CDK2307 Dual, 20/40/65/80MSPS, 12/13-bit Analog-to-Digital Converters Rev 2C
Part | Datasheet |
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CDK2307AILP64 | CDK2307AILP64 (pdf) |
Related Parts | Information |
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CDK2307DILP64 | CDK2307DILP64 |
CDK2307CILP64 | CDK2307CILP64 |
CDK2307BILP64 | CDK2307BILP64 |
PDF Datasheet Preview |
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Data Sheet CDK2307 Dual, 20/40/65/80MSPS, 12/13-bit Analog-to-Digital Converters FEATURES n 13-bit resolution n 20/40/65/80MSPS maximum sampling rate n Ultra-low power dissipation 30/55/85/102mW n SNR 72dB at 80MSPS and 8MHz FIN n Internal reference circuitry n 1.8V core supply voltage n 1.7V 3.6V I/O supply voltage n Parallel CMOS output n 64-pin QFN package n Dual channel n Pin compatible with CDK2308 APPLICATIONS n Handheld Communication, PMR, SDR n Medical Imaging n Portable Test Equipment n Digital Oscilloscopes n Baseband / IF Communication n Video Digitizing n CCD Digitizing The CDK2307 is a high performance, low power dual Analog-to-Digital Converter ADC . The ADC employs internal reference circuitry, a CMOS control interface and CMOS output data, and is based on a proprietary structure. Digital error correction is employed to ensure no missing codes in the complete full scale range. Several idle modes with fast startup times exist. Each channel can be independently powered down and the entire chip can either be put in Standby Mode or Power Down mode. The different modes are optimized to allow the user to select the mode resulting in the smallest possible energy consumption during idle mode and startup. The CDK2307 has a highly linear THA optimized for frequencies up to 70MHz. The differential clock interface is optimized for low jitter clock sources and supports LVDS, LVPECL, sine wave and CMOS clock inputs. Functional Block Diagram CLK_EXT CLKP CLKN Ordering Information Speed Package CDK2307AILP64 20MSPS QFN-64 CDK2307BILP64 40MSPS QFN-64 CDK2307CILP64 65MSPS QFN-64 CDK2307DILP64 80MSPS QFN-64 Moisture sensitivity level for all parts is MSL-2A. Pb-Free Yes RoHS Compliant Yes Operating Temperature Range -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C Packaging Method Tray Exar Corporation 48720 Kato Road, Fremont CA 94538, USA Tel. +1 510 668-7000 - Fax. +1 510 668-7001 Data Sheet Pin Configuration QFN-64 CLK_EXT_EN 19 1 2 3 4 5 6 7 8 9 10 11 12 DVSSCLK 13 DVDDCLK 14 CLKP 15 CLKN 16 CDK2307 QFN-64 48 47 46 45 44 43 42 CLK_EXT 41 40 39 38 37 36 35 34 33 Pin Assignments Pin No. 1, 18, 23 2 3, 9, 12 4, 5, 8 6, 7 10, 11 13 14 15 16 17, 64 19 20 21 22 24, 41, 58 25, 40, 57 26 27 28 29 Pin Name DVDD CM_EXT AVDD AVSS IP0, IN0 IP1, IN1 DVSSCLK DVDDCLK CLKP CLKN DVSS CLK_EXT_EN DFRMT PD_N OE_N_1 OVDD OVSS D1_0 D1_1 D1_2 D1_3 Description Digital and I/O-ring pre driver supply voltage, 1.8V Common Mode voltage output Analog supply voltage, 1.8V Analog ground Analog input Channel 0 non-inverting, inverting Analog input Channel 1 non-inverting, inverting Clock circuitry ground Clock circuitry supply voltage, 1.8V Clock input, non-inverting Format LVDS, PECL, CMOS/TTL, Sine Wave Clock input, inverting. For CMOS input on CLKP, connect CLKN to ground Digital circuitry ground CLK_EXT signal enabled when low zero . Tristate when high. Data format selection. 0 Offset Binary, 1 Two's Complement Full chip Power Down mode when Low. All digital outputs reset to zero. After chip power up, always apply Power Down mode before using Active Mode to reset chip. Output Enable Channel Tristate when high. I/O ring post-driver supply voltage. Voltage range 1.7V to 3.6V. Ground for I/O ring Output Data Channel 1 LSB, 13-bit output or 1Vpp full scale range Output Data Channel 1 LSB, 12-bit output 2Vpp full scale range Output Data Channel 1 Output Data Channel 1 2009-2013 Exar Corporation 2/16 Data Sheet Pin Assignments Continued |
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