SI4020-I1-FT Silicon Laboratories Inc, SI4020-I1-FT Datasheet - Page 8

• 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

AC Characteristics
All notes for table above are on page 7.
f
f
t
t
I
P
P
P
P
C
Q
L
BR
BR
df
C
t
t
t
t
C
t
ref
o
lock
sp
OUT
POR
sx
PBt
wake-up
r, f
out
maxL
maxH
out
sp
o
o
xl
in, D
Symbol
fsk
FSK
OOK
PLL reference frequency
Output frequency (programmable)
PLL lock time
PLL startup time
Open collector output current (Note 3)
Available output power
(315 and 433 MHz band)
Available output power
(868 and 915 MHz band)
Typical output power
Spurious emission
Output capacitance (set by the
automatic antenna tuning circuit)
Quality factor of the output
capacitance
Output phase noise
FSK bit rate
OOK bit rate
FSK frequency deviation
Crystal load capacitance
See Crystal Selection Guidelines
Internal POR timeout
(Note 6)
Crystal oscillator startup time
Wake-up timer clock accuracy
Programmable wake-up time
Digital input capacitance
Digital output rise/fall time
Parameter
Crystal operation mode is parallel (Note 2)
315 MHz band, 2.5 kHz resolution
433 MHz band, 2.5 kHz resolution
868 MHz band, 5.0 kHz resolution
915 MHz band, 7.5 kHz resolution
Frequency error < 10 kHz after 10 MHz
step
After turning on from idle mode, with
crystal oscillator already stable
At all bands
With optimal antenna impedance
(Note 4)
With optimal antenna impedance
(Note 4)
Selectable in 3 dB steps (Note3)
At max power with loop antenna
(Note 5)
At low bands
At high bands
100 kHz from carrier
1 MHz from carrier
Programmable in 30 kHz steps
Programmable in 0.5 pF steps, tolerance
+/- 10%
After V
Crystal ESR < 100 Ohms (Note 7)
Crystal oscillator must be enabled to
ensure proper calibration at startup
(Note 7)
15 pF pure capacitive load
dd
has reached 90% of final value
Conditions/Notes
P
310.24
430.24
860.48
900.72
max
Min
0.1
1.5
1.6
8.5
16
30
8
1
-21
+/-10%
Typ
1
2.3
2.2
-75
-85
10
20
18
3
1
319.75
439.75
879.51
929.27
2 · 10
Max
P
250
256
512
240
100
2.5
-50
3.1
2.8
12
22
16
10
5
2
max
9
Si4020
dBc/Hz
Units
MHz
MHz
dBm
dBm
dBm
kbps
kbps
dBc
kHz
mA
ms
ms
ms
ms
pF
pF
pF
µs
µs
ns
8