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CXD1179Q

Sony Corporation
Part Number CXD1179Q
Manufacturer Sony Corporation
Description 8-bit 35MSPS Video A/D Converter with Clamp Function
Published Mar 27, 2005
Detailed Description CXD1179Q 8-bit 35MSPS Video A/D Converter with Clamp Function Description The CXD1179Q is an 8-bit CMOS A/D converter fo...
Datasheet PDF File CXD1179Q PDF File

CXD1179Q
CXD1179Q

Overview
CXD1179Q 8-bit 35MSPS Video A/D Converter with Clamp Function Description The CXD1179Q is an 8-bit CMOS A/D converter for video with synchronizing clamp function.
The adoption of 2 step-parallel method achieves ultra-low power consumption and a maximum conversion speed of 35MSPS.
Features • Resolution: 8-bit ± 1/2LSB (DL) • Maximum sampling frequency: 35MSPS • Low power consumption: 80 mW (at 35MSPS typ.
) (reference current excluded) • Synchronizing clamp function • Clamp ON/OFF function • • • • • • Reference voltage self bias circuit Input CMOS compatible 3-state TTL compatible output Single 5V power supply Low input capacitance: 8 pF Reference impedance: 330 Ω (typ.
) 32 pin QFP (Plastic) Absolute Maximum Ratings (Ta=25 °C) • Supply voltage VDD 7 • Reference voltage VRT, VRB VDD + 0.
5 to VSS – 0.
5 • Input voltage VIN VDD + 0.
5 to VSS – 0.
5 (Analog) • Input voltage VI VDD + 0.
5 to VSS – 0.
5 (Digital) • Output voltage VO (Digital) • Storage temperature Tstg V V V V VDD + 0.
5 to VSS – 0.
5 V Applications Wide range of applications that require high-speed A/D conversion such as TV and VCR.
Structure Silicon gate CMOS IC –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 and above V VRT 2.
7 and below V • Analog input VIN 1.
8 Vp-p above • Clock pulse width Tpw1, Tpw0 13 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.
—1— E91Z07G86-TE CXD1179Q Block Diagram DVss 28 OE 30 Reference supply DVss 31 D0 (LSB) D1 D2 D3 D4 D5 D6 D7 (MSB) 1 23 AVss 2 ...


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