SI4020-I1-FT Silicon Laboratories Inc, SI4020-I1-FT Datasheet - Page 19

• Manufacturer Part Number: SI4020-I1-FT
• Description: IC TX FSK 915MHZ 5.4V 16-TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4020-I1-FT

• Package / Case: 16-TSSOP
• Frequency: 315MHz, 433MHz, 868MHz, and 915MHz
• Modulation Or Protocol: FSK, OOK
• Data Rate - Maximum: 256 kbps
• Current - Transmitting: 14mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.2 V ~ 5.4 V
• Operating Temperature: -40°C ~ 85°C
• Operating Frequency: 315 MHz to 915 MHz
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.2 V to 5.4 V
• Supply Current: 1.5 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Power - Output: -
• Applications: -
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1621-5

Note:
• Do not send CLK pulses with the TX data bits; otherwise they will be interpreted as commands.
• This mode is not SPI compatible, therefore it is not recommended in microcontroller mode.
• If the crystal oscillator and the PLL are running, the t
Data Transmit Sequence Through the FSK Pin
Data Transmit Sequence Through the SDI Pin
nSEL
SDI
SCK
FSK
Internal operations
ex, es, ea = 1
a0, a1 = 0
P o w e r M a n a g e m e n t C o m m a n d
C 0 h
synthesizer / PLL /
Xtal osc staus
instruction
PA status
d o n ' t c a r e
3 8 h
sx
+t
sp
delay is not needed.
t
sx *
t
sp *
synthesizer on, PLL locked, PA ready to transmit
xtal osc. stable
T X D A T A
NOTE:
* See page 6 for the timing values
Si4020
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