Datasheet > PT4307-S

PT4307-S

更新时间： 2024-11-07 01:19:19

品牌	Logo	应用领域
普诚科技 - PTC		/
页数	文件大小	规格书
5页	343K
描述
Compact 315 MHz OOK/ASK Receiver

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PT4307-S 数据手册

PT4307

Compact 315 MHz OOK/ASK Receiver

DESCRIPTION

FEATURES

The PT4307 is a compact, fully integrated OOK/ASK

receiver with ±4 KV ESD (HBM) and ±1 KV ESD (CDM)

protections for 433.92 MHz frequency band, and just

requires few external components. The PT4307 consists of

a low-noise amplifier (LNA), image-rejection mixer (IRM),

built-in channel-select filter (CSF), OOK/ASK demodulator,

data filter, and data slicing comparator. The local oscillator

(LO) sub-system incorporates a monolithic VCO, ÷32

feedback divider, loop filter and fast start-up reference

oscillator to form a complete phase-locked loop-based

frequency synthesizer for single channel applications.



Normal operating of 4.3 mA at 315 MHz

Requires few external components

Achieves sensitivity of –114 dBm (peak ASK

signal level)



Supply voltage range: 2.4 to 5.5 V

Supports data rates up to 7.2 Kb/s

Wide input dynamic range with automatic gain

control handling



Image-rejection ratio of 25 dB

ESD protection levels up to ±4 KV HBM, ±400 V

MM and ±1 KV CDM

The PT4307 is available in an 8-pin SOP package and is

specified over the temperature range from –40 to +85 °C.

APPLICATIONS



Automotive Remote Keyless Entry (RKE)

Remote control

Garage door and gate openers

Suitable for applications that must adhere to either the

European ETSI-300-220 or the North American FCC

(Part 15) regulatory standard.

BLOCK DIAGRAM

XIN

Reference

Oscillator

PLL

VSS

ANT

CSF

(BPF)

Limiter

RSSI

CTH

Data Filter

(LPF)

Buffer

Amplifier

LNA

IRM

On-Chip

Regulator

VREG

VDD5

Tel: 886-2-66296288‧Fax: 886-2-29174598‧ http://www.princeton.com.tw‧2F, No. 233-1, Baociao Rd., Sindian Dist., New Taipei City 23145, Taiwan

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