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SA58646 Datasheet, PDF (26/42 Pages) NXP Semiconductors – UHF 900 MHz transceiver IC
NXP Semiconductors
SA58646
UHF 900 MHz transceiver IC
9. Limiting values
Table 23. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
VCC
supply voltage
Tstg
storage temperature
10. Thermal characteristics
Min
Max Unit
−0.3
+6.0
V
−55
+125 °C
Table 24.
Symbol
Rth(j-a)
Thermal characteristics
Parameter
thermal resistance from
junction to ambient
11. Characteristics
Conditions
in free air
Typ
Unit
68
K/W
Table 25. Supplies
VCC = 3.3 V; Tamb = 25 °C; unless otherwise specified.
Symbol
Parameter
Conditions
VCC
Tamb
supply voltage
ambient temperature
Min
Typ
Max Unit
2.9
3.3
5.5
V
−40
+25
+85
°C
Table 26. Receiver part
VCC = 3.3 V; Tamb = 25 °C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max Unit
Low noise amplifier and image reject mixer (fo = 903 MHz)
Input: pins RFIX and RFIY
Ri(RF)
RF input resistance
real part of the parallel input
-
110
-
Ω
impedance; balanced; indicative
value
Ci(RF)
RF input capacitance
imaginary part of the parallel
input impedance; balanced;
indicative value
-
0.7
-
pF
fi(RF)
LNA
RF input frequency
902
903
928
MHz
|s11(RF)|2
RF input return loss
[1] 10
-
-
dB
Gp(conv)
conversion power gain
from balun input to pin MIXO
matched to 330 Ω
-
22
-
dB
ICP1dB
1 dB input compression
point
[1] -
−23
-
dBm
IP3
third-order intercept point
-
−13
-
dBm
NF
noise figure
overall RF front-end (does not
-
4
5
dB
include the IF section)
αf(image)
image frequency rejection in band of interest
26
45
-
dB
SA58646_1
Product data sheet
Rev. 01 — 8 February 2007
© NXP B.V. 2007. All rights reserved.
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