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PDF Si4201-BM Data sheet ( Hoja de datos )
| Número de pieza | Si4201-BM | |
| Descripción | TRANSCEIVER | |
| Fabricantes | Silicon Laboratories | |
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Aero
AERO® TRANSCEIVER FOR GSM AND GPRS
WIRELESS COMMUNICATIONS
Features
Low-IF receiver:
Dual or triple-band LNA
Image-reject down-converter
High-performance A/D converters
Universal baseband interface:
Digital IF to baseband converter,
channel-select filter and gain control
Analog or digital I/Q interface
Offset-PLL transmitter:
High precision I/Q up-converter
Integrated TX VCO and loop filter
Dual RF synthesizer:
Integrated RF and IF VCOs, loop
filters, varactors, and resonators
Quad-band support:
GSM 850 Class 4, small MS
E-GSM 900 Class 4, small MS
DCS 1800 Class 1
PCS 1900 Class 1
GPRS Class 12 compliant
CMOS process technology
Low profile packages:
Si4200: 5 x 5 mm QFN32
Si4201: 4 x 4 mm QFN20
Si4133T: 5 x 5 mm QFN28
3-wire serial interface
2.7 V to 3.0 V operation
Pin Assignments
(Top View)
Si4200-G-GM
(Si4200DB-BM see page 41)
32 31 30 29 28 27 26 25
ION 1
24 RFOD
IOP 2
23 VDD
CKN 3
22 RFIGN
CKP 4
TXIP 5
GND 21 RFIGP
PAD 20 RFIDN
TXIN 6
19 RFIDP
TXQP 7
18 RFIPN
TXQN 8
17 RFIPP
9 10 11 12 13 14 15 16
Applications
Multi-band GSM/GPRS digital cellular handsets
GSM/GPRS wireless data modems
Description
The Aero® transceiver is a complete RF front end for multi-band GSM
and GPRS wireless communications. The transmit section interfaces
between the baseband processor and the power amplifier. The receive
section interfaces between the RF band-select SAW filters and the
baseband processor. No external IF SAW filter or VCO modules are
required as all functions are completely implemented on-chip, resulting in
a dramatic reduction of board area and component count.
Si4201-BM
20 19 18 17 16
GND 1
15 SDO
RXQP 2
RXQN 3
RXIP 4
14 PDN
GND
PAD
13 XEN
12 ION
RXIN 5
11 IOP
6 7 8 9 10
Si4133T-BM
Functional Block Diagram
GSM LNA
DCS LNA
PCS LNA
0 / 90
GSM PA
DCS
PCS PA
Si4200
PGA ADC
PGA ADC
φ
DET
100 kHz
Si4133T
RF IF
PLL PLL
XIN
Si4201
PGA DAC I
PGA DAC Q
XOUT
I
Q
VC-TCXO
13 or 26 MHz
AFC
28 27 26 25 24 23 22
GND 1
21 GND
IFLB 2
20 RFLA
IFLA 3
GND 4
VDD 5
19 RFLB
GND
PAD
18 GND
17 RFLC
GND 6
16 RFLD
XIN 7
8
15 GND
9 10 11 12 13 14
Ordering Information:
See page 44.
Patents pending
Rev. 1.4 10/06
Copyright © 2006 by Silicon Laboratories
Aero
1 page  
Aero
Table 3. DC Characteristics
(VDD = 2.7 to 3.0 V, TA = –20 to 85 °C)
Parameter
Symbol Test Condition
Min Typ Max Unit
Si4200 Supply Current
Si4201 Supply Current1
IRX0 Receive mode
— 55 80 mA
ITX0 Transmit mode
— 60 80 mA
IPDN0
PDN = 0
— 1 50 µA
IRX1 Receive mode
— 9 12 mA
IPDN1
PDN = 0, XEN = 0,
—
1
50 µA
XBUF = 0, XPD1 = 1
Si4133T Supply Current2
IXOUT1 PDN = 0, XEN = 1
—
1
2 mA
IRX3 Receive mode
— 16 19 mA
ITX3 Transmit mode
— 22 27 mA
IPDN3
PDN = 0
— 1 50 µA
Total Chipset Supply Current
IRX Receive mode — 80 — mA
High Level Input Voltage3
Low Level Input Voltage3
High Level Input Current3
Low Level Input Current3
High Level Output Voltage4
Low Level Output Voltage4
High Level Output Voltage5
Low Level Output Voltage5
ITX
VIH
VIL
IIH
IIL
VOH
VOL
VOH
VOL
Transmit mode
— 82 — mA
0.7 VDD
—
—
V
—
— 0.3 VDD
V
VIH = VDD = 3.0 V –10 — 10 µA
VIL = 0 V,
VDD = 3.0 V
–10 — 10 µA
IOH = –500 µA
VDD–0.4 —
—
V
IOL = 500 µA
— — 0.4 V
IOH = –10 mA
VDD–0.4 —
—
V
IOL = 10 mA
— — 0.4 V
Notes:
1. Measured with load on XOUT pin of 10 pF and fREF = 13 MHz. Limits with XEN = 1 guaranteed by characterization.
2. RF1 VCO is used for receive mode, RF2 and IF VCOs are used for transmit mode. Center frequencies for each VCO
are as follows: RF1 = 1.9 GHz, RF2 = 1.35 GHz, IF = 825 MHz.
3. For pins SCLK, SDI, SEN, XEN, and PDN.
4. For pins SDO, XOUT.
5. For pins DIAG1, DIAG2.
Rev. 1.4
5
5 Page 
Aero
Receive Path Magnitude Response (CSEL = 0)
0
−20
−40
−60
−80
−100
−120
0
50 100 150 200 250 300 350 400
Frequency (KHz)
Figure 5. Receive Path Magnitude Response (CSEL = 0)
Receive Path Passband Magnitude Response (CSEL = 0)
2
0
−2
−4
−6
−8
−10
−12
−14
−16
0
10 20 30 40 50 60 70 80 90 100
Frequency (KHz)
Figure 6. Receive Path Passband Magnitude Response (CSEL = 0)
Receive Path Passband Group Delay (CSEL = 0)
25
24
23
22
21
20
19
18
17
16
15
0 10 20 30 40 50 60 70 80 90 100
Frequency (KHz)
Figure 7. Receive Path Passband Group Delay (CSEL = 0)
Rev. 1.4
11
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