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LMX2541SQ2380E Datasheet(PDF) 7 Page - Texas Instruments |
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LMX2541SQ2380E Datasheet(HTML) 7 Page - Texas Instruments |
7 / 64 page LMX2541SQ2060E, LMX2541SQ2380E LMX2541SQ2690E, LMX2541SQ3030E LMX2541SQ3320E, LMX2541SQ3740E www.ti.com SNOSB31I – JULY 2009 – REVISED FEBRUARY 2013 Electrical Characteristics (continued) (3.15 V ≤ VCC ≤ 3.45 V, -40°C ≤ TA ≤ 85 °C; except as specified. Typical values are at Vcc = 3.3 V, 25 C.) Symbol Parameter Conditions Min Typ Max Units Charge Pump 0.4 V < VCPout < Vcc - 0.4 ICPoutV 4 % Current vs. CP Voltage Variation TA = 25°C CP Current vs. Temperature ICPoutT VCPout = Vcc / 2 8 % Variation CPG = 1X -116 Normalized PLL 1/f Noise dBc/Hz LNPLL_flicker(10 kHz) CPG = 32X -124.5 LN(f) (3) CPG = 1X -220.8 Normalized PLL Noise Floor dBc/Hz LNPLL_flat(1 Hz) CPG = 32X -225.4 RFout Buffer Enabled and VCO_DIV > 1 400 4000 fExtVCOin PLL Input Frequency MHz RFout Buffer Disabled and VCO_DIV = 1 400 6000 fExtVCOin ≤ 4 GHz -15 10 PLL Input Sensitivity pExtVCOin dBm ((2) applies to Max Limit Only) fExtVCOin > 4 GHz -5 10 VCO Specifications 2060E 1990 2240 2380E 2200 2530 Mode = Full Chip Mode 2690E 2490 2865 fVCO Internal VCO Frequency Range This is the frequency before the MHz 3030E 2810 3230 VCO divider. 3320E 3130 3600 3740E 3480 4000 Maximum Allowable Temperature ΔTCL (4),(5) 125 °C Drift for Continuous Lock 2060E 3.5 2380E 2.8 Maximum Frequency 2690E 1.6 RF Output Power pRFout Default Power Mode dBm (6) 3030E 1.2 VCO_DIV=1 3320E 0.2 3740E - 0.3 Fixed Temperature with 100 MHz frequency change 0.3 at the output ΔPRFout Change in Output Power dB Fixed frequency with a change over the entire 0.4 temperature range (3) Consult the Applications Information for more details on these parameters. (4) Not tested in production. Guaranteed by characterization. OSCin is tested only to 400 MHz. (5) Maximum Allowable Temperature Drift for Continuous Lock is how far the temperature can drift in either direction from the value it was at the time that the R0 register was last programmed, and still have the device stay in lock. The action of programming the R0 register, even to the same value, activates a frequency calibration routine. This implies that the device will work over the entire frequency range, but if the temperature drifts more than the maximum allowable drift for continuous lock, then it will be necessary to reload the R0 register to ensure that it stays in lock. Regardless of what temperature the device was initially programmed at, the temperature can never drift outside the frequency range of -40°C ≤TA≤ 85°C without violating specifications. (6) The measurement of the output power is sensitive to the test circuit. All the numbers in the electrical specifications and typical performance curves were obtained from a characterization setup that accommodate temperature testing and changing of parts. In a more optimized setup the measured RF output power is typically on the order of 1.5 to 2.4 dB higher. Copyright © 2009–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LMX2541SQ2060E LMX2541SQ2380E LMX2541SQ2690E LMX2541SQ3030E LMX2541SQ3320E LMX2541SQ3740E |
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