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MAX11056：4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs

Industry's First Single-Supply Bipolar ADCs with High-Impedance Input

The MAX11044/MAX11044B/MAX11045/MAX11045B/MAX11046/MAX11046B 16-bit and MAX11054/MAX11055/MAX11056 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 MAX11044/MAX11044B/MAX11045/MAX11045B/MAX11046/MAX11046B and MAX11054/MAX11055/MAX11056 accept a ±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 MAX11044/MAX11044B/MAX11045/MAX11045B/MAX11046/MAX11046B and MAX11054/MAX11055/MAX11056 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 MAX11044/MAX11044B/MAX11045/MAX11045B/MAX11046/MAX11046B are available in a 56-pin TQFN and 64-pin TQFP packages while the MAX11054/MAX11055/MAX11056 are available in TQFP only and operate over the extended -40°C to +85°C temperature range.

Key Features 16-Bit ADC (MAX11044/MAX11044B/MAX11045/MAX11045B/MAX11046/MAX11046B) and 14-Bit ADC (MAX11054/MAX11055/MAX11056) 8-Channel ADC (MAX11046/MAX11046B/MAX11056) 6-Channel ADC (MAX11045/MAX11045B/MAX11055) 4-Channel ADC (MAX11044/MAX11044B/MAX11054) 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-Bit/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 ±5V External Reference Range of 3.0V to 4.25V, Allowing Full-Scale Input Ranges of ±4.0V to ±5.2V 56-Pin (8mm x 8mm) TQFN and 64-Pin (10mm x 10mm) TQFP Packages Evaluation Kit Available

MAX11044, MAX11045, MAX11046: Functional Diagram Applications/Uses Automatic Test Equipment Multiphase Motor Control Power-Factor Monitoring and Correction Power-Grid Protection Vibration and Waveform Analysis

DataSheet

Parametrics

Design kits & evaluation modules

• MAX11046EVKIT

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