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MAX197AEWI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX197AEWI+

Manufacturer: MAXIM, MAXIM/DALLAS

Multi-Range (±10V, ±5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface

Partnumber Manufacturer Quantity Availability
MAX197AEWI+,MAX197AEWI MAXIM, MAXIM/DALLAS 314 In Stock

Description and Introduction

Multi-Range (±10V, ±5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface The MAX197AEWI+ is a 12-bit data acquisition system (DAS) manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX197AEWI+  
- **Package:** 28-Wide SOIC  
- **Operating Temperature Range:** -40°C to +85°C  
- **Resolution:** 12-bit  
- **Input Channels:** 8 single-ended or 4 differential  
- **Conversion Time:** 6µs (max)  
- **Sampling Rate:** 100ksps  
- **Supply Voltage:** ±5V  
- **Interface:** Parallel  
- **Power Consumption:** 100mW (typical)  
- **Reference Voltage:** Internal (4.096V) or External  
- **Integral Nonlinearity (INL):** ±1 LSB (max)  
- **Differential Nonlinearity (DNL):** ±1 LSB (max)  

### **Descriptions:**
The MAX197AEWI+ is a high-performance, 12-bit analog-to-digital converter (ADC) with an 8-channel multiplexer. It integrates a sample-and-hold circuit, voltage reference, and high-speed parallel interface. It is designed for precision data acquisition applications requiring fast conversion and low power consumption.

### **Features:**
- **12-bit resolution with no missing codes**  
- **8 analog input channels (single-ended or 4 differential pairs)**  
- **Internal 4.096V reference or external reference option**  
- **Low power consumption (100mW typical)**  
- **Fast conversion time (6µs max)**  
- **Parallel interface for easy microcontroller interfacing**  
- **Software-selectable input ranges (0 to VREF, ±VREF, or ±2VREF)**  
- **On-chip track/hold circuit**  
- **Wide operating temperature range (-40°C to +85°C)**  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Multi-Range (±10V, ±5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface

Alternative Part Number

  • AD7874ANZ --: 12-bit 8-channel simultaneous-sampling ADC with comparable parallel interface and similar performance class, widely available as a direct functional substitute.
  • LTC1298CN8 --: 12-bit multi-channel ADC with serial interface offering similar resolution and accuracy, suitable when interface flexibility is acceptable.
  • ADS7841E --: 12-bit 4-channel ADC with similar sampling performance and low power consumption, a common alternative for data acquisition designs.

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