14-Bit, 80Msps Low Noise ADC The LTC1748IFW is a high-speed, 14-bit analog-to-digital converter (ADC) manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Resolution:** 14-bit
- **Sampling Rate:** Up to 80 MSPS (Mega Samples Per Second)
- **Input Voltage Range:** ±0.5V (1Vpp differential)
- **SNR (Signal-to-Noise Ratio):** 74 dB (typical)
- **SFDR (Spurious-Free Dynamic Range):** 85 dB (typical)
- **Power Supply:** Single +5V
- **Power Consumption:** 750 mW (typical)
- **Input Bandwidth:** 300 MHz
- **DNL (Differential Nonlinearity):** ±0.5 LSB (max)
- **INL (Integral Nonlinearity):** ±1.5 LSB (max)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 48-Lead TSSOP
### **Descriptions:**
- The LTC1748IFW is a high-performance, low-power 14-bit ADC designed for high-speed signal acquisition.
- It features a pipelined architecture with digital error correction, ensuring high accuracy.
- The device includes an internal sample-and-hold circuit for precise signal capture.
- It supports differential inputs for improved noise immunity and signal integrity.
### **Features:**
- **High-Speed Performance:** 80 MSPS sampling rate for demanding applications.
- **Low Power:** Optimized for power-sensitive designs.
- **Wide Input Bandwidth:** Supports high-frequency signals up to 300 MHz.
- **Differential Inputs:** Reduces noise and improves dynamic range.
- **Internal Reference:** Includes a 1.25V reference for simplified design.
- **Digital Outputs:** CMOS-compatible with optional output data formatting.
- **Single +5V Supply:** Simplifies power management.
- **48-Lead TSSOP Package:** Compact footprint for space-constrained applications.
This ADC is commonly used in communications, medical imaging, and high-speed data acquisition systems.
(Note: Always refer to the official datasheet for the most accurate and updated information.)
