SI4205-BM Silicon Laboratories Inc, SI4205-BM Datasheet - Page 33
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SI4205-BM
Manufacturer Part Number
SI4205-BM
Description
IC TXRX TRI-BAND 32LGA
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI4205-BM.pdf
(38 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI4205-BM
Manufacturer:
SILICON
Quantity:
6 119
Company:
Part Number:
SI4205-BMR
Manufacturer:
SILAB
Quantity:
18 603
Pin Descriptions: Si4205-BM
Pin Number(s)
1, 28
2, 3
4, 5
6, 7
8
9, 32
10
11
12
13
14
15, 29–31
16, 17
18, 19
20, 21
22
23
24, 25
26
27
Name
RXQN, RXQP
RXIP, RXIN
TXIP, TXIN
TXQP, TXQN
XIN
VDD
PDN
SDO
SEN
SCLK
SDI
GND
RFIPP, RFIPN
RFIDP, RFIDN
RFIGP, RFIGN
RFOD
RFOG
DIAG1, DIAG2
XEN
XOUT
RXQN
TXQN
Description
Receive Q output (differential).
Receive I output (differential).
Transmit I input (differential).
Transmit Q input (differential).
Reference frequency input from crystal oscillator.
Supply voltage.
Powerdown input (active low).
Serial data output.
Serial enable input (active low).
Serial clock input.
Serial data input.
Ground. Connect to ground plane on PCB.
PCS LNA input (differential).
Use for PCS 1900 band.
DCS LNA input (differential).
Use for DCS 1800 band.
GSM LNA input (differential).
Used for GSM 850 or E-GSM 900 bands.
DCS and PCS transmit output to power amplifier.
Used for DCS 1800 and PCS 1900 bands.
GSM transmit output to power amplifier.
Used for GSM 850 and E-GSM 900 bands.
Diagnostic output.
Can be used as digital outputs to control antenna switch functions.
XOUT pin enable.
Clock output to baseband.
TXQP
RXIN
RXIP
TXIN
TXIP
1
2
3
4
5
6
7
32
29
28
8
27
GND
GND
9
26
10
Rev. 1.0
25
11
24
12
GND
GND
23
13
22
14
31
30
21
20
19
18
17
16
15
RFIGN
RFIGP
RFIDN
RFIDP
RFIPN
RFIPP
GND
Aero I
33