-220-VHHD-2, LFCSP-32
文件頁(yè)數(shù)： 4/16頁(yè)
文件大小： 180K
代理商： AD9945KCPZRL7
REV. A
–4–
AD9945
TIMING SPECIFICATIONS
Parameter
Symbol
Min
Typ
Max
Unit
SAMPLE CLOCKS
DATACLK, SHP, SHD Clock Period
DATACLK High/Low Pulse Width
SHP Pulse Width
SHD Pulse Width
CLPOB Pulse Width
*
SHP Rising Edge to SHD Falling Edge
SHP Rising Edge to SHD Rising Edge
Internal Clock Delay
t
CONV
t
ADC
t
SHP
t
SHD
t
COB
t
S1
t
S2
t
ID
25
10
ns
ns
ns
ns
Pixels
ns
ns
ns
12.5
6.25
6.25
20
6.25
12.5
3
2
11.25
DATA OUTPUTS
Output Delay
Pipeline Delay
t
OD
9.5
10
ns
Cycles
SERIAL INTERFACE
Maximum SCK Frequency
SL to SCK Setup Time
SCK to SL Hold Time
SDATA Valid to SCK Rising Edge Setup
SCK Falling Edge to SDATA Valid Hold
f
SCLK
t
LS
t
LH
t
DS
t
DH
10
10
10
10
10
MHz
ns
ns
ns
ns
*
Minimum CLPOB pulse width is for functional operation only. Wider typical pulses are recommended to achieve low noise clamp performance.
Specifications subject to change without notice.
(C
L
= 20 pF, f
SAMP
= 40 MHz, CCD Mode Timing in Figures 8 and 9, Serial Timing in Figures 4 and 5.)
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
AD9945 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.
ABSOLUTE MAXIMUM RATINGS
*
With
Respect
To
Parameter
Min
Max
Unit
AVDD
DVDD
DRVDD
Digital Outputs
SHP, SHD, DATACLK
CLPOB, PBLK
SCK, SL, SDATA
REFT, REFB, CCDIN
Junction Temperature
Lead Temperature
(10 sec)
AVSS
DVSS
DRVSS
DRVSS
DVSS
DVSS
DVSS
AVSS
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
+3.9
+3.9
+3.9
DRVDD + 0.3
DVDD + 0.3
DVDD + 0.3
DVDD + 0.3
AVDD + 0.3
150
300
V
V
V
V
V
V
V
V
°
C
°
C
*
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions outside of those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum ratings
for extended periods may affect device reliability.
ORDERING GUIDE
Temperature
Range
–20
°
C to +85
°
C LFCSP
–20
°
C to +85
°
C LFCSP
–20
°
C to +85
°
C LFCSP
–20
°
C to +85
°
C LFCSP
Package
Description
1
Option
Package
Model
AD9945KCP
AD9945KCPRL
AD9945KCPRL7
AD9945KCPZ
2
AD9945KCPZRL7
2
–20
°
C to +85
°
C LFCSP
CP-32
CP-32
CP-32
CP-32
CP-32
1
LFCSP = Lead Frame Chip Scale Package
2
Z = Pb-free part.
THERMAL CHARACTERISTICS
Thermal Resistance
32-Lead LFCSP Package
θ
JA
= 27.7
°
C/W
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