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參數(shù)資料
| 型號： | LM98501 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 10-Bit, 27 MSPS Camera Signal Processor |
| 中文描述： | 10位，27 MSPS的攝像機(jī)信號處理器 |
| 文件頁數(shù)： | 8/24頁 |
| 文件大?。?/td> | 490K |
| 代理商： | LM98501 |
AC Electrical Characteristics
The following specifications apply for DV+ = AV+ = DV + I/O = +3.0V, C
= 10 pF, and f
CLK
= 27 MHz unless otherwise noted.
Boldface limits apply for T
A
= T
MIN
to T
MAX
:
all other limits T
A
= 25C (Note 7).
Symbol
Parameter
Conditions
Min
(Note 9)
1
33
15
15
Typical
(Note 8)
27
37
Max
(Note 9)
30
1000
Units
f
CLK
T
CLK
t
ch
t
cl
Input Clock Frequency
Input Clock Period
Clock High Time
Clock Low Time
Clock Duty Cycle
Clock Input Rise and Fall Time
Pipeline Delay (Latency)
Data Valid Time
Output Data Hold Time
Output Delay Time
MHz
ns
ns
ns
min/max
ns
T
CLK
ns
ns
ns
@
CLK
max
@
CLK
max
@
CLK
max
45/55
5
7
27
13
20
t
rc
, t
fc
t
VALID
t
OH
t
OD
9
19
26
14
Full Channel Performance Specifications
The following specifications apply for DV+ = AV+ = DV + I/O = +3.0V, C
= 10 pF, and f
CLK
= 27 MHz unless otherwise
noted.
Boldface limits apply for T
A
= T
MIN
to T
MAX
:
all other limits T
A
= 25C (Note 7).
Symbol
Parameter
Conditions
Min
(Note 9)
1.0
Typical
(Note 8)
±
0.5
+3.0/1.5
60
61
7.5
7.6
51
60
Max
(Note 9)
1.5
Units
DNL
INL
*
SNR
Differential Non-Linearity
Integral Non-Linearity
0 dB Gain, 1.0V Input
LSB
LSB
dB
dB
Bits
Bits
dB
dB
@
f
CLK
= 27 MHz
@
f
CLK
= 20 MHz
@
f
CLK
= 27 MHz
@
f
CLK
= 20 MHz
@
f
CLK
= 27 MHz
@
f
CLK
= 20 MHz
ENOB
Effective Number of Bits
THD
Total Harmonic Distortion
*
20 log
10
(V
IN
/RMS Output Noise)
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed speci-
fications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions.
Note 2:
All voltages are measured with respect to GND = AGND = DGND = 0V, unless otherwise specified.
Note 3:
When the voltage at any pin exceeds the power supplies (V
IN
<
GND or V
IN
>
AV+ or DV+), the current at that pin should be limited to 25 mA. The 50 mA
maximum package input current rating limits the number of pins that can safely exceed the power supplies with in input current of 25 mA to two.
Note 4:
The absolute maximum junction temperature (T
JMAX
) for this device is 150C. The maximum allowable power dissipation is dictated by T
JMAX
, the
junction-to-ambient thermal resistance (
*
J
), and the ambient temperature (T
), and can be calculated using the formula P
= (T
– T
)/
*
J
. In the 48-pin
LQFP,
*
J
A
is 69C/W, so P
DMAX
= 1,811 mW at 25C and 1,159 mW at the maximum operating ambient temperature of 70C. Note that the power dissipation of this
device under normal operation will typically be about 180 mW. The values for maximum power dissipation listed above will be reached only when the LM98501 is
operated in a severe fault condition.
Note 5:
Human body model is 100 pF capacitor discharged through a 1.5 k
resistor. Machine model is 220 pF discharged through 0
.
Note 6:
See AN450, “Surface Mounting Methods and Their Effect on Product Reliability”, or the section entitled “Surface Mount” found in any post 1986 National
Semiconductor Linear Data Book, for other methods of soldering surface mount devices.
Note 7:
The analog inputs are protected as shown below. Input voltage magnitude up to 500 mV beyond the supply rails will not damage this device. However, input
errors will be generated if the input goes above AV+ and below AGND.
Note 8:
Typical figures are at T
J
= 25C, and represent most likely parametric norms.
Note 9:
Test limits are guaranteed to National’s AOQL (Averaging Outgoing Quality Level).
DS101292-18
L
www.national.com
8
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相關(guān)代理商/技術(shù)參數(shù) |
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| LM98501A WAF | 制造商:Texas Instruments 功能描述: |
| LM98501CCVBH | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:10-Bit, 27 MSPS Camera Signal Processor |
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| LM98503 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:10-Bit, 18 MSPS Camera Signal Processor |
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