CXD1176Q Datasheet, PDF (1/25 Pages) Sony Corporation – 8-bit 20MSPS Video A/D Converter with Clamp Function

CXD1176Q
8-bit 20MSPS Video A/D Converter with Clamp Function
Description
The CXD1176Q is an 8-bit CMOS A/D converter
for video use that features a sync clamp function. The
adoption of a 2 step-parallel method realizes low
power consumption and a maximum conversion
speed of 20MSPS.
32 pin QFP (Plastic)
Features
• Resolution power: 8-bit ± 1/2LSB (DL)
• Maximum sampling frequency: 20MSPS
• Low power consumption: 60mW (at 20MSPS typ.)
(Reference current excluded)
• Built-in sync type clamp function
• Built-in monostable multivibrator for clamp pulse
generation
• Built-in sync pulse polarity selection function
• Clamp pulse direct input possible
• Built-in clamp ON/OFF function
• Built-in reference voltage self-bias circuit
• Input CMOS compatible
• 3-state TTL compatible output
• Single 5 V power supply
• Low input capacity: 11 pF
• Reference impedance: 330 Ω (typ.)
Applications
TV and VCR digital systems and a wide range of
applications where high-speed A/D conversion is
required.
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage VDD
7
V
• Reference voltage
VRT, VRB VDD + 0.5 to VSS – 0.5 V
• Input voltage VIN
VDD + 0.5 to VSS – 0.5 V
(Analog)
• Input voltage VI
VDD + 0.5 to VSS – 0.5 V
(Digital)
• Output voltage VO
VDD + 0.5 to VSS – 0.5 V
(Digital)
• Storage temperature
Tstg
–55 to +150 °C
Recommended Operating Conditions
• Supply voltage AVDD, AVSS 4.75 to 5.25
V
DVDD, DVSS
| DVSS – AVSS | 0 to 100
mV
• Reference input voltage
VRB
0 to
V
VRT
to 2.7
V
• Analog input VIN
1.8Vp-p above
• Clock pulse width
Tpw1, Tpw0 22.5 ns (min) to 1.1 µs (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.
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E90167J04-TE