TH71081 查看數據表（PDF） - Unspecified
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TH71081 Datasheet PDF : 6 Pages
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TH71081
868/915MHz FASK/ATSraKn/sFmMitTterarn/sLmOitSteorurce
AC Characteristics
Ta = -40 to +85 °C,
Vcc = 2.1 to 5.5 V,
typical values at Ta = 23 °C
and Vcc = 3 V
(ENTX = 1, R2 = 47 kΩ , fc = 868.35 MHz, test circuit shown in Fig. 2)
Parameter
Symbol
Condition
Min
output power
Po
CW mode
max. data rate at
ASK
RASK
max. modulation
frequency at FM
fmod with external var-
actor between pin
RO and XTAL
FM deviation
reference spurs
∆fFM
Pref
adjustable with
varactor and VFM
@ fc ± fref
harmonic content
phase noise
Pharm
L
CW mode
@ fc ± 500kHz
VCO gain
kVCO
charge pump
ICP
current
start-up time
ton
transition from
ENTX = 0 to 1
Typ Max Unit
-1
dBm
40
kbit/s
20
kHz
±12
-40
-45
-87
300
±260
0.7
kHz
dBm
dBm
dBc/Hz
MHz/V
µA
ms
Output Power Selec-
tion
typical values at Ta = 23 °C
and Vcc = 3 V,
(ENTX = 1, fc = 433.6 MHz, test circuit shown in Fig. 2, C2 and C3 to adjust for Po and Pharm)
R2 / kΩ
≥ 68
56
47
39
27
Vps / V
Icc / mA
Po / dBm
Pharm/dBm
≥2
12.5
3.0
≤-36
1.2
9.5
0.5
≤-40
0.9
8.5
-1.0
≤-40
0.7
6.5
-4.0
≤-45
0.5
5.8
-8.0
≤-45
C2 / pF
TBD
TBD
TBD
TBD
TBD
C3 / pF
TBD
TBD
TBD
TBD
TBD
15
0.3
5.0
-12.0
≤-50
TBD
TBD
Rev. 1.0
Preliminary Datasheet
4
March 2000
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