CXD2302Q
8-bit 50MSPS Video A/D Converter with Clamp Function
Description
The CXD2302Q is an 8-bit CMOS A/D converter
for video with synchronizing clamp function. The
adoption of 2 step-parallel method achieves low
power consumption and a maximum conversion rate
of 50MSPS.
Features
•
Resolution: 8 bit ± 1/2LSB (DL)
•
Maximum sampling frequency: 50MSPS
•
Low power consumption: 125mW (at 50MSPS typ.)
(reference current excluded)
•
Synchronizing clamp function
•
Clamp ON/OFF function
•
Reference voltage self-bias circuit
•
•
•
•
•
Input CMOS/TTL compatible
3-state TTL compatible output
Single 5V power supply or dual 5V/3.3V power supply
Low input capacitance: 15pF
Reference impedance: 370Ω (typ.)
Absolute Maximum Ratings
(Ta = 25°C)
7
•
Supply voltage
V
DD
•
Input voltage
(Analog)
•
Input voltage
V
IN
V
I
32 pin QFP (Plastic)
V
•
Reference voltage V
RT
,V
RB
V
DD
+ 0.5 to Vss – 0.5V
V
DD
+ 0.5 to Vss – 0.5V
V
DD
+ 0.5 to Vss – 0.5V
V
DD
+ 0.5 to Vss – 0.5V
(Digital)
•
Output voltage
V
O
(Digital)
•
Storage temperature
Tstg
–55 to +150
°C
Applications
Wide range of applications that require high-speed
A/D conversion such as TV and VCR.
Structure
Silicon gate CMOS IC
Recommended Operating Conditions
•
Supply voltage
AV
DD
, AVss 4.75 to 5.25
DV
DD
, DVss 3.0 to 5.5
| DVss – AVss | 0 to 100
•
Reference input voltage
V
RB
0 and above
•
Analog input
•
Clock pulse width
V
RT
V
IN
2.7 and below
1.7Vp-p above
V
V
mV
V
V
T
PW1
, T
PW0
9ns (min) to 1.1µs (max)
•
Operating ambient temperature
Topr
–40 to +85
°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.
–1–
E94102E78-PS
SONY [ SONY CORPORATION ]
