Preliminary

1240
ADCDS-1603
16-Bit,
12-Bit,2.3
40 Megapixels/Second
CCD Signal Processor
Preliminary Data
Preliminary
For full details go to
www.datel.com/rohs
FEATURES
PRODUCT OVERVIEW
„
2.3 MPPS
40
is an
CCD
The ADCDS-1603
The
ADCDS -1240
is application-specific
an application -specific
CCD
processor
for
signalsignal
processor
designeddesigned
for electronic-imaging
electronic-imaging
applications
that employ
applications that employ
CCD's (charge
coupled
CCD's (charge coupled devices) as their
devices)
as
their
photodetector.
The
ADCDS-1603
photo detector. The ADCDS-1240 utilizes a
incorporatesarchitecture
a "user configurable"
input
amplifier,
proprietary
to convert
at high
a CDStransfer
(correlated
double
sampler)
and a 16-bit
pixel
rates
without
compromising
system
integrity.
resolutionnoise
sampling
A/D converter in a single
„
Internal 12-bit
16-bit resolution A/D
Proprietary
correlated
double
sampling
„
Internal correlated
doubler
sampler
(CDS)
„
Resistor40-pin,
programmable
adjustment
Small,
TDIP gain
or SMT
package
from 0dB to 15.5dB
Programmable
„
1.3 LSB RMS NoiseOffset Adjustment
package, providing the user with a complete, high
Gain
„
Small, Adjustment
40-pin, TDIP orFeature
SMT package
Low cost,
complete
„
Analog
front functionally
end programmable
bandwidth
„
Extended
temperature range –40ºC to +125ºC
Low
Power
„
Low power, 674mW
„
Low cost, functionally complete
To maximize dynamic range, this 12-bit
performance, low-cost, low-power, integrated
CCD Signal Processor incorporates a
solution. controlled calibration feature to null
digitally
multiple CCD output offset errors, and an
The key to the ADCDS-1603's performance is a
analog input front end that allows the user
unique,
to
makehigh-speed,
both gross high-accuracy
and fine gain CDS circuit,
which eliminates the effects of residual charge,
adjustments.
ADCDS-1240
12-BIT, 40 MHz
CCD SIGNAL PROCESSOR
charge
and "kT/C"
noisesampling
on the CCD's
Using ainjection
high-speed,
low-noise
A/D
converter
the capacitor,
ADCDS-1240
produces
a 12-bit,
output
floating
producing
a pixel
data
parallel
output,
representation
of the
output
signal.
Thedigitized
ADCDS-1603
digitizes this
video output of the CCD.
resultant pixel data signal using a high-speed,
low-noise
sampling A/D
converter.
The ADCDS-1240
requires
only a rising edge
of the R_Conv pulse to capture the reference
The
ADCDS-1603 requires only the rising edge
level of the CCD output and a rising edge of the
of
start convert
pulse
initiate its conversion
P_Conv
to initiate
thetoconversion
process.
process
and a Reference
Hold command
Timing circuitry
can be configured
suchto
that a
single clock
operating
at reference
2x the output
rate
acquire
and hold
the CCD
leveldata
output.
will
serve
as
both
the
R_Conv
and
P_Conv
Additional features of the ADCDS-1603 include
signals.
gain
adjust, offset adjust, precision +2.048V
Additional features include precision +10V
reference,
programmable
analogflag.
bandwidth
reference and
and aoutput
data overflow
function.
1.27 TYP.
2.24 TYP.
0.100 TYP.
0.32 TYP
(8.128)
1.900 ±0.008
0.100 TYP.
(2.540)
TDIP
Package
(inches)
0.900 ±0.010
DATEL
11 Cabot Boulevard, Mansfield, MA 02048-1151 USA
. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not
imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change
without notice.
ITAR and ISO 9001/14001 REGISTERED
www.datel.com • e-mail: [email protected]
MDA_ADCDS-1603.E05 Page 1 of 11
Preliminary