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MAX2160ETL

ISDB-T Single-Segment Low-IF Tuners

Maxim Integrated 

ISDB-T Single-Segment Low-IF Tuners

AC ELECTRICAL CHARACTERISTICS (continued)

(MAX2160 EV kit, VCC = +2.7V to +3.3V, fRF = 767.143MHz, fLO = 767.714MHz, fBB = 571kHz, fXTAL = 16MHz, VGC1 = VGC2 = 0.3V

(maximum gain), registers set according to the recommended default register conditions of Tables 2–11, RF input signals as speci-

fied, baseband output load as specified, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +2.85V,

TA = +25°C, unless otherwise noted.) (Note 1)

PARAMETER

CONDITIONS

VOLTAGE-CONTROLLED OSCILLATOR AND LO GENERATION

MIN TYP MAX UNITS

Guaranteed VCO Frequency

Range

TA = -40°C to +85°C

1880

3080 MHz

Guaranteed LO Frequency

Range

TA = -40°C to +85°C

470

770 MHz

Tuning Voltage Range

LO Phase Noise

0.4V < VTUNE < 2.3V,

TA = -40°C to +85°C

XTAL OSCILLATOR INPUT (TCXO AND XTAL)

fOFFSET = 1kHz

fOFFSET = 10kHz

fOFFSET = 100kHz

fOFFSET = 1MHz

0.4

2.3

V

-80

-87.5

-107

dBc/Hz

-128

XTAL Oscillator Frequency

Range

Parallel resonance mode crystal

13

26

MHz

XTAL Minimum Negative

Resistance

16MHz < fXTAL < 18MHz (Note 5)

XTAL Nominal Input Capacitance

TCXO Input Level

AC-coupled sine-wave input

TCXO Minimum Input Impedance

REFERENCE OSCILLATOR BUFFER OUTPUT (XTALOUT)

Output Frequency Range

Output-Buffer Divider Range

Output-Voltage Swing

Output Load

Output Duty Cycle

Output Impedance

885

Ω

13.3

pF

0.4

1.5

VP-P

10

kΩ

1

26

MHz

1

26

0.7

200 || 4

VP-P

kΩ || pF

50

%

160

Ω

Note 1: Min and max values are production tested at TA = +25°C and +85°C. Min and max limits at TA = -40°C are guaranteed by

design and characterization. Default register settings are not production tested; load all registers no sooner than 100µs

after power-up.

Note 2: In-band IIP3 is measured with two tones at fLO - 100kHz and fLO - 200kHz at a power level of -23dBm/tone. GC1 is set for

maximum attenuation (VGC1 = 2.7V) and GC2 is adjusted to achieve 250mVP-P/tone at the I/Q outputs for an input desired

level of -23dBm.

Note 3: Out-of-band IIP3 is measured with two tones at fRF + 6MHz and fRF + 12MHz at a power level of -15dBm/tone. GC1 is set

for maximum attenuation (VGC1 = 2.7V) and GC2 is adjusted to achieve 0.5VP-P at the I/Q outputs for an input desired level

of -50dBm. fRF is set to 767MHz + 1/7MHz = 767.143MHz.

Note 4: GC1 is set for maximum attenuation (VGC1 = 2.7V). GC2 is adjusted to give the nominal I/Q output voltage level (0.5VP-P)

for a -50dBm desired tone at fRF = 550MHz. Two tones, 220MHz and 770MHz at -15dBm/tone, are then injected and the

571kHz IM2 levels are measured (with a 550.571MHz LO) at the I/Q outputs and IP2 is then calculated.

Note 5: Guaranteed by design and characterization.

Note 6: Guaranteed and tested at TA = +25°C and +85°C only.

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