14-Bit, 80Msps Low Power 3V ADC The LTC2249CUH#PBF 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 based on factual data:
### **Specifications:**
- **Resolution:** 14-bit
- **Sampling Rate:** 25 MSPS (Mega Samples Per Second)
- **Input Type:** Differential
- **Input Voltage Range:** 2 Vpp (Volts peak-to-peak)
- **Power Supply:** Single 3.3V
- **Power Consumption:** 110 mW (typical)
- **SNR (Signal-to-Noise Ratio):** 73.5 dB (typical)
- **SFDR (Spurious-Free Dynamic Range):** 85 dB (typical)
- **DNL (Differential Nonlinearity):** ±0.5 LSB (max)
- **INL (Integral Nonlinearity):** ±1.5 LSB (max)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 32-Lead QFN (5mm × 5mm)
### **Descriptions:**
- The LTC2249CUH#PBF is a low-power, high-speed ADC designed for applications requiring high dynamic performance.
- It features a differential pipelined architecture with digital error correction, ensuring high accuracy.
- The device includes an internal reference and a sample-and-hold circuit, simplifying system design.
- It is RoHS-compliant and operates over a wide industrial temperature range.
### **Features:**
- **High-Speed Performance:** 25 MSPS sampling rate with excellent linearity.
- **Low Power:** Consumes only 110 mW at full speed.
- **Wide Input Bandwidth:** Supports high-frequency signal acquisition.
- **Flexible Input Range:** 2 Vpp differential input with adjustable common-mode voltage.
- **Integrated Reference:** Eliminates the need for an external reference.
- **Serial Interface:** SPI-compatible for configuration and control.
- **Small Footprint:** Compact 32-lead QFN package for space-constrained designs.
This ADC is commonly used in **communications, medical imaging, instrumentation, and industrial applications** where high resolution and speed are required.
(Note: All details are based on the manufacturer’s datasheet.)
