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MAX197BCAI+ from MAX,MAXIM - Dallas Semiconductor

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MAX197BCAI+

Manufacturer: MAX, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX197BCAI+,MAX197BCAI MAX, MAXIM 1031 In Stock

Description and Introduction

Multi-Range (±10V, ±5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface The MAX197BCAI+ is a 12-bit data acquisition system (DAS) manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 differential analog inputs  
- **Conversion Time:** 6µs (max)  
- **Sampling Rate:** Up to 100ksps  
- **Input Voltage Range:**  
  - ±10V (bipolar mode)  
  - 0V to +10V (unipolar mode)  
- **Interface:** Parallel (8-bit)  
- **Power Supply:**  
  - **Analog Supply (VDD):** +5V ±5%  
  - **Digital Supply (VCC):** +5V ±5%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 28-pin SSOP (Shrink Small Outline Package)  

### **Descriptions:**
The MAX197BCAI+ integrates an 8-channel multiplexer, a high-bandwidth track/hold amplifier, and a 12-bit successive-approximation ADC (SAR ADC). It is designed for precision data acquisition in industrial, medical, and instrumentation applications. The device supports both unipolar and bipolar input ranges and includes an internal reference (4.096V) or allows an external reference.

### **Features:**
- **High-Speed 12-Bit ADC:** 6µs conversion time.  
- **Flexible Input Configuration:** 8 single-ended or 4 differential inputs.  
- **On-Chip Track/Hold:** Eliminates the need for an external sample-and-hold circuit.  
- **Internal/External Reference:** Includes a 4.096V internal reference or supports an external reference.  
- **Low Power Consumption:** 10mW (typical) at 100ksps.  
- **Parallel Interface:** Easy interfacing with microprocessors.  
- **Software-Configurable Unipolar/Bipolar Modes:** Supports ±10V or 0V to +10V input ranges.  

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, a common cross for the MAX197 in data-acquisition designs.
  • LTC1298CN8 --: 12-bit multi-channel ADC with serial interface; suitable when the parallel bus of the MAX197 is not mandatory and a lower pin-count solution is acceptable.
  • ADS7841E --: 12-bit 4-channel ADC with simple serial control, widely available and cost-effective substitute for lower-channel-count MAX197 applications.

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