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MAX185BCWG from MAXIM,MAXIM - Dallas Semiconductor

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MAX185BCWG

Manufacturer: MAXIM, MAX

High-Speed 12-Bit A/D Converters With External Refernce input

Partnumber Manufacturer Quantity Availability
MAX185BCWG MAXIM, MAX 840 In Stock

Description and Introduction

High-Speed 12-Bit A/D Converters With External Refernce input The MAX185BCWG is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution**: 12-bit  
- **Sampling Rate**: Up to 500 kSPS (kilo-samples per second)  
- **Input Voltage Range**: 0V to VREF (programmable reference voltage)  
- **Power Supply**: Single +5V  
- **Power Consumption**: 60mW (typical)  
- **DNL (Differential Non-Linearity)**: ±1 LSB (max)  
- **INL (Integral Non-Linearity)**: ±1 LSB (max)  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: 24-pin SOIC (Wide)  

### **Descriptions:**
- The MAX185BCWG is a successive-approximation register (SAR) ADC with an internal track-and-hold circuit.  
- It features a parallel interface for easy integration with microcontrollers and DSPs.  
- The device includes an internal reference voltage but also supports an external reference for greater flexibility.  

### **Features:**
- **High-Speed Conversion**: 500 kSPS throughput.  
- **Low Power**: 60mW typical power consumption.  
- **Internal Reference**: 2.5V reference included (with external reference option).  
- **Wide Input Range**: 0V to VREF, supporting unipolar operation.  
- **Parallel Data Output**: 12-bit parallel output for fast data transfer.  
- **No Pipeline Delays**: SAR architecture ensures accurate single-cycle conversion.  
- **On-Chip Track-and-Hold**: Eliminates the need for an external sample-and-hold circuit.  

This information is based on the manufacturer's datasheet for the MAX185BCWG. For detailed electrical characteristics and application notes, refer to Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

High-Speed 12-Bit A/D Converters With External Refernce input

Alternative Part Number

  • ADG508AKNZ --: Pin-compatible 8-channel analog multiplexer with similar on-resistance and supply range, widely available as a direct functional replacement.
  • DG508ACJ+ --: Same-function 8-channel CMOS multiplexer from Maxim's DG series, matching the original's switching behavior and package footprint.
  • CD4051BE --: Low-cost 8-channel analog multiplexer/demultiplexer with comparable logic-level control, suitable for less demanding signal-routing applications.
  • AD7820KN --: Pin-compatible 8-bit successive-approximation ADC with similar conversion speed and parallel interface, widely available as a direct functional substitute.
  • ADC0804LCN --: Industry-standard 8-bit ADC in DIP package with comparable resolution and conversion timing, easy drop-in for many MAX185BCWG designs.
  • TLC0820ACN --: Fast 8-bit ADC with parallel output and similar supply requirements, suitable alternative when MAX185BCWG is unavailable.

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