LTC6957IDD-2#TRPBF

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LTC6957IDD-2#TRPBF

+BOM

IC CLK BUFFER DVR 1:2 12DFN

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Specifications

Attribute Value
Supplier Analog Devices Inc.
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Type Fanout Buffer (Distribution)
Number of Circuits 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
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Overview

Description

The LTC6957IDD-2#TRPBF is a high-performance, low-jitter clock generation and distribution device from Linear Technology (now Analog Devices). It takes a reference clock, regenerates it with improved phase noise, and fans it out to multiple outputs for timing-critical digital systems. The -2 variant is a dual-output clock distributor (with outputs that can be formatted in LVDS, LVPECL, or HCSL and adjustable drive/skew), making it suitable for FPGA/SoC SERDES, memory interfaces, and backplanes. It includes internal timing circuitry (PLL/jitter cleaner) to reduce system jitter and ensure synchronized timing across devices. The -TRPBF suffix denotes Pb-free, tape-and-reel packaging, with IDD-2 indicating the package variant. For exact specifications—input voltage, reference frequency range, output formats, jitter performance, and programming options—consult the latest datasheet and supplier resources.

Equivalent

Direct equivalents depend on exact specs. LTC6957IDD-2#TRPBF is a specialized Analog Devices/Linear clock generator/distributor. There is no universal cross-reference. To suggest substitutes, please specify: required frequency range, output format (LVDS/LVCMOS), jitter tolerance, supply voltage, package, and Pb-free/T&R requirements. I can then propose closest functionally equivalent parts from TI, IDT, or ADI.

Pinout

Pin count: 32 pins (32‑lead package). Function: Dual-output, low‑jitter clock distribution buffer/driver (clock fanout) for distributing a reference clock to two outputs; -2 indicates the two-output variant.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI). The LTC6957 was originally from Linear Technology (LTC); ADI acquired Linear Technology in 2017, so the current maker is Analog Devices.
- What kind of company: A global semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits used across aerospace, communications, automotive, industrial, healthcare, and consumer electronics.

Application

Concise application areas for LTC6957IDD-2#TRPBF:
- High‑speed data communications equipment: clock distribution and low-skew timing for servers, switches, routers, and line cards
- SerDes/IO timing: PCIe, SATA, USB 3.x, 10/40/100 GbE and other high‑speed interfaces
- FPGA/ASIC timing: multiple synchronized outputs from a single reference
- Telecommunication infrastructure: base stations, gateways, and telecom optics
- Test, measurement, and instrumentation gear requiring clean reference clocks
- RF/IF and video processing equipment needing jitter‑robust clocking

Package

It uses an 8-lead MSOP package (MSOP-8), RoHS-compliant, and shipped in Tape & Reel lead-free form (TRPBF).

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