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參數資料
| 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的攝像機信號處理器 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 490K |
| 代理商： | LM98501 |
LM98501
10-Bit, 27 MSPS Camera Signal Processor
General Description
The LM98501 is a CCD signal processor for electronic cam-
eras. The processor provides a common interface to a num-
ber of different image sensors including CCD, CMOS, and
CIS. Correlated double sampling reduces kTC noise from
the image signal. A fast, temperature stable, 8-bit digitally
programmable
gain
amplifier
white-balancing. An auxiliary input is provided, allowing for
the selection of an external signal, useful for electronic titling
and video overlay. The 10-bit A/D converter preserves the
image quality with excellent noise performance. The
LM98501 also includes the supporting functions of digital
black level clamp and power down, ideally suited for portable
video applications. This low-power processor is a natural
choice for the most demanding imaging systems.
enables
pixel-rate
Applications
n
Digital still camera
n
Digital video camcorder
n
Video conferencing
n
Security camera
n
Plain paper copier
n
Flatbed or handheld color scanner
n
Video processing for x-ray or infrared
n
Barcode scanner
Features
n
+3V single power supply
n
Low power CMOS design
n
4-wire serial interface
n
2.5V data output voltage swing
n
No missing codes
n
AUX input with input clamp and programmable gain
n
Four color gain and offset registers
n
Digital black level clamp
n
Small 48-lead LQFP package
Key Specifications
j
Maximum Input Level
j
CDS Sampling Rate
j
PGA Gain Steps
j
PGA Gain Range
j
ADC Resolution
j
ADC Sampling Rate
j
*Signal-to-Noise Ratio
j
Power Dissipation
AV+ = DV+ = DV+ I/O = 3.0V
j
Operating Temperature
*
20 log
10
(V
IN
/RMS Output Noise)
1.0V peak-peak
27 MSPS
256 Steps
0.0 dB-32.0 dB
10-Bit
27 MSPS
60 dB 0 dB Gain, 1.0V Input
195 mW (typical)
0C to 70C
Typical Digital Camera Block Diagram
DS101292-1
February 2000
L
2000 National Semiconductor Corporation
DS101292
www.national.com
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|---|---|
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| LMC555CN | CMOS Timer |
| LMC555 | CMOS Timer |
| LMC555CM | CMOS Timer |
| LMC555CMM | CMOS Timer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| LM98501VBH WAF | 制造商:Texas Instruments 功能描述: |
| LM98502A WAF | 制造商:Texas Instruments 功能描述: |
| 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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