Overview
The LTC6957IMS-2#PBF, produced by Analog Devices Inc., is part of the LTC6957 family of very low phase noise, dual output AC signal buffer/driver/logic level translators. This component is designed to buffer and distribute any logic signal with minimal additive noise, making it particularly effective for translating sine wave signals to logic levels. The LTC6957-2 specifically features LVDS (Low Voltage Differential Signaling) logic outputs.
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 | |
| Input Resistance, Differential (RIN) | 1.5 | 2 | 2.5 | kΩ | |
| Input Capacitance, Differential (CIN) | 0.5 | pF | |||
| Operating Supply Voltage Range (V+ or VDD) | 3.15 | 3.3 | 3.45 | V | |
| Supply Current, Both Outputs Enabled | SD1 = SD2 = L | 24 | 27.5 | mA | |
| Output Current (LTC6957-2) | ±10 | mA |
Key Features
- Low Phase Noise: The LTC6957IMS-2#PBF is designed to provide very low phase noise, making it ideal for applications requiring high signal integrity.
- Dual Output Buffer/Driver: The component features dual output buffers/drivers, allowing for the distribution of signals to multiple destinations.
- Logic Level Translation: It can translate sine wave signals or any logic level (≤2V P-P) to LVDS logic outputs.
- Selectable Lowpass Filtering: The early amplifier stages have selectable lowpass filtering to minimize noise and enhance signal slew rate.
- Compact Packaging: Available in 12-Lead MSOP and 12-Lead DFN packages, making it suitable for space-constrained designs.
Applications
- High-Speed Data Transmission: Ideal for applications requiring low noise and high signal integrity, such as in high-speed data transmission systems.
- Telecommunications: Suitable for use in telecommunications equipment where low phase noise is critical.
- Test and Measurement Equipment: Used in test and measurement equipment to ensure accurate and reliable signal distribution.
- Industrial Control Systems: Can be used in industrial control systems where precise signal translation and distribution are necessary.
Q & A
- What is the primary function of the LTC6957IMS-2#PBF?
The primary function is to buffer and distribute AC signals with minimal additive noise, particularly translating sine wave signals to LVDS logic levels.
- What are the different output logic signal types available in the LTC6957 family?
The family includes LVPECL (LTC6957-1), LVDS (LTC6957-2), CMOS in-phase (LTC6957-3), and CMOS complementary (LTC6957-4) logic outputs.
- What is the input frequency range of the LTC6957IMS-2#PBF?
The input frequency range is up to 300 MHz.
- What is the typical operating supply voltage range for the LTC6957IMS-2#PBF?
The typical operating supply voltage range is 3.15V to 3.45V.
- What is the maximum output current for the LTC6957-2?
The maximum output current is ±10mA.
- What types of packaging are available for the LTC6957IMS-2#PBF?
It is available in 12-Lead MSOP and 12-Lead DFN packages.
- What is the significance of the selectable lowpass filtering in the LTC6957IMS-2#PBF?
The selectable lowpass filtering helps to minimize noise and enhance the signal slew rate, especially useful for slow slewing input signals.
- What are some common applications of the LTC6957IMS-2#PBF?
Common applications include high-speed data transmission, telecommunications, test and measurement equipment, and industrial control systems.
- What is the storage temperature range for the LTC6957IMS-2#PBF?
The storage temperature range is –65°C to 150°C.
- What is the junction temperature limit for the LTC6957IMS-2#PBF?
The junction temperature limit is 150°C.
