SI4205-BM Silicon Laboratories Inc, SI4205-BM Datasheet - Page 6

• 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 4. AC Characteristics
(V
Aero I
6
Parameter
SCLK Cycle Time
SCLK Rise Time
SCLK Fall Time
SCLK High Time
SCLK Low Time
PDN Rise Time
PDN Fall Time
SDI Setup Time to SCLK↑
SDI Hold Time from SCLK↑
SEN↓ to SCLK↑ Delay Time
SCLK↑ to SEN↑ Delay Time
SEN↑ to SCLK↑ Delay Time
SEN Pulse Width
SCLK↓ to SDO Time
Digital Input Pin Capacitance
XIN Input Resistance
XIN Input Capacitance
XIN Input Sensitivity
XIN Input Frequency
Notes:
DD
1. Two programming options are allowed for SEN. Either option may be used. In both cases, the SEN pulse width must be
2. For pins SCLK, SDI, SEN, XEN, and PDN.
3. For XIN pin.
4. The XSEL and
= 2.7 to 3.0 V, T
at least 10 ns after writing all registers except after DGAIN is written. After DGAIN is written, SEN must be held high for
at least 130 µs. See “AN50: Aero Transceiver Programming Guide.”
1
A
= –20 to 85 °C)
3
DIV2
3,4
3
3
bits control internal divide-by-two circuits and do not effect the XOUT pin.
2
Symbol
t
W1
V
t
R
C
t
t
t
t
f
HOLD
t
t
t
t
t
t
CLK
t
EN1
EN2
EN3
REF
REF
t
t
W2
LO
PR
PF
SU
, t
CA
XIN
XIN
HI
R
F
W3
XSEL = 0, DIV2 = 0
XSEL = 1, DIV2 = 1
Rev. 1.0
DGAIN bits only
Test Condition
Option 2 only
Figures 1, 3
Figures 1, 3
Figures 1, 3
Figures 1, 3
Figures 1, 3
Figures 3, 4
Figures 3, 4
Figures 3, 4
Figure 2
Figure 2
Figure 3
Figure 3
Figure 3
Figure 4
Min
130
0.5
35
10
10
15
10
10
12
12
10
10
10
—
—
—
—
—
—
—
—
7
Typ
15
10
13
26
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Max
50
50
10
10
27
20
14
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5
MHz
MHz
Unit
V
pF
kΩ
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
PP