MAX2314EEI datasheet(4/22 Pages) MAXIM

Part #	MAX2314EEI

Description	CDMA IF VGAs and I/Q Demodulators with VCO and Synthesizer

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Manufacturer	MAXIM [Maxim Integrated Products]

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4 / 22 page

CDMA IF VGAs and I/Q Demodulators

with VCO and Synthesizer

4

_______________________________________________________________________________________

AC ELECTRICAL CHARACTERISTICS (continued)

(MAX2310/MAX2314 or MAX2312/MAX2316 EV kit, VCC = +2.75V, registers set to default power-up states, fIN = 210.88MHz for

CDMA, fIN = 85.88MHz for FM, fREF = 19.68MHz, synthesizer locked with passive 2nd-order lead-lag loop filter, SHDN = high, VGC

set for +35dB voltage gain, differential output load = 10k

Ω, all power levels referred to 50Ω, TA = +25°C, unless otherwise noted.)

120kHz offset

30kHz offset

-119

12.5kHz offset

1kHz offset

(Note 6)

CONDITIONS

-110

30kHz offset

12.5kHz offset

-105

1kHz offset

900kHz offset

-91

-100

-72

dBc

-50

Base Band Spurious due to PLL

-64

dBc/Hz

-125

LOOUT at 85MHz,

VCO_L Enabled (Note 9)

900kHz offset

kHz

1500

Maximum Phase Detector

Comparison Frequency

kHz

20

Minimum Phase Detector

Comparison Frequency

2047

R1, R2

REF Maximum Divide Ratio

2

R1, R2

REF Minimum Divide Ratio

16383

M1, M2

VCO Maximum Divide Ratio

dBc/Hz

-125

256

M1, M2

VCO Minimum Divide Ratio

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

120kHz offset

LOOUT at 210MHz,

VCO_H Enabled (Note 9)

Locked, CPX = 00

Acquisition, CPX = XX, TC = 1 (Note 10)

105

150

190

-115

1480

2100

2650

Charge-Pump Source/Sink

Current

Note 1:

FM_IQ and FM_I modes are not available on MAX2312 and MAX2316.

Note 2:

Recommended operating frequency range.

Note 3:

f1 = 210.88MHz, f2 = 210.89MHz, Pf1 = Pf2 = -15dBm.

Note 4:

f1 = 210.88MHz, f2 = 210.89MHz, Pf1 = Pf2 = -50dBm.

Note 5:

Small-signal gain at 200kHz below the LO frequency will be reduced by less than 0.25dB when an interfering signal at

1.25MHz below the LO frequency is applied at the specified level.

Note 6:

Guaranteed by design and characterization.

Note 7:

f1 = 85.88MHz, f2 = 85.98MHz, Pf1 = Pf2 = -15dBm.

Note 8:

f1 = 85.88MHz, f2 = 85.98MHz, Pf1 = Pf2 = -50dBm.

Note 9:

Measured at LOOUT with BD = 0 (

÷2 selected).

Note 10: Not available on MAX2316.

Locked, CPX = 10

Locked, CPX = 01

210

300

380

150

210

265

Locked, all values of CPX,

0.5V < VCP < VCC - 0.5V

Locked, CPX = 11

%

0.2

10

Charge-Pump Source/Sink

Matching

µA

300

425

530

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