Datasheet > 5L1503

5L1503

更新时间： 2024-11-08 14:57:59

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瑞萨 - RENESAS		/
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描述
MicroClock Programmable Clock Generator

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5L1503 数据手册

MicroClock Programmable

Clock Generator

5L1503

Datasheet

Description

The 5L1503 is a series of small form factor programmable clock

generators intended for low-power, consumer, battery powered

applications, wearable and smart devices.

Features

▪ Proactive Power Saving (PPS) features save power during the

end device power-down mode

▪ Dynamic Frequency Control (DFC) feature allows programming

up to 4 difference frequencies that switch dynamically

The device is a 1 PLL + DCO architecture design with an external

fundamental crystal or clock input. The device allows up to 3

unique frequency outputs. The 5L1503 has built-in unique

features such as Proactive Power Saving (PPS) and an extreme

low power DCO to support system date/time keeping clock at

32.768kHz. Dynamic Frequency Control (DFC) supports

dynamically changing between four different PLL frequencies via

external requests with controlled frequency changes, reducing

frequency overshoot and undershoot (ORT). The 5L1503S device

can also support a spread clock output for EMI reduction. For a

description of terms and their functions, see Glossary of Features.

▪ Multiple output clock amplitude (1V, 1.1V, 1.2V and 1.8V) to

support low swing clock requirement

▪ Dedicated 32kHz output with 6 clock amplitude options

(5L1503L)

▪ Configurable through OTP programming

▪ Spread spectrum clock support (5L1503S)

▪ 1.8V operating supply voltage

▪ 2 × 2 mm 10-VFQFPN package

Output Features

An internal OTP memory allows the user to store up to four

independent configurations that can be loaded on power-up

without programming.

▪ 3 LVCMOS outputs, 1MHz–100MHz or 32.768kHz

▪ Low-power 32.768kHz clock supported

The 5L1503 supports three LVCMOS type outputs with

VDDO1.8V, as well as various amplitude clocks. A low-power

32.768kHz clock is supported with only less than 1μA current

consumption for system RTC reference clock needs.

Key Specifications

▪ Output cycle-cycle jitter: 50ps (typ)

▪ Low power-on fully active mode: 2mA (typ)

▪ Low-power 32.768kHz < 1.0μA (5L1503L)

5L1503 Base

Number

VCO Range

(MHz)

Description

5L1503

5L1503L

5L1503S

Standard, External Crystal

Ultra Low-power, External Crystal

Spread Clock, External Crystal

50 – 130

500 –1100

Typical Applications

▪ SmartDevice

▪ Handheld

▪ Wearable applications

▪ Portable Consumer applications

December 20, 2021

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