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MAX191BENG+ from MAXIM/DALLAS,MAXIM - Dallas Semiconductor

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MAX191BENG+

Manufacturer: MAXIM/DALLAS

Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down

Partnumber Manufacturer Quantity Availability
MAX191BENG+,MAX191BENG MAXIM/DALLAS 10 In Stock

Description and Introduction

Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down The **MAX191BENG+** is a high-performance, 12-bit analog-to-digital converter (ADC) manufactured by **Maxim Integrated (now part of Analog Devices)**. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Resolution:** 12-bit  
- **Sampling Rate:** 250 kSPS (kilo-samples per second)  
- **Input Channels:** 8 single-ended or 4 differential  
- **Input Voltage Range:** 0V to VREF (programmable reference)  
- **Reference Voltage:** Internal (2.5V) or external (1.25V to VDD)  
- **Power Supply:** +5V single supply  
- **Power Consumption:** 60mW (typical)  
- **Interface:** Parallel (8-bit or 12-bit)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
- The MAX191BENG+ is a **successive approximation register (SAR) ADC** with **low power consumption** and high accuracy.  
- It includes an **internal track/hold (T/H) circuit**, eliminating the need for an external sample-and-hold amplifier.  
- The device supports **unipolar or bipolar input ranges** (software-selectable).  
- It features a **programmable internal reference** and an external reference input for flexible voltage scaling.  

### **Features:**  
- **High-Speed Conversion:** 250kSPS throughput  
- **Low Power:** 60mW typical power consumption  
- **Flexible Input Configuration:** 8 single-ended or 4 differential inputs  
- **On-Chip Reference:** 2.5V internal reference with ±1% accuracy  
- **Parallel Interface:** Easy interfacing with microcontrollers or DSPs  
- **Software-Configurable:** Unipolar (0V to VREF) or bipolar (-VREF/2 to +VREF/2) operation  
- **No External T/H Required:** Built-in track-and-hold circuit  

This ADC is commonly used in **industrial control systems, data acquisition, medical instrumentation, and automotive applications**.  

*(Note: Maxim Integrated was acquired by Analog Devices in 2021, but legacy Maxim/Dallas parts remain available.)*

Application Scenarios & Design Considerations

Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down
Partnumber Manufacturer Quantity Availability
MAX191BENG+,MAX191BENG MAXIM 28 In Stock

Description and Introduction

Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down The MAX191BENG+ is a precision, 12-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Resolution:** 12-bit  
- **Sampling Rate:** 100 kSPS (kilo samples per second)  
- **Input Channels:** 8 single-ended or 4 differential  
- **Input Voltage Range:** 0V to VREF (programmable)  
- **Reference Voltage:** Internal 4.096V or external (2V to VDD)  
- **Supply Voltage (VDD):** +5V ±10%  
- **Power Consumption:** 5mW (typical)  
- **Interface:** Parallel  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin DIP (Dual In-line Package)  

### **Descriptions:**  
The MAX191BENG+ is a low-power, high-accuracy 12-bit ADC with an 8-channel multiplexer. It features an internal track/hold, voltage reference, and a high-speed parallel interface. It is designed for precision data acquisition applications in industrial, medical, and instrumentation systems.  

### **Features:**  
- **Low Power:** 5mW typical power consumption  
- **Internal Reference:** 4.096V with ±1% accuracy  
- **Flexible Input Configuration:** Supports single-ended or differential inputs  
- **No Missing Codes:** Ensures 12-bit accuracy  
- **On-Chip Track/Hold:** Eliminates the need for external circuitry  
- **Fast Conversion Time:** 6µs per channel  
- **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

Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down

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