MAX2370 datasheet(2/19 Pages) MAXIM

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Complete 450MHz Quadrature Transmitter

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ABSOLUTE MAXIMUM RATINGS

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, RFOUT, VCCIFCP, VCCRFCP,

VCCDRV to GND.................................................-0.3V to +3.6V

DI, SCLK, CS, GC, SHDN, TXGATE, IDLE,

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

AC Input Pins (IFIN_, Q_, I_, TANK_, REF,

RFPLL, LO) to GND.....................................................1V Peak

Digital Input Current (SHDN, TXGATE, IDLE,

SCLK, DI, CS) ...............................................................±10mA

Continuous Power Dissipation (TA = +70°C)

48-Pin Thin QFN (derate 38.5mW/°C above +70°C).....3077mW

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

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

Storage Temperature Range .............................-65°C to +150°C

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

DC ELECTRICAL CHARACTERISTICS

(VCC = +2.7V to +3.3V, SHDN = IDLE = TXGATE = high, VGC = 2.5V, RBIAS = 10k

Ω, registers set according to Table 1, fREF =

19.2MHz, no AC signals applied, TA = -40°C to +85°C. Typical values are at VCC = +3.0V, TA = +25°C, unless otherwise noted.)

(Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage Range

VCC

2.7

3.3

VGC = 0.6V

VGC = 1.95V

PRFOUT = +5.5dBm, IFG[2:0] = 011

118

PRFOUT = +8dBm, IFG[2:0] = 011

134

Addition for IFLO buffer

3.4

7.7

IDLE = low

Operating Supply Current

TXGATE = low

Sleep-Mode Supply Current

SHDN = 0V

0.5

µA

Logic-High Voltage

0.7 x VCC

Logic-Low Voltage

0.3 x VCC

Logic Input Current

-5

µA

GC Input Current

VGC = 0.5V to 2.5V

3.3

µA

GC Input Current During Shutdown

SHDN = low, VGC = 2.5V

µA

Lock Indicator High Voltage (Locked)

47k

Ω pullup load

VCC -

0.4V

Lock Indicator Low Voltage (Unlocked)

47k

Ω pullup load

0.5

CAUTION! ESD SENSITIVE DEVICE

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