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XC2311 Series VCXO ICs with Built-in Variable Capacitor ETR1408_005 GENERAL DESCRIPTION The XC2311 Series is VCXO (Voltage Controlled Crystal Oscillator) ICs with built-in variable capacitor diode. With the originally developed variable capacitor diode and a constant-voltage circuit built-in, the series achieves the wide variable frequency range, frequency stability to supply voltage and low power consumption. By combining with the AT-cut crystal oscillator, the ultra small and highly accurate Frequency Voltage Controlled Crystal Oscillator of 16 to 50MHz can be formed. The small SOT-26, USP-6C, and SOP-8 packages make high density mounting possible. APPLICATIONS VCXO modules Communication equipment FEATURES Supply Voltage Range Output Frequency Range : 2.6V ~ 3.6V : 16MHz ~ 50MHz (V2B0 = 16MHz~36MHz, V3B0 = 30MHz~50MHz)* Pull Range : more than 110ppm (XC2311V2B0xx, VC = 1.65V 1.35V) Output Waveform Symmetry : 50% / Operating Ambient Temperature : - 40 Supply Current ~ +85 : 3mA (TYP.) (when VDD is 3.6V, 27MHz and output is enable) CMOS Output Ultra Small Packages Chip Form details. : SOT-26, USP-6C, SOP-8 : Chip size 1000 x 750 m 5% * Please refer to the Electrical Characteristics for versions' CHIP PAD LAYOUT PAD COORDINATE PAD NAME VC OE (/INH) VSS OUT(Q) VDD X2 X1 PAD No. 1 2 3 4 5 6 7 X( m) Y( m) 359 359 359 -359 -359 -132 132 -244 44 244 179 -244 -244 -244 * The coordinate origin of XY-coordinate is a chip center. Unit ( m) Pad Size Chip Thickness 80 x 80 200 + 10 m m 1/12 XC2311 Series PIN CONFIGURATION X1 X2 X1 VC VDD X2 OE(INH) NC VDD VSS OUT(Q) OUT(Q) VSS VC X1 VC OE(INH) VSS (TAB) VDD X2 OUT(Q) SOP-8 (TOP VIEW) SOT-26 (TOP VIEW) USP-6C (BOTTOM VIEW) PIN ASSIGNMENT SOP-8 PIN NUMBER 1 2 3 4 5 6 7 8 PIN NAME X1 VC OE (/INH) VSS OUT (Q) NC VDD X2 I/0 I I I 0 FUNCTIONS Crystal Oscillator Connection (Input) Oscillation Frequency Control Input Output Control Input (-) Ground Output No Connection (+) Power Supply Crystal Oscillator Connection (Output) SOT-26 1 2 3 4 5 6 Note : No OE (/INH) function available. PIN NAME X1 X2 VDD OUT (Q) VSS VC I/0 I 0 I FUNCTIONS Crystal Oscillator Connection (Input) Crystal Oscillator Connection (Output) (+) Power Supply Output (-) Ground Oscillation Frequency Control Input PIN NUMBER USP-6C PIN NUMBER 1 2 3 TAB 4 5 6 PIN NAME X1 VC OE (/INH) VSS OUT (Q) VDD X2 I/O I I I 0 FUNCTIONS Crystal Oscillator Connection (Input) Oscillation Frequency Control Input Output Control Input (-) Ground Output (+) Power Supply Crystal Oscillator Connection (Output) OE (/INH), OUT (Q) PIN FUNCTION OE (/INH) "H" or OPEN "L" OUT (Q) Clock Output High Impedance 2/12 XC2311 Series PRODUCT INFORMATION Ordering Information XC2311 DESIGNATOR DESCRIPTION VCXO product Oscillation Frequency - SYMBOL V 2 3 B 0 S M E C R L T : Fixed number : 16MHz ~ 36MHz : 30MHz ~ 50MHz : Fixed number : Fixed number DESCRIPTION Package Device Orientation : SOP-8 : SOT-26 : USP-6C : Chip form : Embossed tape, standard feed : Embossed tape, reverse feed : Chip tray 3/12 XC2311 Series BLOCK DIAGRAM Rf Constant Voltage Vreg Source Level Shifter Rd Cpg Cpd Rin=Rvc1+Rvc2 Rv1 Rv2 Rvc2 Rvc1 Variable Capacitor 2 CV2 Output Buffer (Divider)out Inhibit OUT(Q) X2 X1 Variable Capacitor 1 CV1 VDD VSS Vc OE (/INH) ABSOLUTE MAXIMUM RATINGS VSS=0V, Ta=25OC PARAMETER Supply Voltage Input Voltage Output Voltage Output Current SOP-8 Power Dissipation SOT-26 USP-6C Operating Ambient Temperature Storage Temperature Range SYMBOL VDD VIN VOUT IOUT Pd Topr Tstg RATINGS MIN. VSS-0.5 VSS-0.5 VSS-0.5 TYP. 300 250 100 MAX. +7.0 VDD +0.5 VDD +0.5 30 UNIT V V V mA mW -40 -55 +85 +125 RECOMMENDED OPERATING CONDITIONS XC2311VxB0 Series Recommended Operating Conditions : VSS = 0V, Ta = -40 ~ +85 Unless otherwise stated, the item is common in XC2311V2B0 or XC2311V3B0. PARAMETER Operating Supply Voltage "H" Level Input Voltage "L" Level Input Voltage Input Voltage Control Voltage Oscillation Frequency Range SYMBOL VDD VIH VIL VIN VC f0 CONDITIONS OE (/INH) Pin OE (/INH) Pin OE (/INH) Pin 2.6V < VDD < 3.6V XC2311V2B0 XC2311V3B0 RATINGS MIN. 2.6 0.7 x VDD VSS 0 16 30 TYP. 3.3 MAX. 3.6 0.3 x VDD VDD VDD + 1.0 36 50 UNITS V V V V V MHz MHz 4/12 XC2311 Series ELECTRICAL CHARACTERISTICS XC2311VxB0 Series Condition : Unless otherwise stated, VSS = 0V, VDD = 3.3V, VC = 1.65V, Ta = 25 is common in XC2311V2B0 or XC2311V3B0. and the item PARAMETER Pull Range Operating Supply Current Supply Current Disable (*3) SYMBOL fcntr Vc = 1.65 Vc = 1.65 CONDITIONS 1.35V (*1), XC2311V2B0, 27MHz 1.35V (*1), XC2311V3B0, 47MHz RATINGS MIN. 110 100 VDD-0.4 TYP. 3.0 6.0 1.0 1.5 2.5 50 4.5 3.0 4.5 3.0 1.5 100 16 50 15 - MAX. 5.0 12.0 2.0 3.0 0.4 5.0 10 55 10 100 100 19 60 30 15 UNITS ppm IDD1 XC2311V2B0, VDD=3.6V, fosc=27MHz, CL=15pF XC2311V3B0, VDD=3.6V, fosc=47MHz, CL=15pF mA IDD2 VOH VOL Rup Ioz DUTY Rin Lin fc tr fosc=27MHz, CL=15pF, OE(/INH)= "L" fosc=47MHz, CL=15pF, OE(/INH)= "L" mA V V M A % k % kHz ns "H" Level Output Voltage "L" Level Output Voltage Input Pull-up Resistance Output Off Leak Current (*2) (*3) IOH = -5mA IOL = 5mA OE(/INH) = 0V VDD = 3.6V, OE(/INH) = "L" CL = 15pF Between the VC and the Ground pins Vc = 1.65 1.35V (*1) Vc = 1.65 1.35V (*1) 1.0 45 100 15 13 40 - Output Waveform Symmetry Input Resistance Pull Range Linearity (*2) Cut-off Frequency at Modulation (*2) , Sine wave input Output Rise Time (*2) Output Fall Time (*2) Output Enable Delay Time (*2), (*3) XC2311V2B0, CL = 15pF (from 10% to 90%) XC2311V3B0, CL = 15pF (from 10% to 90%) tf XC2311V2B0, CL = 15pF (from 10% to 90%) XC2311V3B0, CL = 15pF (from 10% to 90%) ns tpe tpd tstart Rf Cpg Cpd CL XC2311V2B0, CMOS level XC2311V3B0, CMOS level = CO/C1< 300 ns ns ms k pF pF pF Output Disable Delay Time (*2), (*3) Oscillation Start-up Time (*2) Feedback Resistance (*2) DC Block Capacity (*2) DC Block Capacity (*2) Output Load Capacity (*2) NOTE: *1: Crystal Oscillator Equivalent Parameter, *2: The value shown above indicates a design value. *3: For the SOT-26 package products, the OE (/INH) pin is fixed by an internal pull-up. No OE (/INH) function available. 5/12 XC2311 Series OUTPUT WAVEFORMS (Duty, Tr, Tf, Tpe, Tpd) Duty / Tr, Tf: Output Duty, Output Rise / Fall Time TWH TWL VOH VDD x 0.9 VDD x 0.5 Duty = TWH / (TWH + TWL) x 100% VDD x 0.1 VOL Tr Tf Tpe / Tpd: Output Enable / Disable Time Tpd Tpe OUT VIH OE(/INH) VIL 6/12 XC2311 Series TYPICAL APPLICATION CIRCUITS 1) SOP-8 and USP-6C Crystal VDD CIN X2 VDD X1 Q VC VC VSS OE *) Please mount the CIN in a near position from both the VDD and the VSS pins as much as possible. 2) SOT-26 Crystal V DD CIN X2 VDD X1 Q VC VC VSS *) Please mount the CIN in a near position from both the VDD and the VSS pins as much as possible. NOTE ON USE The content described in this data sheet might be changed without an advance notice. Please contact Torex, sales offices, or representatives to make the inquiry of latest information. 7/12 XC2311 Series PACKAGING INFORMATION SOP-8 SOT-26 USP-6C 1 .8 0 .05 6 5 2 2 .0 0 .05 AAA AAA 1 3 MAX 0 .6 4 0 .3 0 .05 (0 .1) 0 .05 1 .0 0 .1 2 1 .4 0 . 1 (0 .50) 0 .20 0 .05 0 .25 0 .05 Note: The side of pins are not gilded, but nickel is used. 8/12 XC2311 Series PACKAGING INFORMATION (Continued) USP-6C Recommended Pattern Layout USP-6C Recommended Metal Mask Design 9/12 XC2311 Series MARKING RULE 8 7 6 5 SOP-8 Represents product series MARK 2 Represents VCXO product MARK V Represents oscillation frequency range MARK 2 3 FREQUENCY RANGE 16MHz ~ 36MHz 30MHz ~ 50MHz PRODUCT SERIES XC2311x2xxxx XC2311x3xxxx PRODUCT SERIES XC2311Vxxxxx SOP-8 (TOP VIEW) 1 2 3 4 PRODUCT SERIES 1 XC2311xxxxxx Represents operating voltage range MARK B OPERATING VOLTAGE RANGE PRODUCT SERIES XC2311xxBxxx 2.6V ~ 3.6V Represents divider circuit MARK 0 DIVIDER CIRCUIT No Divider PRODUCT SERIES XC2311xxx0xx Represents last digit of production year ex) MARK 5 6 Represents production lot number 0 to 9, A to Z repeated (G, I, J, O, Q, W excepted. No high-order zero marked. ) Note: No character inversion used. YEAR 2005 2006 ex) MARK 1 3 A PRODUCTION LOT NUMBER 03 A 10/12 XC2311 Series MARKING RULE (Continued) SOT-26 Represents oscillation frequency range MARK L M FREQUENCY RANGE 16MHz ~ 36MHz 30MHz ~ 50MHz PRODUCT SERIES XC2311x2xxxx XC2311x3xxxx 6 5 4 Represents operating voltage range MARK B OPERATING VOLTAGE RANGE 1 2 3 SOT-26 PRODUCT SERIES XC2311xxBxxx (TOP VIEW) 2.6V ~ 3.6V Represents divider circuit MARK 0 DIVIDER CIRCUIT No Divider PRODUCT SERIES XC2311xxx0xx Represents production lot number 0 to 9, A to Z, reverse character 0 to 9, A to Z repeated (G, I, J, O, Q, W excepted.) USP-6C Represents product series MARK 2 1 1 6 5 4 PRODUCT SERIES XC2311xxxxxx 2 3 Represents oscillation frequency range MARK 2 3 FREQUENCY RANGE 16MHz~36MHz 30MHz~50MHz PRODUCT SERIES XC2311x2xxxx XC2311x3xxxx USP-6C (TOP VIEW) Represents operating voltage range MARK B OPERATING VOLTAGE RANGE PRODUCT SERIES XC2311xxBxxx 2.6V~3.6V Represents divider circuit MARK 0 DIVIDER CIRCUIT No Divider PRODUCT SERIES XC2311xxx0xx Represents production lot number 0 to 9, A to Z repeated (G, I, J, O, Q, W excepted.) Note: No character inversion used. 11/12 XC2311 Series 1. The products and product specifications contained herein are subject to change without notice to improve performance characteristics. Consult us, or our representatives before use, to confirm that the information in this catalog is up to date. 2. We assume no responsibility for any infringement of patents, patent rights, or other rights arising from the use of any information and circuitry in this catalog. 3. Please ensure suitable shipping controls (including fail-safe designs and aging protection) are in force for equipment employing products listed in this catalog. 4. The products in this catalog are not developed, designed, or approved for use with such equipment whose failure of malfunction can be reasonably expected to directly endanger the life of, or cause significant injury to, the user. (e.g. Atomic energy; aerospace; transport; combustion and associated safety equipment thereof.) 5. Please use the products listed in this catalog within the specified ranges. Should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives. 6. We assume no responsibility for damage or loss due to abnormal use. 7. All rights reserved. No part of this catalog may be copied or reproduced without the prior permission of Torex Semiconductor Ltd. 12/12 |
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