MAX7057ASE datasheet(6/20 Pages) MAXIM

номер детали	MAX7057ASE

подробное описание детали	300MHz to 450MHz Frequency-Programmable ASK/FSK Transmitter

PDF	20 Pages

Scroll/Zoom	100%

производитель	MAXIM [Maxim Integrated Products]

домашняя страница	https://www.maximintegrated.com/en.html

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6 / 20 page

300MHz to 450MHz Frequency-Programmable

ASK/FSK Transmitter

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

(50

Ω system impedance, VAVDD = VDVDD = VPAVDD = +2.1V to +3.6V, fRF = 300MHz to 450MHz, TA = -40°C to +125°C, unless oth-

erwise noted. Typical values are at VAVDD = VDVDD = VPAVDD = +2.7V, TA = +25°C, unless otherwise noted.)

SUPPLY CURRENT AND OUTPUT POWER

vs. EXTERNAL RESISTOR

MAX7057 toc10

EXTERNAL RESISTOR (

Ω)

1000

100

-15

-10

-5

-25

-20

0.1

10,000

fRF = 315MHz

50% DUTY CYCLE

SUPPLY CURRENT

OUTPUT POWER

SUPPLY CURRENT AND OUTPUT POWER

vs. EXTERNAL RESISTOR

MAX7057 toc11

EXTERNAL RESISTOR (

Ω)

1000

100

-15

-10

-5

-25

-20

0.1

10,000

fRF = 433.92MHz

PA ON

SUPPLY CURRENT

OUTPUT POWER

SUPPLY CURRENT AND OUTPUT POWER

vs. EXTERNAL RESISTOR

MAX7057 toc12

EXTERNAL RESISTOR (

Ω)

1000

100

-15

-10

-5

-30

-20

0.1

10,000

fRF = 433.92MHz

50% DUTY CYCLE

SUPPLY CURRENT

OUTPUT POWER

-25

PHASE NOISE vs. OFFSET FREQUENCY

-60

-70

-80

-90

-100

-110

-120

-130

-140

100

10k

100k

10M

OFFSET FREQUENCY (Hz)

fRF = 315MHz

-50

-60

-70

-80

-90

-100

-110

-120

-130

100

10k

100k

10M

PHASE NOISE vs. OFFSET FREQUENCY

OFFSET FREQUENCY (Hz)

fRF = 433.92MHz

-60

-50

-55

-40

-45

-35

-30

2.1

3.6

REFERENCE SPUR MAGNITUDE

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

2.7

2.4

3.0

3.3

fRF = 433.92MHz

fRF = 315MHz

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