SI4012 Silicon Laboratories, SI4012 Datasheet - Page 6

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SI4012

Manufacturer Part Number
SI4012
Description
CRYSTAL-LESS RF TRANSMITTER
Manufacturer
Silicon Laboratories
Datasheet
www.DataSheet.co.kr
Si4012
Table 3. Si4012 RF Transmitter Characteristics (Continued)
(TA = 25° C, VDD = 3.3 V, RL = 550 , unless otherwise noted)
6
Parameter
Transmit Power
Notes:
PA Edge Ramp Rate
Programmable Range
Data Rate
1. The frequency range is continuous over the specified range.
2. The frequency step size is limited by the frequency noise.
3. Optimum differential load is equal to 4 V/(11.5mA/2 * 4/PI) = 550 Therefore the antenna load resistance in parallel
with the Si4012 differential output resistance should equal 600 
3
Symbol
supply, with optimum differential
supply, with optimum differential
power, with optimum differential
power, with optimum differential
Power variation vs temp and
Power variation vs temp and
Maximum programmed Tx
Minimum programmed TX
Transmit power step size
from –13 to 6.5 dBm
load, V
load, V
load, V
Test Condition
V
OOK mode
DD
Rev 0.1
load,
OOK
FSK
DD
DD
DD
> 2.2 V
> 2.2 V
> 2.2 V
> 1.8 V
–1.0
–2.5
0.34
Min
0.1
0.1
0.25
Typ
–13
10
Max
10.7
100
0.5
0.5
50
kbaud
kbaud
dBm
dBm
Unit
dB
dB
dB
us
Datasheet pdf - http://www.DataSheet4U.net/

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