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TH71221 데이터시트(PDF) 30 Page - Melexis Microelectronic Systems

부품명 TH71221
상세설명  FSK/FM/ASK Transceiver
PDF  44 Pages
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제조업체  MELEXIS [Melexis Microelectronic Systems]
홈페이지  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

TH71221 데이터시트(HTML) 30 Page - Melexis Microelectronic Systems

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TH71221
27 to 930MHz
FSK/FM/ASK Transceiver
39010 071221
Page 30 of 44
Data Sheet
Rev. 009
Nov/15
6.6
AC Characteristics of the Transmitter Part
all parameters under normal operating conditions, unless otherwise stated;
typical values at Ta = 23 °C and VCC = 3 V;
all parameters based on test circuits for FSK (Fig. 14 to 15) and ASK (Fig. 16 to 17), respectively;
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Output power
fRF= 433.92MHz
P1
mode = transmit,
RPS = see para. 7.3
TXPOWER = 00
-7
dBm
fRF= 868.3MHz
-10
Output power
fRF= 433.92MHz
P2
mode = transmit,
RPS = see para. 7.3
TXPOWER = 01
1
dBm
fRF= 868.3MHz
-2
Output power
fRF= 433.92MHz
P3
mode = transmit,
RPS = see para. 7.3
TXPOWER = 10
6
dBm
fRF= 868.3MHz
3
Output power
fRF= 433.92MHz
P4
mode = transmit,
RPS = see para. 7.3
TXPOWER = 11
10
dBm
fRF= 868.3MHz
9
FSK deviation
fFSK
depends on Cx1, Cx2
and crystal parameters
2.5
25
80
kHz
FM deviation
fFM
please refer to the FM
circuit in the cookbook
6
kHz
Modulation frequency FM
fmod
10
kHz
PLL reference spurious emission
Pspur_PLL
-40
dBm
Harmonic emission
Pharm
-36
dBm
Start-up time
ton_TX
From standby to
transmit mode
1
1.5
ms
6.7
Serial Control Interface
Parameter
Symbol
Condition
Min
Max
Unit
SDTA to SCLK set up time
tCS
150
ns
SCLK to SDTA hold time
tCH
50
ns
SCLK pulse width low
tCWL
100
ns
SCLK pulse width high
tCWH
100
ns
SCLK to SDEN set up time
tES
100
ns
SDEN pulse width
tEW
100
ns
SDEN to SCLK hold time
tEH
100
ns
6.8
Crystal Parameters
Parameter
Symbol
Condition
Min
Max
Unit
Crystal frequency
fcrystal
fundamental mode, AT
3
12
MHz
Load capacitance
Cload
10
15
pF
Static capacitance
C0
5
pF
Equivalent series resistance
R1
180
Spurious response
aspur
only required for FSK
-10
dB



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