Rainbow-electronics MAX3580 Manual do Utilizador descarregar pdf (Página 2)

MAX3580

Direct-Conversion TV Tuner

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(MAX3580 EV kit, V

= +3.1V to +3.5V, GND = 0V, BB_AGC = RF_AGC = +2.85V, RF input terminated into a 75Ω load, BBI_ and

BBQ_ are open, no input signal, VCO active, registers set according to the specified default register conditions, T

= -40°C to

+85°C, unless otherwise specified. Typical values are at V

= +3.3V, T

=+25°C, unless otherwise specified.) (Note 1)

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.

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

SDA, SCL, ADDR2, MUX, REF_BUFF,

BB_AGC, RF_AGC to GND ................................-0.3V to +3.6V

All Other Pins to GND ..............................-0.3V to (+V

+ 0.3V)

RF Input Power ...............................................................+10dBm

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

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

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

Continuous Power Dissipation (T

= +70°C)

(derate 21.3mW/°C above +70°C)..............................1702mW

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

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

SUPPLY VOLTAGE AND CURRENT

Supply Voltage V

3.1 3.5 V

Active 197 225 mA

Supply Current I

Shutdown mode 200 µA

RF_AGC AND BB_AGC

Input Bias Current I

AGC

at +0.5V and +2.85V -50 +50 µA

Maximum gain 2.85

RF and Baseband AGC Control

Voltage

AGC

Minimum gain 0.5

SERIAL INTERFACE AND MUX OUTPUT (SCL, SDA, MUX)

Input Logic-Level Low V

0.3 x

Input Logic-Level High V

0.7 x

Input Hysteresis

0.05 x

SDA, SCL Input Current -10 +10 µA

Output Logic-Level Low V

Sink current = 0.3mA 0.4 V

Output Logic-Level High V

Source current = 0.3mA

0.5

CAUTION! ESD SENSITIVE DEVICE

1 2 3 4 5 6 7 ... 20 21

Direct-Conversion TV Tuner 1

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