LMX9820SB/NOPB National Semiconductor, LMX9820SB/NOPB Datasheet - Page 11

• Manufacturer Part Number: LMX9820SB/NOPB
• Manufacturer: National Semiconductor

Specifications of LMX9820SB/NOPB

• Lead Free Status / Rohs Status: Compliant

Revision 1.0
6.0 Electrical Specifications
1.
2.
3.
4.
5.
6.
7.
8.
1.
Symbol
P
Power Density
MOD F1
MOD F2
ACP
P
P
Z
Return Loss
Symbol
f
t
t
VCO
LOCK
D
F2
RFOUT
f
f
OUT
OUT
OUT
-Tx
0
0
Typical operating conditions are at 3.3V operating voltage and 25
The output power is measured at the antenna port, including all front end losses for balun, TX/RX switch and filter.
Modulation index set between 0.28 and 0.35.
Not tested in production.
Out-of-Band spurs only exist at 2nd and 3rd harmonics of the CW frequency for each channel. Performance of the
radio is significantly better than BT 1.1 specification.
Reference Smith chart Figure 8 on page 13.
Reference chart Figure 9 on page 14.
offset
drift
Frequency accuracy dependent on crystal or oscillator chosen. Crystal/oscillator must have cumulative accuracy
specifications of not more than +20 ppm to meet the Bluetooth specification.
AVG
F2max > 115 kHz for at least 99.9% of all f2max.
5
RF
2*f
3*f
7
/
o
o
2
6
3
F1
AVG
MAX
8
AVG
Parameter
VCO Frequency Range
Lock Time
Initial Carrier Frequency Tolerance
Initial Carrier Frequency Drift
Transmitter Delay Time
3
4
Parameter
Transmit Output Power
Power Density
Modulation Characteris-
tics
Modulation Characteris-
tics
Modulation Characteris-
tics
Adjacent Channel Power
(In-band Spurious)
PA 2
Suppression
PA 3
Suppression
RF Output Impedance/In-
put Impedance of RF Port
(RF_inout)
Return Loss
nd
rd
Harmonic
Harmonic
Table 16. Synthesizer Performance Characteristics
Table 15. Transmitter Performance Characteristics
(Continued)
Condition
2.441 GHz
2.480 GHz
Data = 00001111
Data = 10101010
+ 500 kHz
| M - N | = 2
| M - N | > 3
Maximum gain setting:
f
P
Maximum gain setting:
f
P
P
Condition
f
During preamble
DH1 data packet
DH3 data packet
DH5 data packet
Drift Rate
From Tx data to anten-
na
0
0
0
out
out
out
= 2402 MHz,
= 2402 MHz,
+ 20 kHz
= 4804 MHz
= 7206 MHz
@ 2.5 GHz
2.402 GHz
11
o
C ambient temperature.
2402
Min
-75
-25
-40
-40
-20
Min
140
115
0.8
-50
-53
-3
-3
-3
-4
1
Typ
120
0
0
0
0
0
4
Typ
165
125
-48
-51
-77
-98
+1
+1
+1
50
1
1
2480
Max
75
25
40
40
20
Max
175
-20
-20
-40
+4
+4
+4
-8
2
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kHz/50µs
MHz
Unit
kHz
kHz
kHz
kHz
dBm
dBm
dBm
dBm
dBm
dBm
µs
Unit
µs
kHz
kHz
dBc
dB
dB
dB