Overview
The LTC1746IFW#TRPBF is a high-performance, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for digitizing high-frequency, wide dynamic range signals and is particularly suited for demanding applications such as telecommunications, medical imaging, and spectrum analysis. The ADC features a pipelined architecture, offering a sampling rate of 25 million samples per second (Msps) and excellent AC performance characteristics.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Number of Channels | 1 Channel |
| Sampling Rate | 25 Msps |
| Input Type | Differential/Single-Ended |
| Architecture | Pipeline |
| Reference Type | Internal |
| Package / Case | 48-Pin TSSOP |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 5 V |
| Power Dissipation | 390 mW |
| Operating Temperature | -40°C to 85°C |
| SNR (Signal to Noise Ratio) | 77.5 dB (3.2V Range), 74 dB (2V Range) |
| SFDR (Spurious Free Dynamic Range) | 91 dB (3.2V Range), 96 dB (2V Range) |
| INL (Integral Nonlinearity) | ±3 LSB |
| DNL (Differential Nonlinearity) | 0.5 LSB |
| Full Power Bandwidth S/H | 240 MHz |
Key Features
The LTC1746IFW#TRPBF boasts several key features that make it an ideal choice for high-performance applications:
- High Sampling Rate: 25 Msps sampling rate, suitable for high-frequency signal processing.
- Excellent AC Performance: 77.5 dB SNR and 91 dB SFDR in the 3.2V range, and 74 dB SNR and 96 dB SFDR in the 2V range.
- Low Power Dissipation: 390 mW power consumption, making it energy-efficient.
- Selectable Input Ranges: Pin-selectable input ranges of ±1V and ±1.6V, and a resistor-programmable mode for flexibility.
- No Missing Codes: Ensures accurate conversion without missing codes over the temperature range.
- Low Jitter: Ultralow jitter of 0.3 ps RMS, allowing for undersampling with excellent noise performance.
- Flexible Digital Interface: Compatible with 5V, 3V, and 2V logic systems, and can be driven by PECL, GTL, TTL, or CMOS logic families.
- Convenient Packaging: 48-Pin TSSOP package with a flow-through pinout, simplifying board layout.
Applications
The LTC1746IFW#TRPBF is versatile and can be applied in various demanding fields, including:
- Telecommunications: For high-speed data conversion in communication systems.
- Medical Imaging: In medical imaging equipment where high-resolution and fast sampling rates are crucial.
- Receivers and Cellular Base Stations: For signal processing in wireless communication systems.
- Spectrum Analysis: In instruments that require high dynamic range and accuracy.
- Imaging Systems: In various imaging applications where high-speed and high-resolution data conversion is necessary.
Q & A
- What is the sampling rate of the LTC1746IFW#TRPBF?
The sampling rate of the LTC1746IFW#TRPBF is 25 Msps.
- What is the resolution of the LTC1746IFW#TRPBF?
The resolution of the LTC1746IFW#TRPBF is 14 bits.
- What are the selectable input ranges for the LTC1746IFW#TRPBF?
The LTC1746IFW#TRPBF has pin-selectable input ranges of ±1V and ±1.6V, and a resistor-programmable mode.
- What is the power dissipation of the LTC1746IFW#TRPBF?
The power dissipation of the LTC1746IFW#TRPBF is 390 mW.
- What is the operating temperature range of the LTC1746IFW#TRPBF?
The operating temperature range of the LTC1746IFW#TRPBF is -40°C to 85°C.
- Is the LTC1746IFW#TRPBF compatible with different logic systems?
Yes, the LTC1746IFW#TRPBF is compatible with 5V, 3V, and 2V logic systems.
- What is the full power bandwidth of the sample and hold (S/H) of the LTC1746IFW#TRPBF?
The full power bandwidth of the S/H is 240 MHz.
- Does the LTC1746IFW#TRPBF have any missing codes?
No, the LTC1746IFW#TRPBF does not have any missing codes over the temperature range.
- What is the jitter performance of the LTC1746IFW#TRPBF?
The LTC1746IFW#TRPBF has an ultralow jitter of 0.3 ps RMS.
- In what package is the LTC1746IFW#TRPBF available?
The LTC1746IFW#TRPBF is available in a 48-Pin TSSOP package.
