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LT6237 Datasheet(PDF) 1 Page - Linear Technology |
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LT6237 Datasheet(HTML) 1 Page - Linear Technology |
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1 / 52 page  LTC2373-16 1 237316fa For more information www.linear.com/LTC2373-16 Typical applicaTion FeaTures DescripTion 16-Bit, 1Msps, 8-Channel SAR ADC with 96dB SNR applicaTions The LTC®2373-16 is a low noise, high speed, 8-channel 16-bitsuccessiveapproximationregister(SAR)ADC.Oper- atingfromasingle5Vsupply,theLTC2373-16hasahighly configurable, low crosstalk 8-channel input multiplexer, supporting fully differential, pseudo-differential unipolar and pseudo-differential bipolar analog input ranges. The LTC2373-16 achieves ±1LSB INL (maximum) in all input ranges, no missing codes at 16-bits and 96dB (fully dif- ferential)/ 93.4dB (pseudo-differential) SNR (typical). TheLTC2373-16hasanonboardlowdrift(20ppm/°Cmax) 2.048V temperature-compensated reference and a single- shot capable reference buffer. The LTC2373-16 also has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic through which a sequencer with a depth of 16 may be programmed. An internal os- cillator sets the conversion time, easing external timing considerations. The LTC2373-16 dissipates only 40mW and automatically naps between conversions, leading to reduced power dissipation that scales with the sampling rate. A sleep mode is also provided to reduce the power consumption of the LTC2373-16 to 300μW for further power savings during inactive periods. L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and SoftSpan is a trademark of Analog Devices, Inc. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 7705765, 7961132, 8319673. n 1Msps Throughput Rate n 16-Bit Resolution with No Missing Codes n 8-Channel Multiplexer with Selectable Input Range n Fully Differential (±4.096V) n Pseudo-Differential Unipolar (0V to 4.096V) n Pseudo-Differential Bipolar (±2.048V) n INL: ±1LSB (Maximum) n SNR: 96dB (Fully Differential)/93.4dB (Pseudo- Differential) (Typical) at fIN = 1kHz n THD: –110dB (Typical) at fIN = 1kHz n Programmable Sequencer n Selectable Digital Gain Compression n Single 5V Supply with 1.8V to 5V I/O Voltages n SPI-Compatible Serial I/O n Onboard 2.048V Reference and Reference Buffer n No Pipeline Delay, No Cycle Latency n Power Dissipation 40mW (Typical) n Guaranteed Operation to 125°C n 32-Lead 5mm × 5mm QFN Package n Programmable Logic Controllers n Industrial Process Control n High Speed Data Acquisition n Portable or Compact Instrumentation n ATE Integral Nonlinearity vs Output Code FULLY DIFFERENTIAL BIPOLAR UNIPOLAR OUTPUT CODE 0 16384 32768 49152 65536 –1.0 –0.8 –0.6 –0.4 –0.2 –0.0 0.2 0.4 0.6 0.8 1.0 237316 TA01b SAMPLE CLOCK 237316 TA01a 10µF 0.1µF 5V 1.8V TO 5V 47µF 1200pF 10 10 1200pF REFBUF GND RESET RDL SDO SCK SDI BUSY CNV CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 COM LTC2373-16 MUX VDD 2.2µF 0.1µF REFIN VDDLBYP OVDD 16-BIT SAMPLING ADC + – – + 4.096V 0V 0V 4.096V 0V 2.048V 4.096V 0V 4.096V 0V |
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