
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
V
CC
6
V
Power dissipation
P
D
780
mW
Operating temperature range
T
opr
40 to 85
°C
Storage temperature range
T
stg
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
V
CC
2.4
5.0
5.5
V
RF operating frequency 1
f
RF1
When frequency multiplication
is used
240
450
MHz
RF operating frequency 2
f
RF2
When frequency multiplication
is not used
100
450
MHz
Local frequency
f
LO
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.
Electrical Characteristics
(unless otherwise specified: Ta
=
25°C, V
CC
=
5 V,
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
I
cco
3
BS
=
“L”, LOBS
=
“L”
0
5
μ
A
RF amp gain 1
G
v (RF) 1
1 (5)
The input and output
impedances are 50
.
9.0
6.0
3.0
dB
Mixer conversion gain
G
v (MIX)
17
21
25
dB
RSSI output voltage 1
V
RSSI1
V
in (IF)
=
35dB
μ
VEMF
0.05
0.25
0.45
V
RSSI output voltage 2
V
RSSI2
V
in (IF)
=
65dB
μ
VEMF
0.8
1.05
1.3
V
RSSI output voltage 3
V
RSSI3
V
in (IF)
=
100dB
μ
VEMF
1.6
1.95
2.3
V
RSSI output resistance
R
RSSI
22
30
38
k
Comparator input resistance
R
COMP
75
100
125
k
Data output voltage (L level)
V
DATAL
1 (3)
I
DATAL
=
500
μ
A
0.4
V
Data output leakage current (H level)
I
DATAH
1 (4)
2
μ
A
BS pin H-level input voltage
V
BSH
2.2
5.5
V
BS pin L-level input voltage
V
BSL
0
0.2
V
LOBS pin H-level input voltage
V
LOBSH
2.2
5.5
V
LOBS pin L-level input voltage
V
LOBSL
0
0.2
V