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LTC2336-18 Dataheets PDF



Part Number LTC2336-18
Manufacturers Linear
Logo Linear
Description Fully Differential Input ADC
Datasheet LTC2336-18 DatasheetLTC2336-18 Datasheet (PDF)

FEATURES LTC2336-18 18-Bit, 250ksps, ±10.24V True Bipolar, Fully Differential Input ADC with 100dB SNR DESCRIPTION nn 250ksps Throughput Rate nn ±4LSB INL (Max) nn Guaranteed 18-Bit No Missing Codes nn Fully Differential Inputs nn True Bipolar Input Ranges ±6.25V, ±10.24V, ±12.5V nn 100dB SNR (Typ) at fIN = 2kHz nn –115dB THD (Typ) at fIN = 2kHz nn Guaranteed Operation to 125°C nn Single 5V Supply nn Low Drift (20ppm/°C Max) 2.048V Internal Reference nn Onboard Single-Shot Capable Reference Bu.

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FEATURES LTC2336-18 18-Bit, 250ksps, ±10.24V True Bipolar, Fully Differential Input ADC with 100dB SNR DESCRIPTION nn 250ksps Throughput Rate nn ±4LSB INL (Max) nn Guaranteed 18-Bit No Missing Codes nn Fully Differential Inputs nn True Bipolar Input Ranges ±6.25V, ±10.24V, ±12.5V nn 100dB SNR (Typ) at fIN = 2kHz nn –115dB THD (Typ) at fIN = 2kHz nn Guaranteed Operation to 125°C nn Single 5V Supply nn Low Drift (20ppm/°C Max) 2.048V Internal Reference nn Onboard Single-Shot Capable Reference Buffer nn No Pipeline Delay, No Cycle Latency nn 1.8V to 5V I/O Voltages nn SPI-Compatible Serial I/O with Daisy-Chain Mode nn Internal Conversion Clock nn Power Dissipation 28mW (Typ) nn 16-Lead MSOP Package APPLICATIONS nn Programmable Logic Controllers nn Industrial Process Control nn High Speed Data Acquisition nn Portable or Compact Instrumentation nn ATE The LTC®2336-18 is a low noise, high speed 18-bit successive approximation register (SAR) ADC with fully differential inputs. Operating from a single 5V supply, the LTC2336-18 has a ±10.24V true bipolar input range, making it ideal for high voltage applications which require a wide dynamic range. The LTC2336-18 achieves ±4LSB INL maximum, no missing codes at 18-bits with 100dB SNR. The LTC2336-18 has an onboard single-shot capable reference buffer and low drift (20ppm/°C max) 2.048V temperature compensated reference. The LTC2336-18 also has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The fast 250ksps throughput with no cycle latency makes the LTC2336-18 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2336-18 dissipates only 28mW 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 LTC2336-18 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 Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 7705765 and 7961132 TYPICAL APPLICATION +10.24V –10.24V +10.24V –10.24V + – 5V 10µF 1.8V TO 5V 2.2µF 0.1µF VDD IN+ VDDLBYP OVDD LTC2336-18 IN– RERFEBFUF REFIN GND 47µF 100nF CHAIN RDL/SDI SDO SCK BUSY CNV 233618 TA01 SAMPLE CLOCK For more information www.linear.com/LTC2336-18 AMPLITUDE (dBFS) 0 –20 –40 –60 –80 –100 –120 –140 –160 –180 0 32k Point FFT fS = 250ksps, fIN = 2kHz SNR = 100.3dB THD = –117dB SINAD = 100.2dB SFDR = –118dB 25 50 75 100 125 FREQUENCY (kHz) 233618 TA01b 233618fa 1 LTC2336-18 ABSOLUTE MAXIMUM RATINGS (Notes 1, 2) Supply Voltage (VDD)...................................................6V Supply Voltage (OVDD)..........................................


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