1.6GHz Low Noise, Low Distortion Differential ADC Driver for DC-140MHz The LTC6401CUD-26 is a high-speed, low-noise differential amplifier manufactured by Linear Technology (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Linear Technology (LT)
- **Part Number:** LTC6401CUD-26
- **Package:** 16-Lead QFN (4mm × 4mm)
- **Supply Voltage Range:** 2.7V to 5.25V
- **Gain Features:**
- **Bandwidth:** 1.8GHz (-3dB)
- **Gain:** Fixed 26dB (20V/V)
- **Noise Figure:** 2.3dB (at 100MHz)
- **Input-Referred Noise:** 1.1nV/√Hz
- **Output Voltage Swing:** ±2.1V (differential, 50Ω load)
- **Slew Rate:** 8000V/µs
- **Input Common-Mode Range:** 0.5V to VCC - 0.5V
- **Output Common-Mode Voltage:** Adjustable (via VOCM pin)
- **Operating Temperature Range:** -40°C to +85°C
### **Descriptions:**
- The LTC6401CUD-26 is a fully differential amplifier optimized for high-speed signal conditioning in RF and IF applications.
- It provides a fixed gain of 26dB (20V/V) and maintains excellent linearity and noise performance.
- The device is designed for driving high-speed ADCs, DACs, and differential transmission lines.
- It includes internal feedback resistors for stable operation and requires minimal external components.
### **Features:**
- **High Bandwidth:** 1.8GHz for wideband signal processing.
- **Low Noise Figure:** 2.3dB at 100MHz, suitable for sensitive RF applications.
- **Adjustable Output Common-Mode Voltage:** Allows interfacing with ADCs and DACs.
- **Fully Differential Inputs and Outputs:** Reduces even-order harmonics and common-mode noise.
- **Single-Ended-to-Differential Conversion:** Capable of converting single-ended signals to differential outputs.
- **Low Distortion:** Maintains high linearity for demanding applications.
- **Small Footprint:** 16-Lead QFN package for space-constrained designs.
This information is based solely on the manufacturer's datasheet and technical documentation.
