14-Bit, 80Msps Low Power 3V ADC The LTC2249CUH is a high-performance 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:** 25 MSPS (Mega Samples Per Second)
- **Input Type:** Differential
- **Input Voltage Range:** 2 Vpp (peak-to-peak)
- **Power Supply:** Single 3.3V
- **Power Consumption:** 110 mW (typical)
- **SNR (Signal-to-Noise Ratio):** 74.5 dB (typical)
- **SFDR (Spurious-Free Dynamic Range):** 90 dB (typical)
- **DNL (Differential Non-Linearity):** ±0.5 LSB (max)
- **INL (Integral Non-Linearity):** ±1.5 LSB (max)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 32-Lead QFN (5mm × 5mm)
### **Descriptions:**
- The LTC2249CUH is a low-power, high-speed 14-bit ADC designed for precision signal acquisition.
- It features a differential pipeline architecture with digital error correction, ensuring high accuracy.
- The device includes an internal reference and a sample-and-hold circuit for ease of use.
- It is suitable for applications requiring high dynamic performance and low power consumption.
### **Features:**
- **Low Power:** 110 mW at 25 MSPS
- **High Dynamic Performance:** Excellent SNR and SFDR
- **Flexible Input Range:** Adjustable full-scale range
- **Internal Reference:** No external reference required
- **LVDS (Low-Voltage Differential Signaling) Outputs:** For low-noise data transmission
- **Pin-Compatible Family:** Available in 12-bit and 14-bit versions
- **Small Form Factor:** 32-lead QFN package
This ADC is commonly used in communication systems, medical imaging, instrumentation, and other high-speed data acquisition applications.
(Note: Specifications are based on the datasheet; verify with the latest documentation for updates.)
