SOT23 / Very High Precision / 3V/5V Rail-to-Rail Op Amps The MAX4237BESA is a precision, low-noise, low-drift operational amplifier (op-amp) manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features:
### **Specifications:**
- **Supply Voltage Range:** ±1.35V to ±5.5V (Dual Supply), 2.7V to 11V (Single Supply)
- **Input Offset Voltage:** 10µV (max)
- **Input Offset Voltage Drift:** 0.1µV/°C (typ)
- **Input Bias Current:** 10nA (max)
- **Gain Bandwidth Product (GBW):** 1MHz (typ)
- **Slew Rate:** 0.5V/µs (typ)
- **Common-Mode Rejection Ratio (CMRR):** 130dB (typ)
- **Power Supply Rejection Ratio (PSRR):** 130dB (typ)
- **Quiescent Current:** 500µA (max) per amplifier
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 8-pin SOIC (MAX4237BESA)
### **Descriptions:**
The MAX4237BESA is a high-precision, low-noise op-amp designed for applications requiring excellent DC accuracy and stability. It features ultra-low offset voltage and drift, making it suitable for instrumentation, medical equipment, and sensor signal conditioning. The device operates from a single or dual supply and offers rail-to-rail output swing.
### **Features:**
- Ultra-low input offset voltage (10µV max)
- Low noise: 1.1µVp-p (0.1Hz to 10Hz)
- Low input bias current (10nA max)
- Rail-to-rail output swing
- High CMRR and PSRR (130dB)
- Low quiescent current (500µA max per amp)
- Stable with capacitive loads up to 300pF
- Single or dual-supply operation
The MAX4237BESA is ideal for precision signal amplification in industrial, medical, and test equipment applications.
