ta31142 Unisonic Technologies, ta31142 Datasheet - Page 3
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ta31142
Manufacturer Part Number
ta31142
Description
Low Power If Receiver Ic
Manufacturer
Unisonic Technologies
Datasheet
1.TA31142.pdf
(6 pages)
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UTC TA31142
ELECTRICAL CHARACTERISTICS
Quiescent current consumption
Standby current consumption
Mixer conversion gain
Mixer output intermodulation
intercept point
Mixer input resistance
Mixer output resistance
IF amplifier input resistance
S/N ratio I
S/N ratio 2
S/N ratio 3
Demodulation output level
AM rejection ratio
FSK output duty ratio
Low battery alarm threshold
voltage
Regulator output voltage
Charging / discharging current
ALM logic HIGH output current
ALM logic LOW output voltage
FSKOUT logic HIGH output
current
FSKOUT logic LOW output
vlotage
UTC
PARAMETER
UNISONIC TECHNOLOGIES CO., LTD.
VOD
I
Icc,
Icc,
Gc
OIP3
R
R
R
SNI
SN2
SN3
AMR
DR
V
V
I
I
I
V
OUT
CH
OH,ALM
OL,ALM
OH.FSK.OUT
SYMBOL
LINEAR INTEGRATED CIRCUIT
ALM
REGOUT
OL,PSK,
in,MIX
out,MIX
in,IF
total
modby
(Ta=25
V
FSKREF
-53 dBm at IFIN AM=30%
Measured after 455 KHz
TEST CONDITIONS
430Ω load resistor
-53 dBm at MIXIN
°C
-53 dBm at IFIN
-91 dBm at IFIN
-53 dBm at IF|N
ceramic filter
=0V, V
, Vcc=1.4V,Vss=0V, BS=high unless otherwise noted)
V
BS
=0V
LPFOUT
=0.18V
MIN
1.05
0.95
40
35
9
TYP
12.5
1.1
-10
1.1
1.0
63
63
25
45
50
50
70
5
2
2
MAX
1.15
1.05
110
1.6
0.4
0.4
16
60
5
2
2
QW-R103-015,A
mVrms
UNIT
dBm
mA
µA
kΩ
kΩ
kΩ
µA
µA
µA
dB
dB
dB
dB
dB
%
V
V
V
V
3