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MAX703CSA

Low-Cost レP Supervisory Circuits with Battery Backup

Partnumber Manufacturer Quantity Availability
MAX703CSA 600 In Stock

Description and Introduction

Low-Cost レP Supervisory Circuits with Battery Backup The MAX703CSA is a low-power CMOS transceiver designed for use in the 300MHz to 450MHz frequency range. It is manufactured by Maxim Integrated.  

### **Key Specifications:**  
- **Frequency Range:** 300MHz to 450MHz  
- **Modulation:** ASK (Amplitude Shift Keying)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Current Consumption:**  
  - **Transmit Mode:** 8.5mA (typical)  
  - **Receive Mode:** 3.5mA (typical)  
- **Data Rate:** Up to 100kbps  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin SOIC  

### **Features:**  
- Integrated PLL (Phase-Locked Loop) for frequency synthesis  
- Low-power operation suitable for battery-powered applications  
- On-chip power amplifier (PA) with adjustable output power  
- Supports crystal or external reference oscillator  
- Built-in RSSI (Received Signal Strength Indicator) for signal monitoring  
- Minimal external components required for operation  

The MAX703CSA is commonly used in remote keyless entry (RKE), wireless sensors, and other short-range RF communication applications.

Application Scenarios & Design Considerations

Low-Cost レP Supervisory Circuits with Battery Backup
Partnumber Manufacturer Quantity Availability
MAX703CSA MAXIM 75 In Stock

Description and Introduction

Low-Cost レP Supervisory Circuits with Battery Backup The MAX703CSA is a low-power CMOS supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:  

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (2.63V, 3.08V, 4.38V, 4.63V)  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin SOIC  
- **Quiescent Current:** 5µA (typ)  

### **Descriptions:**  
The MAX703CSA monitors system voltage and provides a reset signal to the microprocessor when the supply voltage falls below a preset threshold. It ensures reliable system operation by preventing erratic behavior during power-up, power-down, or brownout conditions.  

### **Features:**  
- Precision voltage monitoring  
- Manual reset input  
- Low power consumption  
- Guaranteed reset output valid down to VCC = 1V  
- No external components required for fixed threshold versions  
- Adjustable threshold version available  

This device is commonly used in embedded systems, microcontrollers, and other applications requiring reliable power monitoring.

Application Scenarios & Design Considerations

Low-Cost レP Supervisory Circuits with Battery Backup
Partnumber Manufacturer Quantity Availability
MAX703CSA MAXIM 679 In Stock

Description and Introduction

Low-Cost レP Supervisory Circuits with Battery Backup The MAX703CSA is a low-power CMOS supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Quiescent Current:** 6µA (typical)  
- **Reset Threshold Options:** Adjustable or fixed (2.63V, 2.93V, 3.08V, 4.38V, 4.63V)  
- **Reset Timeout Period:** 140ms (minimum)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial)  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
- The MAX703CSA monitors system voltage and provides a reset signal to the microprocessor during power-up, power-down, or brownout conditions.  
- It includes a manual reset input for external triggering.  
- Designed for low-power applications, it ensures reliable system operation by preventing erratic behavior during voltage fluctuations.  

### **Features:**  
- **Low Power Consumption:** 6µA typical supply current.  
- **Adjustable or Fixed Reset Threshold:** Multiple voltage options available.  
- **Manual Reset Input:** Allows external reset control.  
- **Power-On Reset Delay:** Guarantees stable power before system start-up.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  

This information is based solely on the manufacturer's datasheet for the MAX703CSA.

Application Scenarios & Design Considerations

Low-Cost レP Supervisory Circuits with Battery Backup
Partnumber Manufacturer Quantity Availability
MAX703CSA MAX 22 In Stock

Description and Introduction

Low-Cost レP Supervisory Circuits with Battery Backup The MAX703CSA is a low-power, +5V RS-232/RS-485 transceiver manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage:** +5V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Data Rate:** Up to 120kbps (RS-485), 120kbps (RS-232)  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Interface Type:** RS-232, RS-485  
- **Package:** 8-pin SOIC  

### **Descriptions and Features:**  
- Combines both RS-232 and RS-485 transceivers in a single chip.  
- Low-power operation suitable for battery-powered applications.  
- ESD protection on RS-232 and RS-485 ports.  
- Half-duplex RS-485 communication.  
- Compatible with TIA/EIA-232-F and TIA/EIA-485-A standards.  
- Automatic slew-rate limiting for reduced EMI.  

For detailed electrical characteristics, refer to the official datasheet from Maxim Integrated.

Application Scenarios & Design Considerations

Low-Cost レP Supervisory Circuits with Battery Backup

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