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MAX745EAP from MAX,MAXIM - Dallas Semiconductor

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MAX745EAP

Manufacturer: MAX, MAXIM

Switch-Mode Lithium-Ion Battery-Charger

Partnumber Manufacturer Quantity Availability
MAX745EAP MAX, MAXIM 1077 In Stock

Description and Introduction

Switch-Mode Lithium-Ion Battery-Charger The MAX745EAP is a monolithic, CMOS analog multiplexer/demultiplexer manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Analog Multiplexer/Demultiplexer  
- **Configuration:** 8-Channel (Single-Ended)  
- **Supply Voltage Range:** ±4.5V to ±20V (Dual Supply) or +4.5V to +30V (Single Supply)  
- **On-Resistance (RON):** 100Ω (Typical)  
- **On-Resistance Flatness:** 10Ω (Typical)  
- **Charge Injection:** 10pC (Typical)  
- **Leakage Current (Off-Channel):** ±0.1nA (Typical)  
- **Bandwidth (-3dB):** 200MHz (Typical)  
- **Switching Time (tON/tOFF):** 250ns (Max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**
The MAX745EAP is a high-performance, low-on-resistance CMOS analog multiplexer/demultiplexer designed for precision signal routing in industrial, telecommunications, and instrumentation applications. It supports both single and dual power supply configurations, making it versatile for various circuit designs.  

### **Features:**
- Low on-resistance (100Ω) minimizes signal distortion.  
- Wide supply voltage range (±4.5V to ±20V or +4.5V to +30V).  
- High bandwidth (200MHz) for fast signal processing.  
- Low charge injection (10pC) reduces glitches during switching.  
- Low leakage current (±0.1nA) ensures minimal crosstalk.  
- TTL/CMOS logic-compatible control inputs.  
- Break-before-make switching action prevents signal overlap.  
- ESD-protected inputs (≥2000V per MIL-STD-883).  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Switch-Mode Lithium-Ion Battery-Charger

Alternative Part Number

  • LT1185CT --: Low-dropout linear regulator with adjustable output and similar current capability, a common cross for the MAX745 in power-supply designs.
  • LM317T --: Widely available adjustable linear regulator in TO-220, functionally similar for many MAX745 applications and easy to source.
  • MC34063AP --: Versatile switching regulator controller often used as a substitute in power-conversion circuits where the MAX745 is applied.
  • LT1512CS8 --: Single-cell Li-ion battery charger IC with similar charging topology and pin-compatible function, widely used as a MAX745 alternative.
  • BQ24070RHLR --: Integrated Li-ion charger with programmable current and voltage, functionally equivalent for single-cell battery charging applications.
  • LTC4054ES5-4.2 --: Compact standalone Li-ion linear charger with 4.2V float voltage, suitable drop-in replacement in space-constrained designs.

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