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MAX189BCPA from MAXIM,MAXIM - Dallas Semiconductor

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MAX189BCPA

Manufacturer: MAXIM, MAMX

+5V, Low-Power, 12-Bit Serial ADCs

Partnumber Manufacturer Quantity Availability
MAX189BCPA MAXIM, MAMX 84 In Stock

Description and Introduction

+5V, Low-Power, 12-Bit Serial ADCs The MAX189BCPA is a precision, low-dropout, low-quiescent-current linear regulator manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 3.3V (other variants available).  
- **Output Current:** Up to 50mA.  
- **Dropout Voltage:** 120mV (typical) at full load.  
- **Input Voltage Range:** 2.5V to 11.5V.  
- **Quiescent Current:** 15µA (typical).  
- **Load Regulation:** ±0.05% (typical).  
- **Line Regulation:** ±0.01%/V (typical).  
- **Package:** 8-pin PDIP.  
- **Operating Temperature Range:** -40°C to +85°C.  

### **Descriptions:**
- The MAX189BCPA is designed for battery-powered applications requiring low power consumption and high efficiency.  
- It features a low dropout voltage, making it suitable for systems with tight input-output differentials.  
- Includes internal current limiting and thermal shutdown protection.  

### **Features:**
- **Low Quiescent Current:** Ensures minimal power drain in standby mode.  
- **Low Dropout Voltage:** Maximizes efficiency in low-input-voltage conditions.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum output capacitors.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **Fixed Output Voltage:** Eliminates the need for external resistors.  

This regulator is ideal for portable electronics, medical devices, and other power-sensitive applications.

Application Scenarios & Design Considerations

+5V, Low-Power, 12-Bit Serial ADCs

Alternative Part Number

  • LTC1286CN8 --: Pin-compatible 12-bit serial ADC in 8-pin DIP with similar SPI interface and supply range, direct functional substitute.
  • ADC0832CCN --: 8-bit serial ADC in 8-pin DIP with similar serial interface; lower resolution but widely available and pin-compatible for many designs.
  • MCP3202-CI/P --: 12-bit SPI ADC in 8-pin DIP with comparable resolution and interface, suitable drop-in replacement with minor firmware adjustment.
  • LTC1595BCN8 --: Pin-compatible 12-bit serial DAC with similar INL and settling performance, widely available as a direct functional substitute.
  • AD7541AKN --: Classic 12-bit multiplying DAC in DIP package offering comparable resolution and accuracy for most MAX189BCPA applications.
  • DAC8043FPZ --: 12-bit serial-input DAC in DIP with low power consumption and similar architecture, suitable as a drop-in alternative with minor layout checks.

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