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VSP3000Y Datasheet

  • VSP3000Y

  • 12-Bit, 6MHz CCD/CIS SIGNAL PROCESSOR

  • 13頁

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廬
VSP3
000
VSP3000
12-Bit, 6MHz
CCD/CIS SIGNAL PROCESSOR
TM
FEATURES
q
12-BIT, 6MHZ A/D CONVERTER
q
GUARANTEED NO MISSING CODES
q
3 CHANNEL, 2MHz COLOR SCAN MODE:
Correlated Double Samplers
8-Bit Offset Adjustment DACs
0dB to +13dB PGAs
q
q
q
q
q
A/D INPUT MONITOR
INTERNAL VOLTAGE REFERENCE
SINGLE +5V SUPPLY
3V OR 5V DIGITAL OUTPUT
LOW POWER: 475mW typ (3-CH Mode)
DESCRIPTION
The VSP3000 is a complete, three-channel image
signal processor for Charge Coupled Device (CCD)
or Contact Image Sensor (CIS) systems. Each chan-
nel contains sensor signal sampling, Black Level
adjustment and a programmable gain amplifier. The
three inputs are multiplexed into a high speed, 12-bit
analog-to-digital converter. Input circuitry can be
configured, by digital command, for CCD or CIS
sensors. A Black Clamp and Correlated Double
Samplers (CDS) are provided for CCD sensors. For
CIS devices, the VSP3000 provides a single-ended
sampler and a reference input. The VSP3000 is
available in a 48-lead LQFP package and operates
from 0擄C to +85擄C with a single +5V supply.
APPLICATIONS
q
CCD AND CIS COLOR SCANNERS
q
FAX AND MULTI-FUNCTION MACHINES
q
INDUSTRIAL /MEDICAL IMAGING SYSTEMS
CLP
CK1 CK2
STRT
ADCCK
TP0
V
REF
Bandgap
Reference
Clamp
RINP
CM
REFT
REFB
Timing
CDS
PGA
M1
M2
M3
RINN
8
Clamp
GINP
8-Bit
DAC
5
V
DRV
CDS
GINN
PGA
MUX
12-Bit
A/D
12
B0-B11
(D0-D7, A0-A2)
8
Clamp
BINP
8-Bit
DAC
5
OE
CDS
BINN
PGA
Gain
Adjust
Register
R
G
5
B
5
Configuration
Register
3
Offset
Register
R
G
B
8
8-Bit
DAC
8
Register
Port
8
P/S
WRT
RD
SCLK
SD
8
VSP3000
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
漏
1998 Burr-Brown Corporation
PDS-1444B
Printed in U.S.A. August, 1999

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