LTC2338CMS-18#PBF

LTC2338CMS-18#PBF is a low noise, high speed 18bit successive approximation register (SAR) ADC with fully differential inputs. Operating from a single 5V supply, the LTC2338-18 has a ±10.24V true bipolar input range, making it ideal for high voltage applications which require a wide dynamic range. The LTC2338-18 achieves ±4LSB INL maximum, no missing codes at 18bits with 100dB SNR. The LTC2338-18 has an onboard single-shot capable reference buffer and low drift (20ppm/°C max) 2.048V temperature compensated reference. The LTC2338-18 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 1Msps throughput with no cycle latency makes the LTC2338-18 ideally suited for a wide variety of high speed applications. Applications include programmable logic controllers, industrial process control, high speed data acquisition, portable or compact instrumentation, ATE.

• Guaranteed 18bit no missing codes, fully differential inputs
• Guaranteed operation to 125°C, single 5V supply
• Onboard single-shot capable reference buffer, 1.8V to 5V I/O voltages
• No pipeline delay, no cycle latency, SPI-compatible serial I/O with daisy-chain mode
• Internal conversion clock, 50mW typ power dissipation
• Analog input capacitance is 5pF typical at (TA = 25°C)
• Transition noise is 0.8LSBRMS typical at (TA = 25°C)
• 7MHz typ -3dB input linear bandwidth at (TA = 25°C)
• Signal-to-(Noise + distortion) ratio is 97dB typ at (±6.25V Range, fIN = 2KHz, REFIN = 1.25Vn
• Operating temperature range from 0°C to 70°C, 16-lead plastic MSOP package

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