SI4205-BM Silicon Laboratories Inc, SI4205-BM Datasheet - Page 13

• Manufacturer Part Number: SI4205-BM
• Description: IC TXRX TRI-BAND 32LGA
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4205-BM

• Frequency: 850MHz, 900MHz, 1.8GHz, 1.9GHz
• Modulation Or Protocol: GSM
• Applications: Cellular, GSM Cellular Radio
• Voltage - Supply: 2.7 V ~ 3.3 V
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Package / Case: 32-LGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Operating Temperature: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Current - Transmitting: -
• Current - Receiving: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Table 7. Frequency Synthesizer Characteristics
(V
Parameter
RF1 VCO Frequency
RF2 VCO Frequency
IF VCO Frequency
RF1 PLL Phase Detector Update
Frequency
IF and RF2 PLL Phase Detector
Update Frequency
RF1 VCO Pushing
RF2 VCO Pushing
IF VCO Pushing
RF1 VCO Pulling
RF2 VCO Pulling
IF VCO Pulling
RF1 PLL Phase Noise
RF2 PLL Phase Noise
IF PLL Phase Noise
RF1 PLL Spurious
RF2 PLL Spurious
IF PLL Spurious
Notes:
DD
1. For the GSM input, the RF1 VCO is divided by two. During transmit, the IF VCO is divided by two.
2. Specifications are guaranteed by characterization.
= 2.7 to 3.0 V, T
2
2
2
2
2
2
2
A
2
2
1
2
= –20 to 85 °C)
1
1
2
2
Symbol
f
f
RF1
RF2
f
f
f
IF
φ
φ
all phases, open loop
Rev. 1.0
E-GSM 900 band
E-GSM 900 band
E-GSM 900 band
DCS/PCS inputs,
DCS 1800 band
DCS 1800 band
DCS 1800 band
PCS 1900 band
PCS 1900 band
PCS 1900 band
Test Condition
GSM 850 band
GSM 850 band
GSM 850 band
400 kHz offset
400 kHz offset
400 kHz offset
400 kHz offset
880–895 MHz
900–915 MHz
895–900 MHz
VSWR = 2:1,
3 MHz offset
3 MHz offset
E-GSM 900
GSM input,
Open Loop
RFUP = 0
RFUP = 1
1737.8
1849.8
1804.9
1929.9
1272
1279
1327
1423
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
–144
–126
–128
Typ
766
896
798
790
854
200
100
200
500
400
300
400
100
100
–95
–80
–80
—
—
—
—
—
—
—
—
1787.8
1919.8
1879.9
1989.9
1297
1314
1402
1483
–138
–121
–123
Max
–83
–75
–70
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Aero I
dBc/Hz
dBc/Hz
dBc/Hz
kHz
kHz
kHz
kHz/V
kHz/V
kHz/V
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Unit
kHz
kHz
kHz
dBc
dBc
dBc
PP
PP
PP
13