SI4133GX2-BM Silicon Laboratories Inc, SI4133GX2-BM Datasheet - Page 9

• Manufacturer Part Number: SI4133GX2-BM
• Description: SYNTH DUAL GSM RF(RF1/RF2/IF)
• Manufacturer: Silicon Laboratories Inc
• Type: Frequency Synthesizerr

Specifications of SI4133GX2-BM

• Pll: Yes
• Input: Clock
• Output: Clock
• Number Of Circuits: 1
• Ratio - Input:output: 1:2
• Differential - Input:output: No/No
• Frequency - Max: 1.8GHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QFN
• Frequency-max: 1.8GHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 5. RF and IF Synthesizer Characteristics (Continued)
(V
Parameter
RF1 Reference Spurs
R
Powerup Request to Synthesizer Ready
Time, RF1, RF2, IF
Powerdown Request to Synthesizer
Off Time
Notes:
DD
F2 Reference Spurs
1. RF1 = 1.55 GHz, RF2 = 1.4 GHz, IF = 1080 MHz for all parameters unless otherwise noted.
2. From powerup request (PWDN↑ or SEN↑ during a write of 1 to bits PDIB and PDRB in Register 2) to RF and IF
3. From powerdown request (PWDN↓, or SEN↑ during a write of 0 to bits PDIB and PDRB in Register 2) to supply current
= 2.7 to 3.6 V, T
synthesizers ready (settled to within 0.1 ppm frequency error). Typical settling time to 5 degrees phase error is 120 µs.
equal to I
3
1
PWDN
A
2
.
= –20 to 85 °C)
Figure 5. Hardware Power Management Timing Diagram
Figure 4. Software Power Management Timing Diagram
SDATA
PWDN
I
PWDN
I
SEN
PWDN
I
T
I
T
PDRB = 1
Symbol
PDIB = 1
t
t
pup
pdn
t
t
pup
pup
Rev. 1.2
Offset = 200 kHz
Offset = 400 kHz
Offset = 600 kHz
Offset = 200 kHz
Offset = 400 kHz
Offset = 600 kHz
Test Condition
Figures 5, 4
Figures 5, 4
RF and IF synthesizers settled to
within 0.1 ppm frequency error.
RF and IF synthesizers settled to
within 0.1 ppm frequency error.
PDRB = 0
PDIB = 0
t
t
pdn
pdn
Min
—
—
—
—
—
—
—
—
Si4133G-X2
Typ
–70
–75
–80
–75
–80
–80
140
—
Max
100
—
—
—
—
—
—
—
Unit
dBc
dBc
dBc
dBc
dBc
dBc
µ s
ns
9