SI4134T-GM Silicon Laboratories Inc, SI4134T-GM Datasheet - Page 15

• Manufacturer Part Number: SI4134T-GM
• Description: IC RF SYNTH DUAL W/DCXO 32MLP
• Manufacturer: Silicon Laboratories Inc
• Series: Aero™+r
• Type: Frequency Synthesizerr

Specifications of SI4134T-GM

• Pll: Yes
• Input: Clock
• Output: Clock
• Number Of Circuits: 1
• Ratio - Input:output: 1:2
• Differential - Input:output: No/Yes
• Frequency - Max: 1.99GHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 2.7 V ~ 3 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Frequency-max: 1.99GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 8. Reference Oscillator (DCXO) Characteristics
(V
Table 7. Frequency Synthesizer Characteristics (Continued)
(V
Parameter
XDRV Board Capacitance
XTAL1 Trace Capacitance
XTAL2 Trace Capacitance
Crystal Oscillation Frequency
Crystal Load Capacitance
Crystal Sensitivity
Initial Crystal Frequency Offset
Crystal Frequency Tolerance
CDAC Range
CDAC Step Size
CVAR Input Voltage
CVAR Range
Powerup Settling Time
Notes:
Parameter
RF1 PLL Spurious
RF2 PLL Spurious
IF PLL Spurious
Notes:
DD
DD
1. See “AN49: Aero Transceiver PCB Layout Guidelines” for suggested layout.
2. Allowable manufacturing tolerance of ±10% from typical value.
3. Crystal accuracy over temperature range.
4. Specifications guaranteed when using a crystal that conforms to f
5. Average step size over CDAC codes 0 to 63.
1. For the GSM input, the RF1 VCO is divided by two on the Si4200. During transmit, the IF VCO is divided by two on the
2. See "VCO Inductor Design" on page 22.
3. Specifications are guaranteed by characterization.
= 2.7 to 3.0 V, T
= 2.7 to 3.0 V, T
∆f
Si4200. These tuning ranges are guaranteed provided the VCOs on the Si4134T are properly centered during the PC
board design phase. See “AN49: Aero Transceiver PCB Layout Guidelines” for more information.
OFF
= ±10 ppm, and ∆f
4
4
3
4,5
2
A
3
3
A
= –20 to 85 °C)
= –20 to 85 °C)
1
1
TOL
3
= ±10 ppm.
Symbol
Symbol
C
C
∆f
∆f
C
V
t
∆f
∆f
DCXO
f
XTAL1
XTAL2
XDRV
CDAC
XAFC
REF
CVAR
C
S
OFF
TOL
L
XSEL = 0, DIV2 = 0
XSEL = 1, DIV2 = 1
Rev. 1.2
V
Test Condition
Test Condition
400 kHz offset
400 kHz offset
CTL
V
3 MHz offset
CTL
T
A
= 0 to 2.5 V
= 25 °C
= 1.25 V
REF
= 13 MHz, C
Min
–10
–10
Min
20
20
—
—
—
—
—
—
—
—
—
—
—
—
0
L
= 8 pF, S = 22.5 ppm/pF,
0.90
0.63
22.5
Typ
Typ
–95
–80
–80
1.0
1.0
13
26
30
—
—
—
—
—
8
Max
Max
–83
–75
–70
1.5
2.5
—
—
—
—
—
—
10
10
—
60
—
2
Aero+
ppm/pF
MHz
MHz
Unit
Unit
ppm
ppm
ppm
ppm
ppm
dBc
dBc
dBc
ms
pF
pF
pF
pF
V
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