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| LMX2430_14 Datasheet, PDF (9/48 Pages) Texas Instruments – PLLatinum™ Dual High Frequency Synthesizer for RF Personal Communications | |||
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Charge Pump Current Specification Definitions
LMX2430, LMX2433, LMX2434
SNAS187B â MAY 2004 â REVISED MAY 2004
I1 = Charge Pump Sink Current at VCPout = Vcc â ÎV
I2 = Charge Pump Sink Current at VCPout = Vcc//2
I3 = Charge Pump Sink Current at VCPout = ÎV
I4 = Charge Pump Source Current at VCPout = Vcc â ÎV
I5 = Charge Pump Source Current at VCPout = Vcc/2
I6 = Charge Pump Source Current at VCPout = ÎV
ÎV = Voltage offset from the positive and negative rails. Dependent on the VCO tuning range relative to Vcc and
GND. Typical values are between 0.5V and 1.0V.
VCPout refers to either VCPoutRF or VCPoutIF
ICPout refers to either ICPoutRF or ICPoutIF
Figure 5. Charge Pump Output Current Magnitude Variation Vs Charge Pump Output Voltage
Figure 6. Charge Pump Output Sink Current Vs Charge Pump Output Source Current Mismatch
Figure 7. Charge Pump Output Current Magnitude Variation Vs Temperature
Copyright © 2004, Texas Instruments Incorporated
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Product Folder Links: LMX2430 LMX2433 LMX2434
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