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MAX11047：4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs

Industry's First True 16-Bit, 8-Channel, Simultaneous-Sampling SAR ADCs

The MAX11047/MAX11048/MAX11049 and MAX11057/MAX11058/MAX11059 16-bit/14-bit ADCs offer 4, 6, or 8 independent input channels. Featuring independent track and hold (T/H) and SAR circuitry, these parts provide simultaneous sampling at 250ksps for each channel. The devices accept a 0 to +5V input. All inputs are overrange protected with internal ±20mA input clamps providing overrange protection with a simple external resistor. Other features include a 4MHz T/H input bandwidth, internal clock, and internal or external reference. A 20MHz, bidirectional, parallel interface provides the conversion results and accepts digital configuration inputs. The devices operate with a 4.75V to 5.25V analog supply and a separate flexible 2.7V to 5.25V digital supply for interfacing with the host without a level shifter. The MAX11047/MAX11048/MAX11049 are available in a 56-pin TQFN and 64-pin TQFP packages while the MAX11057/MAX11058/MAX11059 are available in TQFP only. All devices operate over the extended -40°C to +85°C temperature range.

Key Features 16-Bit ADC (MAX11047/MAX11048/MAX11049) 14-Bit ADC (MAX11057/MAX11058/MAX11059) 4-Channel ADC (MAX11047/MAX11057) 6-Channel ADC (MAX11048/MAX11058) 8-Channel ADC (MAX11049/MAX11059) Single Analog and Digital Supply High-Impedance Inputs Up to 1GΩ On-Chip T/H Circuit for Each Channel Fast 3µs Conversion Time High Throughput: 250ksps for Each Channel 16-/14-Bit, High-Speed, Parallel Interface Internal Clocked Conversions 10ns Aperture Delay 100ps Channel-to-Channel T/H Matching Low Drift, Accurate 4.096V Internal Reference Providing an Input Range of 0 to 5V External Reference Range of 3.0V to 4.25V, Allowing Full-Scale Input Ranges of +3.7V to +5.2V 56-Pin TQFN (8mm x 8mm) and 64-Pin TQFP (10mm x 10mm) Packages Evaluation Kit Available (MAX11046EVKIT+)

MAX11047, MAX11048, MAX11049: Functional Diagram Applications/Uses Automatic Test Equipment Multiphase Motor Control Power-Factor Monitoring and Correction Power-Grid Protection Vibration and Waveform Analysis

DataSheet

Parametrics

Quality and Environmental Data

• MAX11047.pdf

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