LTC6951IUHF#PBF

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LTC6951IUHF#PBF

IC CLOCK SYNTHESIZER PLL 40QFN

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Specifications

Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
PLL Yes
Input Clock
Output CML, LVDS
NumberofCircuits 1
Ratio-Input:Output 1:5
Differential-Input:Output Yes/Yes
Frequency-Max 2.5GHz
Divider/Multiplier Yes/No
Voltage-Supply 3.15V ~ 3.45V
OperatingTemperature -40°C ~ 105°C
MountingType Surface Mount
Package/Case 40-WFQFN Exposed Pad

Overview

Description

LTC6951IUHF#PBF is Analog Devices’ (formerly Linear Technology) high-performance, PLL-based clock generator and distributor. It takes a reference clock and produces one or more low-jitter output clocks, suitable for feeding CPUs, FPGAs, SerDes, and other high-speed digital systems. Key points:
- Low jitter, fast lock, and clock multiplication/division capability
- Multiple outputs and configurable output formats (LVDS/LVPECL/HCSL, etc.)
- Simple control for frequency ratios and operation
- Power-efficient, suitable for industrial temperature ranges
The suffixes:
- IUHF denotes the specific package/temperature variant
- #PBF indicates Pb-free, RoHS-compliant manufacturing
For exact electrical specs, package details, and usage, refer to the LTC6951 datasheet and the product page.

Features

Here are the key features of LTC6951IUHF#PBF (high-performance clock generator/PLL):
- Low-jitter, high-precision clock synthesizer with PLL
- Programmable frequency (integer and fractional-N options) from a reference
- Multiple outputs with selectable formats (LVDS/LVPECL/CMOS) and adjustable drive
- Fast lock time with good output-to-output alignment
- Serial control interface for programming and status readback
- Low power operation over a wide temperature range
- RoHS-compliant, lead-free package (PBF) in a compact IUHF package
- Suitable for clock distribution and timing recovery in high-speed systems
For exact electrical specs, supply range, and package details, please consult the datasheet.

Package

LTC6951IUHF#PBF is in an 8-pin MSOP (MSOP-8) package, Pb-free/RoHS-compliant.

Pinout

- Pin count: 16 pins (16‑pin package variants like TSSOP/LQFP; Pb-free PBF suffix).
- Function: High‑precision PLL clock generator/jitter cleaner that takes a reference clock and produces a low‑jitter output clock (clock synthesis/distribution).

Manufacturer

Manufacturer: Analog Devices, Inc. (the LTC prefix comes from Linear Technology, which was acquired by Analog Devices in 2017; LTC-branded parts are still sold under ADI).
What kind of company: A multinational semiconductor company specializing in analog and mixed-signal integrated circuits (and related processing ICs).

Application

Applications areas of LTC6951IUHF#PBF:
- High-speed digital systems needing low-jitter clocks
- Clock distribution for FPGAs/ASICs and SerDes (PCIe, SATA, USB, Ethernet)
- Reference clock generation and jitter cleaning in telecom/network equipment
- Data-center, server, and storage timing networks
- Instrumentation, test equipment, and military/aerospace timing references
- Any design requiring multiple synchronized differential clock outputs with tight skew/jitter specs

Equivalent

Direct equivalents don’t exist; LTC6951IUHF#PBF is a specific clock-distribution buffer. To cross-reference, search by function (clock distribution buffer) on Digi-Key/Mouser. Closest families: Analog Devices’ own LTC6950/6952/6956 series, TI’s CDCLVC-series, and Renesas clock buffers. Use datasheets and cross-reference tools to match pinout, voltage, jitter, outputs, and packaging before substituting.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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