MAX2309EVKIT【PDF 2/20 页】EVAL KIT

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CDMA IF VGAs and I/Q Demodulators

with VCO and Synthesizer

ABSOLUTE MAXIMUM RATINGS

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

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

STBY , BUFEN , MODE, EN , DATA,

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

VGC to GND...............-0.3V, the lesser of +4.2V or (V CC + 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 (T A = +70°C)

28-Pin QFN (derate 28.5mW/°C above T A = +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

(V CC = +2.7V to +3.6V, MODE = DIVSEL = SHDN = STBY = BUFEN = high, differential output load = 10k ? , T A = -40°C to +85°C,

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CDMA mode

FM_IQ mode

T A = +25°C

T A = -40°C to +85°C

T A = +25°C

T A = -40°C to +85°C

25.9

25.4

37.5

41.5

36.7

40.6

Supply Current

(Note 1)

I CC

FM_I mode

T A = +25°C

T A = -40°C to +85°C

24.7

35.7

39.5

mA

STANDBY (VCO_H)

STANDBY (VCO_L)

T A = +25°C

T A = -40°C to +85°C

T A = +25°C

T A = -40°C to +85°C

12.3

11.4

18.8

20.7

18.4

20.3

Addition for LO out ( BUFEN = low)

3.5

Shutdown Current

Register Shutdown Current

I CC

I CC

SHDN = low

1.5

4

10

5.8

μA

mA

Logic High

Logic Low

2.0

0.5

V

V

Logic High Input Current

Logic Low Input Current

I IH

I IL

2

2

μA

μA

VGC Control Input Current

0.5V < V VGC < 2.3V

-5

5

μA

VGC Control Input Current

During Shutdown

Lock Indicator High (locked)

Lock Indicator Low (unlocked)

SHDN = low

47k ? load

47k ? load

2.0

1

0.5

μA

V

V

DC Offset Voltage

Common-Mode Output Voltage

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

V CC = +2.75V

-20

± 1.5

V CC - 1.4

+20

mV

V

2

_______________________________________________________________________________________

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