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MAX1258BETM+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1258BETM+

Manufacturer: MAXIM, MAXIM/DALLAS

12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports

Partnumber Manufacturer Quantity Availability
MAX1258BETM+ MAXIM, MAXIM/DALLAS 2380 In Stock

Description and Introduction

12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports The MAX1258BETM+ is a high-speed, multichannel, simultaneous-sampling analog-to-digital converter (ADC) manufactured by Maxim Integrated (formerly Dallas Semiconductor). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated/Dallas  
- **Part Number:** MAX1258BETM+  
- **Package:** 48-Pin TQFP  
- **Resolution:** 14-bit  
- **Channels:** 8 (simultaneous sampling)  
- **Sampling Rate:** 1.5Msps (per channel)  
- **Input Voltage Range:** ±5V (bipolar)  
- **Power Supply:** +5V (analog), +3V (digital)  
- **DNL (Differential Nonlinearity):** ±1 LSB (max)  
- **INL (Integral Nonlinearity):** ±2 LSB (max)  
- **SNR (Signal-to-Noise Ratio):** 78dB (typ)  
- **THD (Total Harmonic Distortion):** -85dB (typ)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The MAX1258BETM+ is a 14-bit, 8-channel, simultaneous-sampling ADC designed for high-speed data acquisition applications.  
- It includes track-and-hold (T/H) circuits for each channel, ensuring simultaneous sampling accuracy.  
- The device operates with a single +5V analog supply and a +3V digital supply, making it suitable for mixed-signal systems.  
- It features a parallel interface for high-speed data transfer and supports both unipolar and bipolar input ranges.  

### **Features:**
- **Simultaneous Sampling:** All 8 channels sampled at the same instant.  
- **High-Speed Conversion:** 1.5Msps per channel.  
- **Low Power Consumption:** 415mW (typ) at full speed.  
- **Internal Reference:** 4.096V (or external reference option).  
- **Flexible Input Range:** ±5V (bipolar) or 0V to +5V (unipolar).  
- **On-Chip FIFO:** 32-word deep FIFO per channel for data buffering.  
- **Digital Interface:** Parallel output with byte-selectable modes.  
- **Power-Down Modes:** Reduces power consumption when idle.  

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

Application Scenarios & Design Considerations

12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports

Alternative Part Number

  • AD7656BSTZ --: Six-channel 16-bit simultaneous-sampling ADC with similar functionality and SPI interface, suitable as a high-performance replacement.
  • ADS8556IPM --: Six-channel 16-bit SAR ADC with parallel and serial interfaces, closely matching the MAX1258 channel count and resolution.
  • LTC2358ILX-16 --: Eight-channel 16-bit simultaneous-sampling ADC offering comparable performance and flexible serial interface for similar applications.
  • AD7606BSTZ --: 8-channel 16-bit simultaneous-sampling ADC with integrated analog front end, functionally similar to the MAX1258 and widely available.
  • ADS8588SIPM --: 8-channel 16-bit simultaneous-sampling ADC with similar performance and pin-compatible style interface, a strong drop-in candidate.
  • LTC2348ILX-18 --: 8-channel 18-bit simultaneous-sampling ADC offering higher resolution as an upgrade path for the MAX1258.

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