MAX7033(2004) 查看數據表（PDF） - Maxim Integrated

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MAX7033
(Rev.:2004)

315MHz/433MHz ASK Superheterodyne Receiver with AGC Lock

Maxim Integrated 

315MHz/433MHz ASK Superheterodyne

Receiver with AGC Lock

AC ELECTRICAL CHARACTERISTICS (continued)

(Typical Application Circuit, AVDD = DVDD = VDD5 = +3.0V to +3.6V, all RF inputs are referenced to 50Ω, fRF = 315MHz, TA = -40°C

to +105°C, unless otherwise noted. Typical values are at AVDD = DVDD = VDD5 = +3.3V and TA = +25°C.) (Note 1)

PARAMETER

LNA IN LOW-GAIN MODE

Input Impedance

1dB Compression Point

Input-Referred 3rd-Order

Intercept

SYMBOL

CONDITIONS

ZIN_LNA

P1dBLNA

Normalized to 50Ω

(Note 4)

fRF = 433MHz

fRF = 375MHz

fRF = 315MHz

IIP3LNA

MIN TYP MAX UNITS

1 - j3.4

1 - j3.9

1 - j4.7

-10

-7

dBm

dBm

LO Signal Feedthrough to

Antenna

-80

dBm

Output Impedance

Noise Figure

Voltage-Gain Reduction

MIXER

Input Impedance

Input-Referred 3rd-Order

Intercept

ZOUT_LNA

NFLNA

Normalized to 50Ω

AGC enabled (depends on tank Q)

ZIN_MIX Normalized to 50Ω

IIP3MIX

0.4

3

35

0.25 - j2.4

-18

dB

dB

dBm

Output Impedance

Noise Figure

Image Rejection

(Not Including LNA Tank)

LNA/Mixer Voltage Gain

ZOUT_MIX

NFMIX

fRF = 433MHz, VIRSEL = DVDD

fRF = 375MHz, VIRSEL = DVDD / 2

fRF = 315MHz, VIRSEL = 0V

330Ω IF filter load

LNA in high-gain

mode

LNA in low-gain

mode

330

Ω

16

dB

42

44

dB

44

48

dB

13

INTERMEDIATE FREQUENCY (IF)

Input Impedance

Operating Frequency

3dB Bandwidth

RSSI Linearity

RSSI Dynamic Range

ZIN_IF

fIF

RSSI Level

AGC Threshold

DATA FILTER

Maximum Bandwidth

DATA SLICER

Comparator Bandwidth

Bandpass response

PRFIN < -120dBm

PRFIN > 0dBm, AGC enabled

LNA gain from low to high

LNA gain from high to low

330

Ω

10.7

MHz

10

MHz

±0.5

dB

80

dB

1.15

V

2.2

1.39

V

1.98

50

kHz

100

kHz

4 _______________________________________________________________________________________

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