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VSP2000 Datasheet

  • VSP2000

  • CCD SIGNAL PROCESSOR FOR DIGITAL CAMERAS

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VSP2
VSP2000
000
CCD SIGNAL PROCESSOR
FOR DIGITAL CAMERAS
TM
FEATURES
q
CCD SIGNAL PROCESSING
Correlated Double Sampling
Black Level Clamping
0 to +34dB Gain Ranging
High SNR: 53dB
q
10-BIT A/D CONVERSION
Up to 18MHz Conversion Rate
No Missing Codes
q
PORTABLE OPERATION
Low Voltage: Down to 2.7V
Low Power: 150mW at 2.7V
DESCRIPTION
The VSP2000 is a complete digital camera IC, provid-
ing signal conditioning and 10-bit analog-to-digital
conversion for the output of a CCD array. The primary
CCD channel provides correlated double sampling to
extract the video information from the pixels, 0dB to
+34dB gain range with analog control for varying
illumination conditions, and black level clamping for
an accurate black reference. The stable gain control is
linear in dB. Additionally, the black level is quickly
recovered after gain changes. The VSP2000 is avail-
able in a 48-lead LQFP package and operates from a
single +3V supply.
APPLICATIONS
q
VIDEO CAMERAS
q
DIGITAL STILL CAMERAS
q
PC CAMERAS
q
SECURITY CAMERAS
REFCK DATCK
AGC1 AGC2
C
OB
ADCK
Black
Level
Auto-Zero
CCD D
T/H
+28dB
Clamp
T/H
T/H
+6dB
VCA
A/D
Timing
Control
10-Bit
18MHz
A/D
Output
Latch
10-Bit
Digital
Output
CCD R
Dummy
Pixel
Auto-Zero
REF
DUMC
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111 鈥?Twx: 910-952-1111
Internet: http://www.burr-brown.com/ 鈥?FAXLine: (800) 548-6133 (US/Canada Only) 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
1997 Burr-Brown Corporation
1
PDS-1432A
Printed in U.S.A.
VSP2000
April, 1998

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