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MAX1157AEUI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1157AEUI+

Manufacturer: MAXIM, MAXIM/DALLAS

14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range

Partnumber Manufacturer Quantity Availability
MAX1157AEUI+,MAX1157AEUI MAXIM, MAXIM/DALLAS 24 In Stock

Description and Introduction

14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range The MAX1157AEUI+ is a high-performance, 12-bit, 8-channel analog-to-digital converter (ADC) manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 differential  
- **Sampling Rate:** Up to 250ksps (kilosamples per second)  
- **Input Voltage Range:** 0V to VREF (programmable reference)  
- **Reference Voltage:** Internal 4.096V or external reference option  
- **Supply Voltage:** +5V (analog), +2.7V to +5.25V (digital)  
- **Power Consumption:** 6.5mW (at 250ksps, +5V supply)  
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial interface  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin TSSOP (MAX1157AEUI+)  

### **Descriptions:**
- The MAX1157AEUI+ is a low-power, high-speed, multichannel ADC with an internal track/hold (T/H) circuit.  
- It supports both single-ended and differential input configurations.  
- The device includes a precision reference and a flexible serial interface for easy microcontroller integration.  

### **Features:**
- **Low Power:** 6.5mW at full speed, with power-down modes for reduced consumption.  
- **High-Speed Sampling:** Up to 250ksps for fast data acquisition.  
- **Flexible Input Configuration:** 8 single-ended or 4 differential channels.  
- **Internal Reference:** 4.096V with low drift (15ppm/°C typical).  
- **SPI-Compatible Interface:** Simplifies digital interfacing.  
- **Small Footprint:** 28-pin TSSOP package for space-constrained applications.  

This information is based on Maxim Integrated's datasheet for the MAX1157AEUI+. For detailed specifications, refer to the official documentation.

Application Scenarios & Design Considerations

14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range

Alternative Part Number

  • AD781AANZ --: Pin-compatible 10-bit sampling ADC with similar throughput and TSSOP/DIP options; widely available and often used as a Maxim ADC replacement.
  • LTC1278-4 --: 10-bit parallel-output ADC with comparable speed and reference architecture, suitable as a functional substitute in data-acquisition designs.
  • ADC104S021CIMM --: 10-bit serial ADC with similar resolution and supply range; a practical alternative when board layout can accommodate a different interface.
  • ADP1829ARMZ-R7 --: Analog Devices is the successor to Maxim/Dallas; this synchronous buck controller offers comparable multi-phase regulation and is a strong drop-in style alternative for similar power designs.
  • LTC3855EUH#PBF --: Dual/multi-phase synchronous step-down controller with similar feature set and current-mode architecture, suitable as a functional replacement in comparable power supply applications.
  • ISL6367IRZ --: Multi-phase PWM buck controller with comparable voltage regulation capability, providing a viable cross-vendor alternative when the original Maxim part is unavailable.

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