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MAX2451CSE from MAXIM,MAXIM - Dallas Semiconductor

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MAX2451CSE

Manufacturer: MAXIM, MAX

3V / Ultra-Low-Power Quadrature Demodulator
Partnumber Manufacturer Quantity Availability
MAX2451CSE MAXIM, MAX 676 In Stock

Description and Introduction

3V / Ultra-Low-Power Quadrature Demodulator The MAX2451CSE is a low-power intermediate frequency (IF) VGA (Variable Gain Amplifier) manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Package:** 16-pin Narrow SOIC (CSE suffix)  
- **Operating Voltage:** +4.5V to +5.5V  
- **Frequency Range:** 1MHz to 300MHz  
- **Gain Control Range:** 50dB (adjustable via analog voltage)  
- **Noise Figure:** 4.5dB (typical)  
- **Output IP3 (Third-Order Intercept):** +22dBm (typical)  
- **Current Consumption:** 12mA (typical)  
- **Operating Temperature Range:** 0°C to +70°C  

### **Description:**  
The MAX2451CSE is designed for use in wireless communication systems, providing variable gain amplification for IF signal processing. It features a wide dynamic range and low noise, making it suitable for applications such as cellular base stations, wireless LANs, and other RF/IF systems.  

### **Features:**  
- **Wide Gain Control Range:** 50dB linear-in-dB gain adjustment  
- **Low Noise Figure:** Optimized for high sensitivity  
- **High Linearity:** Ensures minimal signal distortion  
- **Single-Supply Operation:** Simplifies power requirements  
- **Analog Gain Control:** Adjustable via external voltage (0V to 1.4V)  
- **Low Power Consumption:** 12mA typical supply current  

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

Application Scenarios & Design Considerations

3V / Ultra-Low-Power Quadrature Demodulator

Alternative Part Number

  • LT5512EUF --: Active mixer in the same class with similar frequency range and supply voltage, suitable drop-in functional replacement with different naming.
  • AD8343ACPZ --: High-IP3 active mixer covering similar RF range, comparable gain and supply, a well-known alternative from a different series.
  • HMC688LP4E --: Wideband active mixer with similar conversion gain and supply requirements, usable as a functional substitute in many designs.
  • LMX2485ESQ --: PLL frequency synthesizer in the same functional class as the MAX2451, with comparable frequency range and serial programming interface; a common cross-vendor substitute.
  • ADF4113BRUZ --: Single-chip PLL synthesizer offering similar integer-N synthesis functionality and 3-wire serial control, suitable as a functional replacement.
  • SKY73101 --: Integrated PLL/VCO synthesizer covering similar frequency bands, usable as an alternative when the MAX2451 is unavailable.

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