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MAX1109CUB from MAX,MAXIM - Dallas Semiconductor

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MAX1109CUB

Manufacturer: MAX, MAXIM, MAXIM

Single-Supply / Low-Power / 2-Channel / Serial 8-Bit ADCs

Partnumber Manufacturer Quantity Availability
MAX1109CUB MAX, MAXIM, MAXIM 3045 In Stock

Description and Introduction

Single-Supply / Low-Power / 2-Channel / Serial 8-Bit ADCs The MAX1109CUB is a 10-bit, 8-channel analog-to-digital converter (ADC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 10-bit  
- **Channels:** 8 single-ended or 4 differential  
- **Supply Voltage:** +2.7V to +5.25V  
- **Conversion Rate:** 100ksps (kilo-samples per second)  
- **Interface:** SPI/QSPI/MICROWIRE-compatible  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10 µMAX (3mm x 5mm)  

### **Descriptions:**
- The MAX1109CUB is a low-power, multichannel ADC with a successive-approximation register (SAR) architecture.  
- It supports both single-ended and differential input configurations.  
- Designed for applications requiring high-speed, low-power data acquisition.  

### **Features:**
- **Low Power Consumption:**  
  - 1.5mA (at 100ksps, 3V supply)  
  - 1µA (shutdown mode)  
- **Internal Track/Hold (T/H) Circuit**  
- **Software-Configurable Inputs** (single-ended or differential)  
- **Internal 2.5V Reference** (or external reference support)  
- **SPI-Compatible Serial Interface** (3-wire mode)  
- **Small Footprint:** 10-pin µMAX package  

This ADC is commonly used in industrial control, medical instrumentation, and battery-powered systems.  

(Note: Always verify datasheet details for precise application requirements.)

Application Scenarios & Design Considerations

Single-Supply / Low-Power / 2-Channel / Serial 8-Bit ADCs

Alternative Part Number

  • AD7714ARZ --: Pin-compatible 24-bit sigma-delta ADC with similar serial interface and low-power operation, suitable drop-in replacement for precision measurement applications.
  • LTC2400CS8 --: 24-bit no-latency delta-sigma ADC offering comparable resolution and low noise performance in an 8-pin package, good functional substitute.
  • CS5532ASZ --: Low-noise 24-bit delta-sigma ADC with similar serial interface and gain stages, usable alternative when MAX1109 is unavailable.
  • CS5524-ASZ --: Multi-channel delta-sigma ADC with similar functionality and package options, suitable as a functional replacement.
  • ADM3202ARNZ --: Pin-compatible RS-232 transceiver with similar 3V/5V operation and dual drivers/receivers, widely available and often used as a MAX1109 substitute.
  • SP3223ECY --: RS-232 transceiver in the same small package class with comparable driver/receiver count and supply voltage range, suitable drop-in replacement.
  • ICL3221ECAZ --: Low-power RS-232 transceiver offering equivalent functionality and similar pinout, a viable alternative when MAX1109 is unavailable.

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