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MAX2306

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

Maxim Integrated 

CDMA IF VGAs and I/Q Demodulators

with VCO and Synthesizer

ABSOLUTE MAXIMUM RATINGS

VCC to GND ...........................................................-0.3V to +6.0V

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

STBY, BUFEN, MODE, EN, DATA,

CLK, DIVSEL ...........................................-0.3V to (VCC + 0.3V)

VGC to GND...............-0.3V, the lesser of +4.2V or (VCC + 0.3V)

AC Signals TANKH ±, TANKL ±,

REF, FM ±, CDMA ± .................................................1.0V peak

Digital Input Current SHDN, MODE, DIVSEL,

BUFEN, DATA, CLK, EN, STBY .....................................±10mA

Continuous Power Dissipation (TA = +70°C)

28-Pin QFN (derate 28.5mW/°C above TA = +70°C) ...........2W

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +160°C

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

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.

DC ELECTRICAL CHARACTERISTICS

(VCC = +2.7V to +3.6V, MODE = DIVSEL = SHDN = STBY = BUFEN = high, differential output load = 10kΩ, TA = -40°C to +85°C,

registers set to default power-up settings. Typical values are at VCC = +2.75V and TA = +25°C, unless otherwise noted.)

PARAMETER

Supply Current

(Note 1)

Shutdown Current

Register Shutdown Current

Logic High

Logic Low

Logic High Input Current

Logic Low Input Current

VGC Control Input Current

VGC Control Input Current

During Shutdown

Lock Indicator High (locked)

Lock Indicator Low (unlocked)

DC Offset Voltage

Common-Mode Output Voltage

SYMBOL

ICC

ICC

ICC

CONDITIONS

CDMA mode

TA = +25°C

TA = -40°C to +85°C

FM_IQ mode

TA = +25°C

TA = -40°C to +85°C

FM_I mode

TA = +25°C

TA = -40°C to +85°C

STANDBY (VCO_H)

TA = +25°C

TA = -40°C to +85°C

STANDBY (VCO_L)

TA = +25°C

TA = -40°C to +85°C

Addition for LO out (BUFEN = low)

SHDN = low

IIH

IIL

0.5V < VVGC < 2.3V

SHDN = low

47kΩ load

47kΩ load

I+ to I- and Q+ to Q-, PLL locked

VCC = +2.75V

MIN TYP MAX

25.9 37.5

41.5

25.4 36.7

40.6

24.7 35.7

39.5

12.3 18.8

20.7

11.4 18.4

20.3

3.5

1.5

10

4

5.8

2.0

0.5

2

2

-5

5

1

2.0

0.5

-20 ±1.5 +20

VCC - 1.4

UNITS

mA

µA

mA

V

V

µA

µA

µA

µA

V

V

mV

V

2 _______________________________________________________________________________________

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