Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection The part **DS1856E-030+** is manufactured by **Maxim Integrated (now part of Analog Devices)**.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (MAIXM)  
- **Type:** Digital Potentiometer  
- **Configuration:** Dual, 256 Taps  
- **Interface:** I2C  
- **Supply Voltage:** 2.7V to 5.5V  
- **Temperature Range:** -40°C to +85°C  
- **Package:** 10-TDFN (3x3mm)  
- **Resistance:** 30 kΩ  
- **Features:** Non-volatile memory, low power consumption  

This information is based on the manufacturer's datasheet for the DS1856E-030+.