SI2109-X-FM datasheet(5/80 Pages) SILABS

부품명	SI2109-X-FM

상세설명	SATELLITE RECEIVER FOR DVB-S/DSS

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제조업체	SILABS [Silicon Laboratories]

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Si2107/08/09/10

Preliminary Rev. 0.7

5

Table 3. DC Characteristics

(V3.3 = 3.3 V ±10%, V1.8 = 1.8 V ±10%, TA =0–70ºC)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Supply Current, 3.3 V

I3.3

45 Msps, CR 7/8*

—

313

—

mA

20 Msps, CR 2/3*

—

298

—

mA

Supply Current, 1.8 V

I1.8

45 Msps, CR 7/8*

—

292

—

mA

20 Msps, CR 2/3*

—

217

—

mA

Input high voltage

VIH

SCL(25), SDA(26)

2.3

—

5.5

V

Input low voltage

VIL

SCL(25), SDA(26)

0

—

0.8

V

Input leakage

II

SCL(25), SDA(26)

—

±10

µA

Output high voltage

VOH

2.4

—

V

Output low voltage

VOL

——

0.4

V

Output leakage

IOL

——

±10

µA

*Note: LNB dc-dc converter disabled; LNB_EN (CEh[2]) = 0.

Table 4. RF Electrical Characteristics

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Input power, single channel

Pi,ch

–81

—

–23

dBm

Aggregate input power

Pi,agg

—

–7

dBm

Input impedance, balanced

Zin

ZSOURCE =75 Ω

—75

—

Ω

Return Loss

—

–10

—

dB

Dynamic voltage gain range

ΔGV

—75

—

dB

Maximum voltage gain

GV(max)

—55

—

dB

Noise figure

NF

Max gain1

—

+9.5

+12.5

dB

IP3

IP32

Min gain3

+5

+15

—

dBm

LO leakage

LLO

950 to 2150 MHz

—

–70

dBm

LO SSB phase noise

NLO

100 kHz offset

—

–97

–94

dBc/Hz

1 MHz offset

—

–97

–94

dBc/Hz

LO DSB phase noise (integrated)

NLO

10 kHz to 1/2 Baud

Rate

—2.1

2.8

°rms

RF synthesizer spurious

At 20 MHz offset

—

–40

—

dBc/Hz

Reference oscillator phase noise

At 2 kHz offset

—

–130

—

dBc/Hz

LO oscillator settling time

ts,LO

—100

—

µs

Notes:

1. Max gain = +55 dB.

2. IM3 can be calculated as follows: IM3 = 2 x (IP3 – Pin).

3. Min gain = –35 dB.

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