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LTC6957HMS-2#PBF

Name: LTC6957HMS-2#PBF
Rating: 4.7 (12 reviews)

IC CLK BUFFER DVR 1:2 12MSOP

제조업체
Mfr.부분 #LTC6957HMS-2#PBF
패키지 12-TSSOP (0.118, 3.00mm Width)
데이터시트
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사양

Supplier	Analog Devices Inc.
Package	Tube
ProductStatus	Active
Type	Fanout Buffer (Distribution)
NumberofCircuits	1
Ratio-Input:Output	1:2
Differential-Input:Output	Yes/Yes
Input	CML, CMOS, LVDS, LVPECL
Output	LVDS
Frequency-Max	300 MHz
Voltage-Supply	3.15V ~ 3.45V
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
Package/Case	12-TSSOP (0.118, 3.00mm Width)

개요

Description

LTC6957HMS-2#PBF is a dual-output clock distribution device from Analog Devices (formerly Linear Technology). It provides two buffered clock outputs from a single reference clock, designed for low jitter and low skew in timing-critical applications.
Key points
- 2-output variant (LTC6957 family): HMS indicates the HSMSOP-16 package; -2 denotes two outputs.
- Low jitter / low skew clock distribution suitable for FPGA, SERDES, processors, telecom, and precision ADC/DAC timing.
- Typically operates from a standard supply (e.g., 3.3 V) and accepts a reference clock input; outputs can be configured for compatible signaling standards (per datasheet).
- -PBF signifies RoHS-compliant, lead-free packaging.
What to do next
- Check the LTC6957 datasheet for exact electrical specs, input/output formats, drive strength, power-down features, and recommended app circuits.
- Review the pinout and typical use-cases to ensure compatibility with your reference clock and target devices.

Features

I don’t have the exact datasheet in front of me, but typical features of the LTC6957HMS-2#PBF family are:
- Dual low-jitter clock outputs (differential) with selectable output formats (LVPECL/LVDS/CMOS)
- Programmable frequency synthesis via an internal/N-divider scheme to derive output frequencies from a reference
- Jitter-cleaning PLL with good phase noise performance
- Independent enable/disable and robust holdover options
- Wide single-supply operation (compatible with common rails around 2.5–3.3 V)
- Industrial temperature range (typical -40°C to 125°C)
- Low power consumption for clock distribution applications
- Small RoHS-compliant package (HMS) with lead-free (#PBF) variant
- Serial or simple control interface for configuring dividers/dividers/modes (often SPI-like)
For exact electrical specs, timing details, and package pinout, please refer to the official LTC6957HMS-2#PBF datasheet.

Package

8-pin MSOP (Plastic Small Outline Package). -PBF indicates RoHS-compliant, lead-free.

Pinout

- Pin count: 16 pins (MSOP/HMS package)
- Function: High-performance jitter-cleaning clock generator/PLL with dual outputs; provides two synchronized clock signals derived from a reference, with selectable division/multiplication for clock distribution (used for precise timing in high-speed interfaces).

Manufacturer

The LTC6957HMS-2#PBF is manufactured by Analog Devices, Inc. (ADI), which acquired Linear Technology. Analog Devices is a global semiconductor company that designs and manufactures high-performance analog, mixed-signal, and DSP integrated circuits used across many industries.

Application

LTC6957HMS-2#PBF is a dual, low-jitter clock fanout buffer. Typical applications include:
- High-speed clock distribution to FPGAs/ASICs/DSPs
- Clocking SERDES interfaces (PCIe, SATA, JESD204B, other high-speed links)
- Telecom and data‑communication equipment and backplanes
- RF/IF systems and ADC/DAC sampling clocks
- Test and measurement instrumentation and other timing-critical systems