TH71101 View Datasheet(PDF) - Melexis Microelectronic Systems

Part Name

Description

Manufacturer

TH71101

315/433MHz FSK/ASK Receiver

Melexis Microelectronic Systems  

TH71101

315/433MHz

FSK/ASK Receiver

3.5 AC System Characteristics

all parameters under normal operating conditions, unless otherwise stated;

typical values at TA = 23 °C and VCC = 3 V,

RF at 433.92 MHz; SAW frond-end filter loss and IF at 10.7 MHz;

all parameters based on test circuits as shown in Fig. 2, Fig.3 and Fig. 5

Parameter

Symbol

Condition

Min

Receive Characteristics

Input sensitivity – FSK

(standard)

Input sensitivity – FSK

(narrow band)

Input sensitivity – ASK

Maximum input signal – FSK

Maximum input signal – ASK

Spurious emission

Image rejection

Start-up Parameters

Pmin, ST

Pmin, NB

Pmin, ASK

Pmax, FSK

Pmax, ASK

Pspur

∆Pimag

BIF = 180kHz,

∆f = ±20kHz,

4kbps NRZ,

BER ≤ 3⋅10-3, 6)

BIF = 30kHz,

∆f = ±5kHz,

4kbps NRZ,

BER ≤ 3⋅10-3, 6)

BIF = 180kHz,

4kbps NRZ,

BER ≤ 3⋅10-3, 6)

BER ≤ 3⋅10-3

GAIN_LNA = 1

BER ≤ 3⋅10-3

GAIN_LNA = 1

Crystal start-up time

Receiver start-up time

TXTL ENRX from 0 to 1

TRX ENRX from 0 to 1,

depends on data slicer

time constant,

valid data at output

PLL Parameters

VCO gain

Charge pump current

KVCO

ICP

6) incl. 3 dB loss of front-end SAW filter

Typ Max Unit

-104

dBm

-108

dBm

-110

dBm

0

dBm

-10

dBm

-70

dBm

45

dB

0.9

ms

TXTL

+

R4 · C17

250

MHz/V

60

µA

39010 71101

Rev. 018

Page 11 of 21

Data Sheet

Jun/13

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