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CXD2311AR

Sony Corporation
Part Number CXD2311AR
Manufacturer Sony Corporation
Description 10-bit 20MSPS Video A/D Converter
Published Mar 27, 2005
Detailed Description CXD2311AR 10-bit 20MSPS Video A/D Converter Description The CXD2311AR is a 10-bit CMOS A/D converter for video applicati...
Datasheet PDF File CXD2311AR PDF File

CXD2311AR
CXD2311AR

Overview
CXD2311AR 10-bit 20MSPS Video A/D Converter Description The CXD2311AR is a 10-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: 10-bit ± 1.
0 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 (DVDD = 3.
3V) • Low input capacitance • Reference impedance: 280Ω (typ.
) 48 pin LQFP (Plastic) 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 (analog) VIN VDD + 0.
5 to VSS – 0.
5 V • Input voltage (digital) VIH, VIL VDD + 0.
5 to VSS – 0.
5 V • Output voltage (digital) VOH, VOL VDD + 0.
5 to VSS – 0.
5 V • Storage temperature Tstg –55 to +150 °C Recommended Operating Conditions • Supply voltage AVDD, AVSS 5.
0 ± 0.
25 DVDD, DVSS 3.
0 to 5.
25 | DVSS – AVSS | 0 to 100 • Reference input voltage VRB More than 1.
8 VRT to AVDD – 0.
4 • Analog input VIN More than 1.
8Vp-p • Clock pulse width TPW1 25 (min.
) TPW0 25 (min.
) • Operating ambient temperature Topr –20 to +75 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.
–1– E94Z27D79-PS CXD2311AR Block Diagram AVSS 27 28 36 + – VRT 29 VRT 30 AVDD 18 26 VIN 39 ×8 Sense Amp Coarse Correction & Latch 12 D9 11 D8 10 D7 9 8 D6 D5 DAC Fine Comparate & Encode Fine Latch Calibration Unit 5 D4 4 D3 3 D2 Coarse Comparate & Encode 2 D1 1 D0 (LSB) VRB 34 VRB 35 Sense Amp 21 MINV 20 LINV 19 TESTMODE CLK 22 OE 23 CE 24 Timing Ge...


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