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Ac electrical characteristics, Dc electrical characteristics (continued) – Rainbow Electronics MAX7030 User Manual

Page 3

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MAX7030

Low-Cost, 315MHz, 345MHz, and 433.92MHz

ASK Transceiver with Fractional-N PLL

_______________________________________________________________________________________

3

AC ELECTRICAL CHARACTERISTICS

(Typical Application Circuit, 50

Ω system impedance, PAV

DD

= AV

DD

= DV

DD

= HV

IN

= +2.1V to +3.6V, f

RF

= 315MHz, 345MHz, or

433.92MHz, T

A

= -40°C to +125°C, unless otherwise noted. Typical values are at PAV

DD

= AV

DD

= DV

DD

= HV

IN

= +2.7V, T

A

= +25°C,

unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

GENERAL CHARACTERISTICS

Frequency Range

315/345/

433.92

MHz

Maximum Input Level

P

RFIN

0

dBm

f

RF

= 315MHz (Note 6)

32

Transmit Efficiency 100% Duty
Cycle

f

RF

= 434MHz (Note 6)

30

%

f

RF

= 315MHz (Note 6)

24

Transmit Efficiency 50% Duty
Cycle

f

RF

= 434MHz (Note 6)

22

%

ENABLE or T/R transition low to high,
transmitter frequency settled to within
50kHz of the desired carrier

200

ENABLE or T/R transition low to high,
transmitter frequency settled to within 5kHz
of the desired carrier

350

Power-On Time

t

ON

ENABLE transition low to high, or T/R
transition high to low, receiver startup time
(Note 5)

250

µs

RECEIVER

315MHz

-114

Sensitivity

0.2% BER, 4kbps Manchester
data rate, 280kHz IF BW,
average RF power

434MHz

-113

dBm

Image Rejection

46

dB

POWER AMPLIFIER

T

A

= +25

°C (Note 4)

4.6

10.0

15.5

T

A

= +125

°C, PAV

DD

= AV

DD

= DV

DD

=

HV

IN

= +2.1V (Note 2)

3.9

6.7

Output Power

P

OUT

T

A

= -40

°C, PAV

DD

= AV

DD

= DV

DD

=

HV

IN

= +3.6V (Note 4)

13.1

15.8

dBm

Modulation Depth

82

dB

Maximum Carrier Harmonics

With output-matching network

-40

dBc

Reference Spur

-50

dBc

DC ELECTRICAL CHARACTERISTICS (continued)

(Typical Application Circuit, 50

Ω system impedance, AV

DD

= DV

DD

= HV

IN

= PAV

DD

= +2.1V to +3.6V, fRF = 315MHz, 345MHz, or

433.92MHz, T

A

= -40°C to +125°C, unless otherwise noted. Typical values are at AV

DD

= DV

DD

= HV

IN

= PAV

DD

= +2.7V, T

A

= +25°C,

unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Pulldown Sink Current

AGC0-2, ENABLE, T/R, DATA (HV

IN

= 5.5V)

20

µA

Output-Low Voltage

V

OL

I

SINK

= 500µA

0.15

V

Output-High Voltage

V

OH

I

SOURCE

= 500µA

H V

IN

- 0.26

V