MAX2104 データシートの表示（PDF） - Maxim Integrated

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MAX2104

Direct-Conversion Tuner IC for Digital DBS Applications

Maxim Integrated 

Direct-Conversion Tuner IC for

Digital DBS Applications

AC ELECTRICAL CHARACTERISTICS (continued)

(VCC = 4.75V to 5.25V, VIOUT_ = VQOUT_ = 0.59VP-P, CIOUT_ = CQOUT_ = 10pF, fFLCLK = 2MHz, RIOUT_ = RQOUT_ = 10kΩ,

VFDOUB = VINSEL = VCPG1 = VCPG2 = 2.4V, VPLLIN+ = VMOD+ = 1.3V, VPLLIN- = VMOD- = 1.1V, TA = +25°C. Typical values are at

VCC = 5.0V and TA = +25°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

LO Leakage Power (Notes 7, 10)

Measured at RFIN_

RFOUT PORT (LOOPTHROUGH)

f = 925MHz

RFIN_ to RFOUT Gain (Note 11)

f = 1550MHz

f = 2175MHz

RFOUT Output Third-Order

Intercept Point (Note 11)

f = 925MHz

f = 1550MHz

f = 2175MHz

f = 925MHz

RFOUT Noise Figure (Note 11)

f = 1550MHz

f = 2175MHz

RFOUT Return Loss (Notes 1, 11)

925MHz < f < 2175MHz

BASEBAND CIRCUITS

Output Real Impedance (Note 1)

IOUT_, QOUT_

MIN TYP MAX UNITS

-66

dBm

0.5

1.8

dB

2.5

9

7

dBm

4

15

12

dB

11.5

8

dB

50

Ω

Baseband Highpass Frequency

(Note 1)

CIDC_ = CQDC_ = 0.22µF

750

Hz

LPF -3dB Cutoff-Frequency Range

(Note 1)

Controlled by FLCLK signal

8

33

MHz

Baseband Frequency Response

(Note 1)

LPF -3dB Cutoff-Frequency

Accuracy (Note 1)

Ratio of In-Filter-Band

to Out-of-Filter-Band Noise

Deviation from ideal 7th order, Butterworth,

up to 0.7 x fC

-0.5

+0.5 dB

fFLCLK = 0.5MHz, fC = 8MHz

-5.5

+5.5

fFLCLK = 1.25MHz, fC = 19.3MHz

-10

+10

%

fFLCLK = 2.0625MHz, fC = 31.4MHz

-10

+10

fIN_BAND = 100Hz to 22.5MHz,

fOUT_BAND = 67.5MHz to 112.5MHz

19

dB

Quadrature Gain Error

Includes effects from baseband filters,

measured at 125kHz baseband

1.2

dB

Quadrature Phase Error

Includes effects from baseband filters,

measured at 125kHz baseband

4 degrees

4 _______________________________________________________________________________________

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