TA31275FN/ TA31275FNG

03-01-23

11

Maximum Ratings

(unless otherwise specified, Ta

= 25°C. the voltage is with reference to the ground level.)

Characteristics

Symbol

Rating

Unit

Supply voltage

6

V

Power dissipation

780

mW

Operating temperature range

−40 to 85

°C

Storage temperature range

−55 to 150

°C

The maximum ratings must not be exceeded at any time. Do not operate the device under conditions outside the

above ratings.

Operable Range

(unless otherwise specified, Ta

= 25°C. the voltage is with reference to the ground level.)

Characteristics

Symbol

Test

Circuit

Test Condition

Min

Typ.

Max

Unit

Operating voltage range





2.4

5.0

5.5

V

RF operating frequency 1



When frequency multiplication

is used

240



450

MHz

RF operating frequency 2



When frequency multiplication

is not used

100



450

MHz

Local frequency



When frequency multiplication

is used (

×8)

250.7



439.3

MHz

Operating ranges indicate the conditions for which the device is intended to be functional even with the electrical

changes.

fin (RF)

= fin (MIX) = 314.9 MHz, fin (IF) = 10.7 MHz)

Characteristics

Symbol

Test

Circuit

Test Condition

Min

Typ.

Max

Unit

Current dissipation at battery saving

3

BS

= “L”, LOBS = “L”



0

5

µA

RF amp gain 1

1 (5)

The input and output

impedances are 50

Ω.

−9.0

−6.0

−3.0

dB

Mixer conversion gain





17

21

25

dB

RSSI output voltage 1



0.05

0.25

0.45

V

RSSI output voltage 2



0.8

1.05

1.3

V

RSSI output voltage 3



1.6

1.95

2.3

V

RSSI output resistance





22

30

38

k

Ω

Comparator input resistance





75

100

125

k

Ω

Data output voltage (L level)

1 (3)





0.4

V

Data output leakage current (H level)

1 (4)







2

µA

BS pin H-level input voltage





2.2



5.5

V

BS pin L-level input voltage





0



0.2

V

LOBS pin H-level input voltage





2.2



5.5

V

LOBS pin L-level input voltage





0



0.2

V