MAX2450CEP datasheet(2/8 Pages) MAXIM

2 / 8 page

3V, Ultra-Low-Power Quadrature

Modulator/Demodulator

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(

VCC = LO_VCC = TANK = 2.7V to 3.3V, ENABLE = VCC - 0.4, GND = LO_GND = 0V, I_IN = I_IN = Q_IN = Q_IN = IF_IN = TANK =

OPEN, TA = 0°C to +70°C, unless otherwise noted.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

VCC, LO_VCC to GND............................................-0.3V to +4.5V

ENABLE, TANK, TANK, I_IN, I_IN, Q_IN,

Q_IN to GND ..................................................-0.3V to (VCC + 0.3V)

IF_IN to GND .........................................................-0.3V to +1.5V

Continuous Power Dissipation (TA = +70°C)

QSOP (derate 9.1mW/°C above +70°C) ......................727mW

Operating Temperature Range...............................0°C to +70°C

Storage Temperature Range .............................-65°C to +165°C

Lead Temperature (soldering, 10sec) .............................+300°C

ENABLE = 0.4V

ENABLE = VCC

CONDITIONS

1.2

VI_OUT/I_OUT,

VQ_OUT/Q_OUT

I_OUT, I_OUT, Q_OUT, Q_OUT

DC Bias Voltage Level

µA

220

ICC(OFF)

Shutdown Supply Current

5.9

8.2

ICC(ON)

2.7

3.3

VCC, LO_VCC

Supply Voltage Range

Supply Current

Ω

320

400

480

ZIF_IN

Demodulator IF Input Impedance

VCC - 1.5

VIF_OUT/IF_OUT

IF_OUT, IF_OUT DC Bias Voltage

Ω

ZI_IN/I_IN,

ZQ_IN/Q_IN

Modulator Differential Input

Impedance

1.25

1.5

1.75

VI_IN/I_IN,

VQ_IN/Q_IN

I_IN, I_IN, Q_IN, Q_IN

Self-Bias DC Voltage Level

µs

tON/OFF

Enable/Disable Time

µA

IEN

ENABLE Bias Current

VCC - 0.4

VENH

ENABLE High Voltage

0.4

VENL

ENABLE Low Voltage

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

AC ELECTRICAL CHARACTERISTICS

(MAX2450 EV kit, VCC = LO_VCC = ENABLE = 3.0V, fLO = 140MHz, fI_IN/I_IN = fQ_IN/Q_IN = 600kHz, VI_IN/I_IN = VQ_IN/Q_IN = 1.2Vp-p,

fIF_IN = 70.1MHz, VIF_IN = 2.82mVp-p, TA = +25°C, unless otherwise noted.)

(Note 2)

CONDITIONS

< ±0.45

I and Q Amplitude Balance

dBc

-60

IM5I/Q

I and Q IM5 Level

dBc

-44

IM3I/Q

I and Q IM3 Level

degrees

< ±1.3

I and Q Phase Accuracy

Voltage Conversion Gain

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

RL = 10kΩ, CL < 6pF, rising edge

(Notes 1, 3)

10kHz offset

RL = 10kΩ, CL < 6pF

MHz

BWDEMOD

I and Q Signal 3dB Bandwidth

V/µs

SRPRE_OUT

PRE_OUT Slew Rate

MHz

160

fLO

Oscillator Frequency Range

dBc/Hz

-80

LO Phase Noise

Vp-p

0.35

VPRE_OUT

PRE_OUT Output Voltage

(Note 1)

Vp-p

1.35

Allowable I and Q Voltage Swing

±11

±50

Demodulator I and Q Baseband

DC Offset

Noise Figure

DEMODULATOR

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