Overview
The LTC1744IFW#TRPBF is a high-performance 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to digitize high-frequency, wide dynamic range signals, making it ideal for demanding applications such as communications and signal processing. The LTC1744 features a pipelined architecture and operates at a sampling rate of 50 million samples per second (Msps).
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | LTC1744IFW#TRPBF |
| Number of Bits | 14 |
| Sampling Rate | 50 Msps |
| Input Type | Differential |
| Input Range | ±1V, ±1.6V (pin selectable), resistor programmable |
| Supply Voltage (Digital) | 5V |
| Supply Voltage (Analog) | 5V |
| Package | 48-TSSOP |
| Operating Temperature | -40°C to 85°C |
| SNR | 77 dB |
| Spurious Free Dynamic Range | 87 dB |
| Jitter | 0.3 ps RMS |
| Integral Non-Linearity (INL) | ±4 LSB maximum |
| Digital Interface Compatibility | 5V, 3V, 2V logic systems |
Key Features
- Pipelined architecture for high-speed conversion.
- Pin selectable input ranges of ±1V and ±1.6V, and a resistor programmable mode.
- Ultralow jitter of 0.3 ps RMS, enabling undersampling of IF frequencies with excellent noise performance.
- No missing codes over temperature, with ±4 LSB maximum INL.
- Compatible with 5V, 3V, and 2V logic systems.
- ENC and ENC inputs can be driven differentially from PECL, GTL, and other low swing logic families or single-ended TTL or CMOS.
- A separate output power supply can be operated from 0.5V to 5V.
- TSSOP package with a flow-through pinout simplifies board layout.
Applications
- Demanding communications applications.
- High-frequency signal processing.
- Undersampling of IF frequencies.
- Connection to low voltage DSPs or FIFOs.
- Any application requiring high-speed, high-accuracy analog-to-digital conversion.
Q & A
- What is the sampling rate of the LTC1744IFW#TRPBF?
The sampling rate is 50 Msps.
- What are the input ranges of the LTC1744IFW#TRPBF?
The input ranges are ±1V and ±1.6V, and it also has a resistor programmable mode.
- What is the package type of the LTC1744IFW#TRPBF?
The package type is 48-TSSOP.
- What is the operating temperature range of the LTC1744IFW#TRPBF?
The operating temperature range is -40°C to 85°C.
- What is the SNR of the LTC1744IFW#TRPBF?
The SNR is 77 dB.
- What is the spurious free dynamic range of the LTC1744IFW#TRPBF?
The spurious free dynamic range is 87 dB.
- What is the jitter of the LTC1744IFW#TRPBF?
The jitter is 0.3 ps RMS.
- Is the LTC1744IFW#TRPBF compatible with different logic systems?
Yes, it is compatible with 5V, 3V, and 2V logic systems.
- Can the ENC and ENC inputs be driven by different signal types?
Yes, they can be driven differentially from PECL, GTL, and other low swing logic families or single-ended TTL or CMOS.
- What is the range for the separate output power supply?
The separate output power supply can be operated from 0.5V to 5V.
