Overview
The LTC6957IMS-3#PBF, produced by Analog Devices Inc., is a member of the LTC6957 family of low phase noise, dual output buffer/driver/logic level translators. This component is designed to buffer and distribute AC signals, including sine waves and logic levels, with minimal additive noise. It is particularly adept at translating sine wave signals to logic levels, making it ideal for applications requiring high signal integrity and low phase noise.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Frequency Range (fIN) | 300 | MHz | |||
| Input Signal Level Range, Single-Ended (VINSE) | 0.2 | 0.8 | 2 | VP-P | |
| Input Signal Level Range, Differential (VINDIFF) | 0.2 | 0.8 | 2 | VP-P | |
| Minimum Input Pulse Width High or Low (tMIN) | 0.5 | ns | |||
| Self-Bias Voltage, IN+, IN– (VINCM) | 1.8 | 2.06 | 2.3 | V | |
| Operating Supply Voltage Range (V+) | 3.15 | 3.3 | 3.45 | V | |
| Output Skew, CH1 to CH2 (tSKEW) | 5 | 120 | ps | ||
| Supply Current, Both Outputs Enabled (IS) | 24 | 27.5 | mA | ||
| Package Type | 12-Lead MSOP | ||||
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- Very low phase noise, making it suitable for high precision applications.
- Dual output buffer/driver/logic level translator with configurable output types: LVPECL, LVDS, and CMOS (in-phase for LTC6957-3).
- Input signal can be a sine wave or any logic level (≤2VP-P).
- Selectable lowpass filtering to minimize noise and increase signal slew rate.
- Low skew of 3ps typical between outputs.
- Operating supply voltage range of 3.15V to 3.45V.
- Fully specified from –40°C to 125°C.
- Available in 12-Lead MSOP and 3mm × 3mm DFN packages.
Applications
- System Reference Frequency Distribution.
- High Speed ADC, DAC, DDS Clock Driver.
- Military and Secure Radio.
- Low Noise Timing Trigger.
- Broadband Wireless Transceiver.
- High Speed Data Acquisition.
- Medical Imaging.
- Test and Measurement.
Q & A
- What is the primary function of the LTC6957IMS-3#PBF?
The primary function is to buffer and distribute AC signals, including sine waves and logic levels, with minimal additive noise.
- What are the available output logic signal types for the LTC6957 family?
The available output logic signal types are LVPECL, LVDS, and CMOS (in-phase for LTC6957-3).
- What is the input frequency range of the LTC6957IMS-3#PBF?
The input frequency range is up to 300 MHz.
- What is the operating supply voltage range for the LTC6957IMS-3#PBF?
The operating supply voltage range is 3.15V to 3.45V.
- What is the typical output skew between channels?
The typical output skew is 3ps.
- In what temperature range is the LTC6957IMS-3#PBF fully specified?
The component is fully specified from –40°C to 125°C.
- What are some common applications for the LTC6957IMS-3#PBF?
Common applications include system reference frequency distribution, high speed ADC, DAC, DDS clock drivers, military and secure radio, low noise timing triggers, broadband wireless transceivers, high speed data acquisition, medical imaging, and test and measurement.
- What package types are available for the LTC6957IMS-3#PBF?
The component is available in 12-Lead MSOP and 3mm × 3mm DFN packages.
- How does the LTC6957IMS-3#PBF minimize noise in the input signal?
The component uses selectable lowpass filtering to minimize noise and increase the signal slew rate.
- What is the minimum input pulse width for the LTC6957IMS-3#PBF?
The minimum input pulse width is 0.5 ns.
