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LTC2389-18 - 18-Bit 2.5Msps SAR ADC

General Description

n 2.5Msps Throughput Rate n ±3LSB INL (Max) n Guaranteed 18-Bit, No Missing Codes n Pin-Configurable Analog Input Range: ±4.096V Fully Differential 0V to 4.096V Pseudo-Differential Unipolar ±2.048V Pseudo-Differential Bipolar n 99.8dB (Fully Differential)/95.2dB (Pseudo Differential) SNR (Typ) at f

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LTC2389-18 18-Bit, 2.5Msps SAR ADC with Pin-Configurable Analog Input Range and 99.8dB SNR Features Description n 2.5Msps Throughput Rate n ±3LSB INL (Max) n Guaranteed 18-Bit, No Missing Codes n Pin-Configurable Analog Input Range: ±4.096V Fully Differential 0V to 4.096V Pseudo-Differential Unipolar ±2.048V Pseudo-Differential Bipolar n 99.8dB (Fully Differential)/95.2dB (Pseudo Differential) SNR (Typ) at fIN = 2kHz n –116dB (Fully Differential)/–112dB (Pseudo Differential) THD (Typ) at fIN = 2kHz n Guaranteed Operation to 125°C n Single 5V Supply n Internal 20ppm/°C (Max) Reference n Internal Reference Buffer n 162.5mW Power Dissipation at 2.5Msps n No Pipeline Delay, No Cycle Latency n 1.