Si4012-C1-GT Silicon Laboratories Inc, Si4012-C1-GT Datasheet - Page 13
Si4012-C1-GT
Manufacturer Part Number
Si4012-C1-GT
Description
RF Transmitter 27-960 MHz RF Transmitter
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI4012-C1-GT.pdf
(50 pages)
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Tune with
Notes:
Standby
Sensor
without
Mode
Shut-
down
Tune
XO
XO
1. The LC, DIV, and PA are turned on as needed during the Tune operation.
2. See the tune section from Tune Start to PA Tune in the charts below for current consumption in Tune with XO and Tune
3. The current consumption at Standby and Sensor does not include the power consumed by the internal XO circuitry. XO
4. The response time assumes external XO stays enabled prior to TX.
without XO.
should be turned off with SET_PROPERTY/CHIP_CONFIG to save power if external XO is not used or if tuning is not
happening soon when external XO is present.
Digital
LDO
OFF
ON
SMBUS
OFF
ON
ON
ON
ON
SLOW
FAST
FAST
FAST
CLK
SYS
OFF
Circuit Blocks
LBD LC XTAL DIV
OFF OFF
OFF OFF
OFF ON
OFF ON
ON
Table 7. Power Modes
OFF
1
1
OFF
OFF
OFF
OFF
ON
Rev 0.2
OFF OFF
OFF OFF 600 µA
OFF OFF 610 µA
ON
ON
1
1
ON
ON
PA
1
1
10 nA
Note
Note
I
VDD
2
2
3
3
(without XO)
Time to TX
Response
22.2 ms
6.6 ms
6.6 ms
370 µs
—
Response Time
(with XO Early
Si4012
Enable)
22.2 ms
6.6 ms
6.6 ms
370 µs
to TX
—
4
4
13
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