LMX2350 National Semiconductor Corporation, LMX2350 Datasheet - Page 5

• Manufacturer Part Number: LMX2350
• Description: Pllatinum Tm Fractional N Rf / Integer N If Dual Low Power Frequency Synthesizer
• Manufacturer: National Semiconductor Corporation

Symbol
Charge Pump
ICPo-
RF
ICPo-
ICPo-
RF
ICPo-
ICPo-
IF
ICPo-
ICPo-
IF
ICPo-
ICPo-
ICPo-
vs.
ICPo-
ICPo vs.
VCPo
ICPo vs. T
Digital Interface
V
V
I
I
I
I
V
V
MICROWIRE Timing
t
t
t
t
t
t
IH
IL
IH
IL
CS
CH
CWH
CWL
ES
EW
All Min/Max specifications are guaranteeed by design, or test, or statistical methods.
IH
IL
OH
OL
Electrical Characteristics
specified) (Continued)
Note 3: Minimum operating frequencies are not production tested - only characterized.
Note 4: except fin, OSCin and OSCx
source
sink RF
source
sink RF
source
sink IF
source
sink IF
Tri
sink
source
Parameter
RF Charge Pump
Output Current (see
Programming
Description 3.2.2)
IF Charge Pump Output
Current (see
Programming
Description 3.1.4)
Charge Pump
TRI-STATE Current
CP Sink vs. Source
Mismatch
CP Current vs. Voltage
Temperature
High-level Input Voltage
Low-level Input Voltage
High-level Input Current
Low-level Input Current
Oscillator Input Current
Oscillator Input Current
High-level Output
Voltage
High-level Output
Voltage
Data to Clock Setup
Time
Data to Clock Hold
Time
Clock Pulse Width High
Clock Pulse Width Low
Clock to Load Enable
Set Up Time
Load Enable Pulse
Width
CP Current vs
Conditions
VCPo Vp/2, RF_CP_WORD = 0000
VCPo = Vp/2, RF_CP_WORD = 0000
VCPo = Vp/2, RF_CP_WORD = 1111
VCPo = Vp/2, RF_CP_WORD = 1111
VCPo = Vp/2, CP_GAIN_8 = 0
VCPo = Vp/2, CP_GAIN_8 = 0
VCPo = Vp/2, CP_GAIN_8 = 1
VCPo = Vp/2, CP_GAIN_8 = 1
0.5
-40˚ C
VCPo = Vp/2
TA = 25˚ C
0.5
0.5
T
VCPo = Vp/2
-40˚ C
(Note 4)
(Note 4)
V
V
V
V
I
I
See Data Input Timing
See Data Input Timing
See Data Input Timing
See Data Input Timing
See Data Input Timing
See Data Input Timing
OH
OL
A
IH
IL
IH
IL
(V
= 0, V
= 0, V
= 500 µA
= 25˚ C
= V
= V
= −500 µA
cc RF
VCPo
VCPo
CC
CC
<
<
= V
CC
CC
TA
TA
= 5.5 V, (Note 4)
= 5.5 V
= 5.5 V, (Note 4)
= 5.5 V
cc IF
<
<
Vp - 0.5
Vp -
85˚ C
85˚ C
= V
P RF
RFICPo
= 400 µA - 1.6 mA
RFICPo
= 800 µA - 1.6 mA
= V
5
P IF
= 3.0V; −40˚ C
Min
-2.5
0.8 Vcc
−1.0
−1.0
−100
V
50
10
50
50
50
50
<
CC
T
A
−0.4
<
85˚ C except as
−100
−100
−800
−1.6
Typ
100
100
800
1.6
3
4
8
Max
2.5
10
15
0.2 Vcc
1.0
1.0
100
0.4
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Units
µA
µA
mA
mA
µA
µA
µA
µA
nA
%
%
%
V
V
µA
µA
µA
µA
V
V
ns
ns
ns
ns
ns
ns