SI4021-A1-FT Silicon Laboratories Inc, SI4021-A1-FT Datasheet - Page 10

• Manufacturer Part Number: SI4021-A1-FT
• Description: IC TX FSK 915MHZ 5.4V 16-TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4021-A1-FT

• Package / Case: 16-TSSOP
• Frequency: 433MHz, 868MHz, 915MHz
• Modulation Or Protocol: FSK, OOK
• Data Rate - Maximum: 512kbps
• Power - Output: 8dBm
• Current - Transmitting: 24mA
• 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: 433 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: -
• Applications: -
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1622-5

TYPICAL PERFORMANCE DATA
Phase noise measurements in the 868 MHz ISM band
Unmodulated RF Spectrum
The output spectrum is measured at different frequencies. The output is loaded with 50 Ohms through a matching network.
Ref 0 dBm
Samp
Log
10
dB/
VAvg
100
W1 S2
S3 FC
Center 868 MHz
Res BW 10 kHz
Carrier Power
Ref -60.00dBc/Hz
10.00
dB/
Marker
1
2
3
4
AA
1
10 kHz
Trace
2
2
2
2
11:52:47 May 5, 2005
10:26:50 May 5, 2005
(Ref. level: -60 dBc/Hz, 10 dB/div)
50% Charge pump current setting
-11.11 dBm
Type
Spot Freq
Spot Freq
Spot Freq
Spot Freq
Atten
Atten 10 dB
At 868 MHz
0.00 dB
Frequency Offset
VBW 10 kHz
2
Phase Noise
1
5.008 MHz
151 kHz
3
10 kHz
X Axis
1 MHz
Sweep 40.74 ms (2001 pts)
Mkr
L
L
4
Mkr1 868.0010 MHz
-107.11 dBc/Hz
-115.65 dBc/Hz
-76.65 dBc/Hz
-86.95 dBc/Hz
-115.65 dBc/Hz
5.00800 MHz
Span 2 MHz
-12.2 dBm
4
Value
10 MHz
Ref 0 dBm
Samp
Log
10
dB/
VAvg
100
W1 S2
S3 FC
Center 915 MHz
Res BW 10 kHz
Carrier Power
Ref -70.00dBc/Hz
5.00
dB/
Marker
1
2
3
AA
100, 50, 33% Charge pump current settings
10 kHz
Trace
1
2
3
13:30:49 May 5, 2005
10:34:57 May 5, 2005
(Ref. level: -70 dBc/Hz, 5 dB/div)
-11.03 dBm
Type
Spot Freq
Spot Freq
Spot Freq
Atten
Atten 10 dB
At 915 MHz
0.00 dB
Frequency Offset
VBW 10 kHz
Phase Noise
1
1
2
3
X Axis
1 MHz
1 MHz
1 MHz
Sweep 40.74 ms (2001 pts)
Mkr
L
L
1
Mkr1 915.0020 MHz
-101.95 dBc/Hz
-107.05 dBc/Hz
-109.98 dBc/Hz
-101.95 dBc/Hz
1.00000 MHz
Si4021
-14.09 dBm
Span 2 MHz
Value
10 MHz
10