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ADC08351CILQ 데이터시트(PDF) 1 Page - National Semiconductor (TI) |
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ADC08351CILQ 데이터시트(HTML) 1 Page - National Semiconductor (TI) |
1 / 17 page ADC08351 8-Bit, 42 MSPS, 40 mW A/D Converter General Description The ADC08351 is an easy to use low power, low cost, small size, 42 MSPS analog-to-digital converter that digitizes sig- nals to 8 bits. The ADC08351 uses an unique architecture that achieves 7.2 Effective Bits with a 4.4 MHz input and 42 MHz clock frequency and 6.8 Effective Bits with a 21 MHz input and 42 MHz clock frequency. Output formatting is straight binary coding. To minimize system cost and power consumption, the ADC08351 requires minimal external components and in- cludes input biasing to allow optional a.c. input signal cou- pling. The user need only provide a +3V supply and a clock. Many applications require no separate reference or driver components. The excellent dc and ac characteristics of this device, to- gether with its low power consumption and +3V single supply operation, make it ideally suited for many video and imaging applications, including use in portable equipment. Total power consumption is reduced to less than 7 mW in the power-down mode. Furthermore, the ADC08351 is resistant to latch-up and the outputs are short-circuit proof. Fabricated on a 0.35 micron CMOS process, the ADC08351 is offered in TSSOP and LLP (a molded lead frame-based chip-scale package), and is designed to operate over the industrial temperature range of −40˚C to +85˚C. Features n Low Input Capacitance n Internal Sample-and-Hold Function n Single +3V Operation n Power Down Feature n TRI-STATE Outputs Key Specifications j Resolution 8 Bits j Maximum Sampling Frequency 42 MSPS (min) j ENOB @ fCLK = 42 MHz, fIN = 4.4 MHz 7.2 Bits (typ) j Guaranteed No Missing Codes j Power Consumption 40 mW (typ); 48 mW (max) (Excluding Reference Current) Applications n Video Digitization n Digital Still Cameras n Set Top Boxes n Digital Camcorders n Communications n Medical Imaging n Personal Computer Video n CCD Imaging n Electro-Optics Pin Configuration 20-Pin TSSOP 24-Pin LLP (CSP) 10089501 Top View 10089534 Bottom View November 2003 © 2003 National Semiconductor Corporation DS100895 www.national.com |
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