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LT1818 Datasheet(PDF) 1 Page - Linear Technology |
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LT1818 Datasheet(HTML) 1 Page - Linear Technology |
1 / 20 page LTC2315-12 1 231512f For more information www.linear.com/2315-12 Typical applicaTion FeaTures DescripTion 12-Bit, 5Msps Serial Sampling ADC in TSOT The LTC®2315-12 is a 12-bit, 5Msps, serial sampling A/D converter that draws only 6mA from a wide range analog supply adjustable from 2.7V to 5.25V. The LTC2315-12 containsanintegratedbandgapandreferencebufferwhich provide a low cost, high performance (20ppm/°C max) and space saving applications solution. The LTC2315-12 achieves outstanding AC performance of 72.6dB SINAD and –84dB THD while sampling a 500kHz input frequency. The extremely high sample rate-to-power ratio makes the LTC2315-12 ideal for compact, low power, high speed systems. The LTC2315-12 also provides both nap and sleep modes for further optimization of the device power within a system. The LTC2315-12 has a high-speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3V and 5V logic. The fast 5Msps throughput makes the LTC2315-12 ideally suited for a wide variety of high speed applications. applicaTions n 5Msps Throughput Rate n Guaranteed 12-Bit No Missing Codes n Internal Reference: 2.048V/4.096V Span n Low Noise: 73dB SNR n Low Power: 6.4mA at 5Msps and 5V n Dual Supply Range: 3V/5V operation n Sleep Mode with < 1µA Typical Supply Current n Nap Mode with Quick Wake-up < 1 conversion n Separate 1.8V to 5V Digital I/O Supply n High Speed SPI-Compatible Serial I/O n Guaranteed Operation from –40°C to 125°C n 8-Lead TSOT-23 Package n Communication Systems n High Speed Data Acquisition n Handheld Terminal Interface n Medical Imaging n Uninterrupted Power Supplies n Battery Operated Systems n Automotive L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 5V Supply, Internal Reference, 5Msps, 12-bit Sampling ADC SERIAL DATA LINK TO ASIC, PLD, MPU, DSP OR SHIFT REGISTERS ANALOG INPUT 0V TO 4.096V 5V 2.2µF 2.2µF 2.2µF 231512 TA01 GND VDD REF AIN OVDD SCK CS SDO LTC2315-12 DIGITAL OUTPUT SUPPLY 1.8V TO 5V fS = 5Msps, fIN = 500kHz 16k-pt FFT 231512 TA01a FREQUENCY (kHz) 0 2500 2000 1000 500 1500 0 –20 –40 –60 –80 –100 –120 –140 VDD = 5V SNR = 73.1dBFS SINAD = 72.6dBFS THD = –84dB SFDR = 87dBc |
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