LMX2502 Datasheet, PDF (4/18 Pages) National Semiconductor (TI) – PLLatinum™ Frequency Synthesizer System with Integrated VCO

Absolute Maximum Ratings (Notes 1,
2, 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Parameter
Symbol Ratings
Units
Supply Voltage
V_CC, V_DD -0.3 to 3.6
V
Voltage on any pin V_I
-0. 3 to V_CC+0.3 V
to GND
-0. 3 to V_DD+0.3 V
Storage Temperature T_STG
-65 to 150
˚C
Range
Recommended Operating
Conditions
Parameter
Symbol Min Typ Max Units
Ambient Temperature T_A
-30 25 85 ˚C
Supply Voltage (to GND) V_CC, V_DD 2.7
3.3 V
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to
the device may occur. Recommended Operating Conditions indicate condi-
tions for which the device is intended to be functional, but do not guarantee
specific performance limits. For guaranteed specifications and test condi-
tions, refer to the Electrical Characteristics section. The guaranteed specifi-
cations apply only for the conditions listed.
Note 2: This device is a high performance RF integrated circuit with an ESD
rating < 2 kV and is ESD sensitive. Handling and assembly of this device
should be done at ESD protected work stations.
Note 3: GND = 0 V.
Electrical Characteristics (V_CC = V_DD = 2.8 V, T_A = 25 ˚C; unless otherwise noted)
Symbol Parameter
I_CC PARAMETERS
I_CC + I_DD Total Supply Current
(I_CC +
RF PLL Total Supply Current
I_DD)_RF
I_PD
Power Down Current (Note 4)
REFERENCE OSCILLATOR PARAMETERS
f_OSCin
Reference Oscillator Input Frequency
(Note 5)
V_OSCin
RF VCO
Reference Oscillator Input Sensitivity
f_RFout
Frequency Range
(Note 6)
LMX2502LQ1635
LMX2512LQ0967
LMX2512LQ1065
P_RFout
RF Output Power
Lock Time
(Note 7)
LMX2502LQ1635
LMX2512LQ0967
LMX2512LQ1065
L(f)_RFout
Reference Spurs
RMS Phase Error
Phase Noise
LMX2502LQ1635
LMX2512LQ0967
LMX2512LQ1065
2nd Harmonic Suppression
3rd Harmonic Suppression
Condition
Min
OB_CRL [1:0] = 00
OB_CRL [1:0] = 00
CE = LOW or
RF_EN = 0
IF_EN = 0
19.20 MHz and 19.68
MHz are supported
19.20
RF VCO
OB_CRL [1:0] = 11
OB_CRL [1:0] = 10
OB_CRL [1:0] = 01
OB_CRL [1:0] = 00
30 MHz Band for RF
PLL
25 MHz Band for RF
PLL
25 MHz Band for RF
PLL
1619.62
954.42
1052.64
-2
-5
-7
-9
RF PLL in all band
@ 100 kHz offset
@ 1.25 MHz offset
@ 100 kHz offset
@ 900 kHz offset
@ 100 kHz offset
@ 900 kHz offset
Typ
17
16
0.2
1
-2
-4
-6
500
500
500
1.3
-113
-138
-117
-139
-117
-139
Max
Units
19
mA
18
mA
20
µA
19.68
MHz
V_CC
Vp-p
1649.62
979.35
1077.57
4
1
-1
-3
800
MHz
MHz
MHz
dBm
dBm
dBm
dBm
µs
800
µs
800
µs
-75
-112
-136
-115
-138
-115
-138
-25
-20
dBc
degrees
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc
dBc
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