MAX7033(2004) Ver la hoja de datos (PDF) - Maxim Integrated

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Fabricante

MAX7033
(Rev.:2004)

315MHz/433MHz ASK Superheterodyne Receiver with AGC Lock

Maxim Integrated 

315MHz/433MHz ASK Superheterodyne

Receiver with AGC Lock

Typical Operating Characteristics (continued)

(Typical Application Circuit , AVDD = DVDD = VDD5 = +3.3V, fRF = 315MHz, TA = +25°C, unless otherwise noted.)

SENSITIVITY vs. TEMPERATURE

-108

PEAK RF INPUT POWER

-110 0.2% BER

IF BANDWIDTH = 280kHz

-112

-114

fRF = 433MHz

-116

-118

-120

fRF = 315MHz

-122

-124

-40 -15 10 35 60 85 110

TEMPERATURE (°C)

RSSI vs. RF INPUT POWER

2.4

IF BANDWIDTH = 280kHz

2.2

VAC = DVDD

2.0

1.8

1.6

VAC = 0V

1.4

1.2

1.0

-140 -120 -100 -80 -60 -40 -20 0

RF INPUT POWER (dBm)

2.4

2.2

2.0

1.8

1.6

1.4

1.2

1.0

-90

RSSI AND DELTA

vs. IF INPUT POWER

3.5 MAX7033 toc06

2.5

1.5

0.5

DELTA

-0.5

-1.5

RSSI

-2.5

-70 -50 -30 -10

IF INPUT POWER (dBm)

-3.5

10

65

55

45

35

25

15

5

-5

0

LNA/MIXER VOLTAGE GAIN

vs. IF FREQUENCY

UPPER

SIDEBAND

49dB IMAGE

REJECTION

LOWER

SIDEBAND

FROM RFIN

TO MIXOUT

fRF = 315MHz

5 10 15 20 25 30

IF FREQUENCY (MHz)

IMAGE REJECTION

vs. RF FREQUENCY

55

50

45

40

fRF = 375MHz

35

fRF = 315MHz

fRF = 433MHz

30

280 300 320 340 360 380 400 420 440 460 480

RF FREQUENCY (MHz)

IMAGE REJECTION

vs. TEMPERATURE

45.0

44.5

fRF = 315MHz

44.0

43.5

43.0

fRF = 375MHz

42.5

42.0

fRF = 433MHz

41.5

41.0

40.5

-40 -15 10

35

60

85

TEMPERATURE (°C)

6 _______________________________________________________________________________________

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