CXD2312R
9-bit 20MSPS Video A/D Converter
Description
The CXD2312R is a 9-bit CMOS A/D converter for
video applications. This IC is ideally suited for the
A/D conversion of video signals in TVs, VCRs,
camcorders, etc.
Features
•
Resolution: 9-bit ±0.5 LSB (D.L.E.)
•
Maximum sampling frequency: 20MSPS
•
Low power consumption: 130mW (at 20MSPS typ.)
(Not including reference current)
•
TTL compatible input
•
Tri-state TTL compatible output (DV
DD
= 3.3V)
•
Low input capacitance
•
Reference impedance: 300Ω (typ.)
Absolute Maximum Ratings
(Ta = 25°C)
•
Supply voltage
V
DD
7
V
•
Reference voltage
VRT, VRB V
DD
+ 0.5 to V
SS
– 0.5 V
•
Input voltage (analog)
V
IN
V
DD
+ 0.5 to V
SS
– 0.5 V
•
Input voltage (digital)
V
IH
, V
IL
V
DD
+ 0.5 to V
SS
– 0.5 V
•
Output voltage (digital)
V
OH
, V
OL
V
DD
+ 0.5 to V
SS
– 0.5 V
•
Storage temperature
Tstg
–55 to +150
°C
Recommended Operating Conditions
•
Supply voltage
AV
DD
, AV
SS
5.0 ± 0.25
DV
DD
, DV
SS
3.0 to 5.25
| DV
SS
– AV
SS
|
0 to 100
•
Reference input voltage VRB
More than 1.8
VRT
to AV
DD
– 0.4
•
Analog input
V
IN
More than 1.8Vp-p
•
Clock pulse width
T
PW
1
25 (min.)
T
PW
0
25 (min.)
•
Operating ambient temperature
Topr
–20 to + 75
48 pin LQFP (Plastic)
Structure
Silicon gate CMOS IC
V
V
mV
V
V
ns
ns
°C
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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E94Z29C79-PS
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