LMX2485E National Semiconductor, LMX2485E Datasheet - Page 17

• Manufacturer Part Number: LMX2485E
• Description: High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers
• Manufacturer: National Semiconductor

Bench Test Setups
Charge Pump Current Specification Definitions
I1 = Charge Pump Sink Current at V
I2 = Charge Pump Sink Current at V
I3 = Charge Pump Sink Current at V
I4 = Charge Pump Source Current at V
I5 = Charge Pump Source Current at V
I6 = Charge Pump Source Current at V
∆V = Voltage offset from the positive and negative supply rails. Defined to be 0.5 volts for this part.
v
I
Charge Pump Output Current Magnitude Variation vs. Charge Pump Output Voltage
Charge Pump Sink Current vs. Charge Pump Output Source Current Mismatch
Charge Pump Output Current Magnitude Variation vs. Temperature
CPout
CPout
refers to either I
refers to either V
CPoutRF
CPoutRF
or I
or V
CPoutIF
(Continued)
CPoutIF
CPout
CPout
CPout
CPout
CPout
CPout
= Vcc - ∆V
= Vcc/2
= ∆V
= Vcc - ∆V
= Vcc/2
= ∆V
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