MAX2106 datasheet(3/10 Pages) MAXIM

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DBS Direct Downconverter

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DC ELECTRICAL CHARACTERISTICS (continued)

(VCC = +4.75V to +5.25V, VFB = +2.4V, CIOUT_ = CQOUT_ = 10pF, ƒFLCLK = 2MHz, RFIN_ = unconnected, RIOUT_ = RQOUT_ = 10k

Ω,

VLOBUFSEL = 0.5V, VRFBAND = VINSEL = VCPG1 = VCPG2 = +2.4V, VPLLIN+ = VMOD+ = +1.3V, VPLLIN- = VMOD- = +1.1V, TA = +25°C,

unless otherwise noted. Typical values are at VCC = +5V, unless otherwise noted.)

AC ELECTRICAL CHARACTERISTICS

(IC driven single-ended with RFIN- AC-terminated in 75

Ω to GND, VCC = +4.75V to +5.25V, VIOUT_ = VQOUT_ = 0.59Vp-p,

CIOUT_ = CQOUT_ = 10pF, ƒLCLK = 2MHz, RIOUT_ = RQOUT_ = 10k

Ω, VLOBUFSEL = 0.5V, VRFBAND = VINSEL = VCPG1 = VCPG2 = +2.4V,

VPLLIN+ = VMOD+ = +1.3V, VPLLIN- = VMOD- = +1.1V, TA = +25°C, unless otherwise noted. Typical values are at VCC = +5V.)

VCPG1

≤ 0.5V, VCPG2 ≤ 0.5V

VCPG1

≤ 0.5V, VCPG2 ≥ 2.4V

CONDITIONS

-0.12

-0.1

-0.08

Charge-Pump Output Low

Measured at FB

-0.36

-0.3

-0.24

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

VCPG1

≥ 2.4V, VCPG2 ≤ 0.5V

VCPG1

≥ 2.4V, VCPG2 ≥ 2.4V

-0.72

-0.6

-0.48

-2.16

-1.8

-1.44

VGC_ = 1V to 4V

-50

IGC_

Input Current

µA

Charge-Pump Output Current

Matching Positive to Negative

Measured at FB

-5

Charge-Pump Output Leakage

Measured at FB

-25

Offset Voltage (Note 1)

Differential Output Voltage

Swing

Vp-p

RL = 2k

Ω differential

Common-Mode Output Voltage

(Note 1)

0.65

0.85

-50

Charge-Pump Output Current

Drive (Note 1)

µA

Measured at CP

100

fRFIN_

RFIN_ Input Frequency Range

MHz

CONDITIONS

Noise Figure

fRFIN_ = 1550MHz,

VGC1 = 1V, VGC2

adjusted 0.59Vp-p

baseband level

10.2

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

Inferred by quadrature gain and

phase-error test

925

2175

dBm

RFIN_ Input Power for 0.59Vp-p

Baseband Levels

dBm

-25

Single

carrier

-68

IP3RFIN_

RFIN_ Input Third-Order Intercept

Point (Note 3)

dBm

PRFIN_ = -25dBm

per tone

10.5

11.5

IP2RFIN_

RFIN_ Input Second-Order Intercept

(Note 4)

dBm

PRFIN_ = -25dBm per tone,

fLO = 951MHz

P1dBOUT

Output-Referred 1dB Compression

Point (Note 5)

dBV

PRFIN_ = -40dBm,

signals within filter bandwidth

ANALOG CONTROL INPUTS (GC1, GC2)

BASEBAND OUTPUTS (IOUT+, IOUT-, QOUT+, QOUT-)

VGC1 = VGC2 = +4V (min gain)

VGC1 = VGC2 = +1V (max gain)

fLO = 2175MHz

fLO = 1550MHz

fLO = 950MHz

dBm

PRFIN_ = -65dBm

per tone

-30

-29

-26

fLO = 2175MHz

fLO = 1550MHz

fLO = 950MHz

RF FRONT END

PRFIN_ = -65dBm

44.8

PRFIN_ = -25dBm

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