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MAX197BCAI from MAXIM,MAXIM - Dallas Semiconductor

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MAX197BCAI

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX197BCAI MAXIM, MAX 2531 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. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 differential analog inputs  
- **Conversion Time:** 6µs (typical)  
- **Sampling Rate:** 100ksps (kilo-samples per second)  
- **Input Voltage Range:** 0V to VREF (programmable)  
- **Reference Voltage:** Internal 4.096V or external (up to VDD)  
- **Supply Voltage (VDD):** +5V ±10%  
- **Power Consumption:** 10mW (typical)  
- **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, a 12-bit successive-approximation ADC (Analog-to-Digital Converter), and a precision voltage reference. It is designed for high-speed, low-power data acquisition applications.

### **Features:**  
- **Flexible Input Configuration:** Supports 8 single-ended or 4 differential inputs.  
- **On-Chip Reference:** Includes a 4.096V internal reference (adjustable via external reference).  
- **Low Power:** Consumes only 10mW (typical) at full speed.  
- **Software-Configurable:** Allows selection of input range (unipolar/bipolar) and power modes.  
- **Parallel Interface:** Compatible with 8-bit microprocessors.  
- **Internal Clock:** Eliminates the need for an external clock source.  
- **Auto-Shutdown Mode:** Reduces power consumption when idle.  

These details are based solely on the manufacturer's specifications for the MAX197BCAI.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AD7874ANZ --: Pin-compatible 12-bit multi-channel ADC with similar parallel interface and conversion timing, widely used as a MAX197 replacement.
  • LTC1290CCN --: 12-bit 8-channel sampling ADC with comparable serial/parallel interface and accuracy, suitable for similar data-acquisition designs.
  • ADS7841E --: 12-bit 4-channel ADC with similar resolution and interface, offering a lower-cost alternative for less channel-critical applications.
  • LTC1298CN8 --: 12-bit multi-channel ADC with serial interface; suitable when the parallel bus is not strictly required and offers good accuracy.

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