VSP3000 Datasheet, PDF (1/13 Pages) Burr-Brown (TI) – 12-Bit, 6MHz CCD/CIS SIGNAL PROCESSOR

®
VSP3000
VSP3000
TM _{12-Bit, 6MHz}
CCD/CIS SIGNAL PROCESSOR
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 A/D INPUT MONITOR
q INTERNAL VOLTAGE REFERENCE
q SINGLE +5V SUPPLY
q 3V OR 5V DIGITAL OUTPUT
q LOW POWER: 475mW typ (3-CH Mode)
APPLICATIONS
q CCD AND CIS COLOR SCANNERS
q FAX AND MULTI-FUNCTION MACHINES
q INDUSTRIAL /MEDICAL IMAGING SYSTEMS
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°C to +85°C with a single +5V supply.
CLP
RINP
RINN
Clamp
GINP
GINN
Clamp
BINP
BINN
Clamp
Offset
Register
R
G
B
8
8-Bit
DAC
8
8-Bit
DAC
8
8-Bit
DAC
8
CK1 CK2
CDS
PGA
5
STRT ADCCK TP0
V_REF
Timing
M1
M2
M3
Bandgap
Reference
CDS
PGA
5
MUX
CDS
PGA
5
VSP3000
Configuration
Register
Gain
Adjust
Register
8
R
G
B
5
12-Bit
A/D
12
3
Register
8
Port
CM
REFT
REFB
V_DRV
B0-B11
(D0-D7, A0-A2)
OE
P/S
WRT
RD
SCLK
SD
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Internet: http://www.burr-brown.com/ • FAXLine: [phone] (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: [phone] • Immediate Product Info: [phone]
©_{1998 Burr-Brown Corporation}
PDS-1444B
Printed in U.S.A. August, 1999