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參數(shù)資料
| 型號： | ASCELL3912 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | ER 10C 10#16 SKT RECP LINE |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO20 |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大小： | 122K |
| 代理商： | ASCELL3912 |
ISM 868 MHz, 433 MHz and 315 MHz FSK Receiver Cell – Preliminary Data Sheet
ASCell3912
Rev. A, February 2000
Page 10 of 14
Austria Mikro Systeme International AG
2.3
TA = 23 °C, VDD, AVDD = 3.6 V, unless specified otherwise. Devive functional for TA= -40 to
+85 °C.
Receiver Operation
Symbol
Parameter
Conditions / Notes
Min
Typ
Max
Units
F
C
Carrier Frequency
Depends on different external
crystals.
315.000
433.920
868.300
MHz
MHz
MHz
kHz
R
in
F
Input impedance
Capacitive part t.b.d.
200~ 400
Nominal FSK frequency devia-
tion
315, 433.92, 868.3MHz
61
69
F
xosc
Crystal oscillator (XOSC) fre-
quency
315,000 MHz: max +/- 50ppm
433.920 MHz: max +/- 50ppm
868.300 MHz: max +/-25ppm
19,6875
13.5600
13.5672
MHz
MHz
MHz
TF
xosc
Crystal oscillator (XOSC) fre-
quency tolerance
315,000 MHz: (-40~+85 °C),
433.920 MHz: (-40~+85 °C),
868.300 MHz: (-40~+85 °C).
50
50
25
ppm
ppm
ppm
D
R,gross
RF
Sens
RF
SensT
Gross Data Rate
Including protocol.
18.235
kbps
1)
Receiver sensitivity
-10 °C<TA<+70 °C
-96
-100
dBm
Temperature sensitivity reduc-
tion
-40<TA<-10 °C. or
+70>TA>+85 °C.
4
dB
RF
Sens
F
offim
Receiver sensitivity reduction
caused by frequency offset
@maximum receiver sensitiv-
ity reduction @ 44 kHz offset
7
dB
RF
SensLNA
Sensitivity reduction caused
by LNA gain switching
10
dB
BI
200KHz
2)
Blocking immunity
200 kHz – 1 MHz
Without external filter.
0
dB
BI
1MHz
2)
Blocking immunity
1-10 MHz
Without external filter
21
dB
BI
10MHz
2)
Blocking immunity @
>10 MHz
Without external filter
63
dB
P
LOfeed
LO @ F
C
power available at
LC+ and LC- nodes
-28
dBm
1)
Standard Receive Quality (SRQ): Message reception successfully finished after <80 ms in 80% of all transmission
trails.
CW blocking signal relative to applied useful signal with –94dBm power level and SRQ.
Measured without frequency offset and at +25 °C
2)
Receiver Timing
Symbol
Parameter
Conditions / Notes
Min
Typ
Max
Units
T
Dni
Time to received FSK data
Configured for fast response
(receiver sleep time = 0)
27
80
ms
T
Dwi
Time to received FSK data
Using low idle duty cycle the
(receiver sleep time >0)
40
92
ms
T
stop
RX switch off time
Timeout for comfort functions
30
ms
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