LMX2335L National Semiconductor Corporation, LMX2335L Datasheet
LMX2335L
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LMX2335L Summary of contents
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... Enable, Clock). Supply voltage can range from 2.7V to 5.5V. The LMX2335L/36L feature very low current consumption; LMX2335L 4 5V, LMX2336L 5 5V. The LMX2335L is available in SO, TSSOP and CSP 16-pin surface mount plastic packages. The LMX2336L is available in a TSSOP 20-pin and CSP 24-pin surface mount plastic package ...
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... O RF1 charge pump output. For connection to a loop filter for driving o the input of an external VCO. 3 GND LMX2335L: Ground for RF1 analog and RF1 digital circuits. LMX2336L: Ground for RF digital circuits RF1 prescaler input. Small signal input from the VCO. ...
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... I RF2 prescaler input. Small signal input from the VCO GND LMX2335L: Ground for RF2 analog, RF2 digital, MICROWIRE and Oscillator circuits. LMX2336L: Ground for IF digital, o MICROWIRE RF2 charge pump output. For connection to a loop filter for driving o the input of an external VCO ...
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... V 2 are clamped to each other by diodes and must be run at the same ≥ LMX2335L Pin # → 8/10 ← LMX2336L Pin # Pin Name → signifies a function not bonded out to a pin 4 2 supplies power to the RF2 prescaler, N-counter, phase 01280704 ...
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... Storage Temperature Range ( Lead Temperature (solder 4 sec Electrical Characteristics V = 5.0V 5.0V 25˚C, except as specified Symbol Parameter I Power Supply LMX2335L CC Current I LMX2335L RF1 only CC I LMX2336L CC RF1 and RF2 LMX2336L RF1 only f 1 Operating LMX2335L IN Frequency LMX2336L ...
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Electrical Characteristics V = 5.0V 5.0V 25˚C, except as specified Symbol Parameter I vs Charge Pump Sink Do-SINK I vs Soure Mismatch Do-SOURCE Charge Pump Do Do Current Vs Voltage ...
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Charge Pump Current Specification Definitions − ∆ sink current sink current ∆ sink current ...
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... Typical Performance Characteristics LMX2335L Charge Pump Current HIGH cp www.national.com 01280720 Voltage Charge Pump Current 01280722 LMX2336L 01280721 Voltage LOW cp 01280723 ...
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... MHz to 1.5 GHz CC IN Marker GHz, Real = 94, Imaginary = −118 Marker 2 = 1.2 GHz, Real = 72, Imaginary = −88 Marker 3 = 1.5 GHz, Real = 53, Imaginary = −45 Marker 4 = 500 MHz, Real = 201, Imaginary = −224 LMX2335L Input Impedance (for TSSOP package) (Continued) LMX2336L Input Impedance (for TSSOP package 2.7V to 5.5V 01280724 Marker GHz, Real = 97, Imaginary = − ...
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... Typical Performance Characteristics LMX2335L RF/IF PLL, LMX2336 IF PLL (for CSP 2.7V to 5.5V MHz to 1.5 GHz CC IN Marker 1 = 100 MHz, 446 −j279 ohm Marker 2 = 500 MHz, 178 −j210 ohm Marker 3 = 1500 MHz, 84 −j132 ohm Marker 4 = 2000 MHz, 54 −j84 ohm I TRI-STATE Voltage o www.national.com (Continued) ...
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... Typical Performance Characteristics LMX2335L RF2 Sensitivity vs Frequency LMX2336L RF2 Sensitivity vs Frequency (Continued) LMX2336L RF1 Sensitivity vs Frequency 01280728 Oscillator Input Sensitivity vs Frequency 01280730 11 01280729 01280737 www.national.com ...
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Functional Description The simplified block diagram below shows the 22-bit data register, two 15-bit R Counters and two 18-bit N Counters (intermediate latches are not shown). The data stream is clocked (on the rising edge of Clock) into the DATA ...
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Functional Description PROGRAMMABLE DIVIDER (N COUNTER) Each N counter consists of the 7-bit swallow counter (A counter) and the 11-bit programmable counter (B counter). If the Control Bits are (10 for RF2 counter and 11 for RF1 ...
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Functional Description Phase Detector Polarity (Note 10) 0 Negative 1 Positive Note 8: Refer to POWERDOWN OPERATION in Functional Description. Note 9: The I LOW current state = 1 CPo Note 10: ...
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Functional Description RF1 R[19] RF2 R[19] (RF1 LD) (RF2 LD — don’t care condition Note ...
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Functional Description SERIAL DATA INPUT TIMING Parenthesis data indicates programmable reference divider data. Data shifted into register on clock rising edge. Data is shifted in MSB first Data to Clock Set Up Time Data to ...
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Typical Application Example Operational Notes: * VCO is assumed AC coupled increases impedance so that VCO output power is provided to the load rather than the PLL. Typical values are 10Ω 200Ω depending on the VCO ...
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Application Information A block diagram of the basic phase locked loop is shown in Figure 1. Loop Gain Equations A linear control system model of the phase feedback for a PLL in the locked state is shown in Figure 2. ...
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... Fastlock. Fastlock Circuit Implementation A diagram of the Fastlock scheme as implemented in Na- tional Semiconductors LMX2335L/36L PLL is shown in Fig- ure 5. When a new frequency is loaded, and the RF1 I is set high, the charge pump circuit receives an input to deliver 4 times the normal current per unit phase error while an open drain NMOS on chip device switches in a second R2 resistor element to ground ...
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Physical Dimensions inches (millimeters) unless otherwise noted 24-Pin Chip Scale Package Order Number LMX2336LSLB *For Tape and Reel (2500 Units Per Reel) Order Number LMX2336LSLBX NS Package Number SLB24A 21 www.national.com ...
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... Order Number LMX2335LM *For Tape and Reel (2500 Units Per Reel) Order Number LMX2335LMX NS Package Number M16A 16-Lead Thin Shrink Small Outline Package (TM) Order Number LMX2335LTM *For Tape and Reel (2500 Units Per Reel) Order Number LMX2335LTMX NS Package Number MTC16 22 ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead (0.173" Wide) Thin Shrink Small Outline Package (TM) Order Number LMX2336LTM *For Tape and Reel (2500 Units Per Reel) Order Number LMX2336LTMX NS Package Number MTC20 23 www.national.com ...
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... Chip Scale Package Order Number LMX2335LSLB *For Tape and Reel (2500 Units Per Reel) Order Number LMX2335LSLBX NS Package Number SLB16A 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness ...