5076 series VCXO Module IC with Built-in Varicap
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1 XO Module IC with Built-in Varicap OVERVIEW The 576 series are miniature XO ICs that provide a wide frequency pulling range, even when using miniature crystal units for which a wide pulling range is difficult to provide. They employ a recently developed varicap diode fabrication process that provides a wide frequency pulling range and good linearity without any external components. Also, they employ a regulated voltage drive oscillator circuit that significantly reduces current consumption, crystal current, and oscillation characteristics supply voltage dependency. The 576 series are ideal for miniature, wide pulling range, low power consumption, XO modules. FEATURES XO with recently developed varicap diode built-in New fabrication process that significantly reduces parasitic capacitance and provides wide pulling range even when using miniature crystal units Regulated voltage drive oscillator circuit for reduced power consumption, crystal drive current, and oscillation characteristics voltage dependency Wide frequency pulling range ± 16ppm (B1 version, f = 27MHz) (: γ = 3, C = 1.5pF) Operating supply voltage range: 1.6V to 2.V Oscillation frequency range (for fundamental oscillation): 2MHz to 55MHz (varies with version) Low current consumption:.5ma (B1 version, f = 27MHz, no load, V DD = 1.8V) Frequency divider built-in Selectable by version: f O, f O /2, f O /4, f O /8, f O /16 Frequency divider output for 1.3MHz (min) low frequency output pin input resistance: 1MΩ (min) CMOS output Two types of pad layout selectable by mounting method A version: for Flip Chip Bonding B version: for Wire Bonding Package: Wafer form (WF576 ) Chip form (CF576 ) APPLICATIONS mm, mm size miniature XO modules for digital mobile TV tuner, digital TV (PDP, LCD), PND (Personal Navigation Device), etc. ORDERING INFORMATION Device WF576 4 CF576 4 Package Wafer form Chip form SEIKO NPC CORPORATION 1
2 SERIES CONFIGURATION Operating supply voltage range [V] PAD layout Recommended operating frequency range *1 [MHz] Output frequency and version name *2 f O output f O /2 output f O /4 output f O /8 output f O /16 output 1.6 to 2. Flip Chip Bonding Wire Bonding 2 to 4 (576A1) (576A2) (576A3) (576A4) (576A5) 4 to 55 (576AJ) (576AK) (576AL) (576AM) (576AN) 2 to 4 576B1 (576B2) (576B3) (576B4) (576B5) 4 to 55 (576BJ) (576BK) (576BL) (576BM) (576BN) *1. The recommended operating frequency is a yardstick value derived from the crystal used for NPC characteristics authentication. However, the oscillation frequency range is not guaranteed. Specifically, the characteristics can vary greatly due to crystal characteristics and mounting conditions, so the oscillation characteristics of components must be carefully evaluated. *2. Versions in parentheses ( ) are under development. Please contact us for further details. VERSION NAME Device Package Version name WF576 4 Wafer form WF576 4 CF576 4 Chip form Form WF: Wafer form CF: Chip (Die) form Oscillation frequency range, frequency divider function Pad layout type A: for Flip Chip Bonding B: for Wire Bonding SEIKO NPC CORPORATION 2
3 PAD LAYOUT (Unit: µm) 576A (for Flip Chip Bonding) 576B (for Wire Bonding) (42, 345) (42, 345) Y 6 (,) 3 Y 6 (,) ( 42, 345) N ( 42, 345) N X Chip size:.84.69mm Chip thickness: 13µm ± 15µm PAD size: 9µm 9µm Chip base: V SS level X Chip size:.84.69mm Chip thickness: 13µm ± 15µm PAD size: 9µm 9µm Chip base: V SS level PAD DIMENSIONS PIN DESCRIPTION Pad No. Pad dimensions [µm] Pad No. X Y 576A 576B Pin I/O Description I connection pin (amplifier input) N O connection pin (amplifier output) (+) supply pin O Clock output pin ( ) supply pin I Oscillation frequency control voltage input pin (positive polarity) (frequency increases with increasing voltage) BLOCK DIAGRAM Voltage Regulator CIN Rf RD Oscillation Detector N COUT Level Shifter R1 R2 1 N *1 CMOS ouput Buffer C1 C2 *1. N = 1, 2, 4, 8, 16 SEIKO NPC CORPORATION 3
4 ABSOLUTE MAXIMUM RATINGS V SS = V Note. Absolute maximum ratings are the values that must never exceed even for a moment. This product may suffer breakdown if any one of these parameter ratings is exceeded. Operation and characteristics are guaranteed only when the product is operated at recommended supply voltage range. RECOMMENDED OPERATING CONDITIONS V SS = V Parameter Symbol Conditions Rating Unit Supply voltage range V DD Between and.5 to +5. V Input voltage range *1 *1. V DD is a V DD value of recommended operating conditions. V IN Input pins.5 to V DD +.5 V Output voltage range *1 V OUT Output pins.5 to V DD +.5 V Storage temperature range T STG Wafer form, chip form 65 to +15 C Output current I OUT pin ± 2 ma Parameter Symbol Conditions Rating Min Typ Max Unit Operating supply voltage V DD C LOUT 15pF V Input voltage V IN pin V SS V DD V Operating temperature T OPR C Oscillation frequency *1 f to MHz O 576 J to 576 N 4 55 MHz Output frequency f OUT C LOUT 15pF to MHz 576 J to 576 N MHz *1. The oscillation frequency is a yardstick value derived from the crystal used for NPC characteristics authentication. However, the oscillation frequency range is not guaranteed. Specifically, the characteristics can vary greatly due to crystal characteristics and mounting conditions, so the oscillation characteristics of components must be carefully evaluated. Note. Mount a ceramic chip capacitor that is larger than.1µf proximal to IC (within approximately 3mm) between and in order to obtain stable operation of 576 series. In addition, the wiring pattern between IC and capacitor should be as wide as possible. SEIKO NPC CORPORATION 4
5 ELECTRICAL CHARACTERISTICS to V DD = 1.6 to 2.V, V C =.5V DD, V SS = V, Ta = 4 to +85 C unless otherwise noted. Parameter Symbol Conditions Rating Min Typ Max Unit (f O ), 1, no load, f O = 27MHz, f OUT = 27MHz, V DD = 1.8V.5 1. ma (f O /2), 1, no load, f O = 27MHz, f OUT = 13.5MHz, V DD = 1.8V.4.8 ma Current consumption I DD (f O /4), 1, no load, f O = 27MHz, f OUT = 6.75MHz, V DD = 1.8V.3.6 ma (f O /8), 1, no load, f O = 27MHz, f OUT = 3.38MHz, V DD = 1.8V.3.6 ma (f O /16), 1, no load, f O = 27MHz, f OUT = 1.69MHz, V DD = 1.8V.3.6 ma HIGH-level output voltage V OH pin, 2, I OH = 2.mA V DD.4 V LOW-level output voltage V OL pin, 2, I OL = 2.mA.4 V Oscillator block built-in resistance R kω 3 R kω V C =.2V 4.7 pf Oscillator block built-in capacitance C 1 V C =.9V 2.9 pf Design value (a monitor pattern on a wafer is tested), Excluding parasitic capacitance. V C = 1.6V V C =.2V pf pf C 2 V C =.9V 2.9 pf V C = 1.6V 1.7 pf input resistance R VIN 4, Ta = 25 C 1 MΩ Modulation characteristics *1 fm 5, 3dB frequency, V DD = 1.8V, V C = 1.8Vp-p, Ta = 25 C, f O = 27MHz 1 khz *1. The modulation characteristics may vary with the crystal used. SEIKO NPC CORPORATION 5
6 576 J to 576 N V DD = 1.6 to 2.V, V C =.5V DD, V SS = V, Ta = 4 to +85 C unless otherwise noted. Parameter Symbol Conditions Rating Min Typ Max Unit 576 J (f O ), 1, no load, f O = 48MHz, f OUT = 48MHz, V DD = 1.8V ma 576 K (f O /2), 1, no load, f O = 48MHz, f OUT = 24MHz, V DD = 1.8V ma Current consumption I DD 576 L (f O /4), 1, no load, f O = 48MHz, f OUT = 12MHz, V DD = 1.8V.5 1. ma 576 M (f O /8), 1, no load, f O = 48MHz, f OUT = 6MHz, V DD = 1.8V.4.8 ma 576 N (f O /16), 1, no load, f O = 48MHz, f OUT = 3MHz, V DD = 1.8V.4.8 ma HIGH-level output voltage V OH pin, 2, I OH = 2.mA V DD.4 V LOW-level output voltage V OL pin, 2, I OL = 2.mA.4 V Oscillator block built-in resistance R kω 3 R kω V C =.2V 4.7 pf Oscillator block built-in capacitance C 1 V C =.9V 2.9 pf Design value (a monitor pattern on a wafer is tested), Excluding parasitic capacitance. V C = 1.6V V C =.2V pf pf C 2 V C =.9V 2.9 pf V C = 1.6V 1.7 pf input resistance R VIN 4, Ta = 25 C 1 MΩ Modulation characteristics *1 fm 5, 3dB frequency, V DD = 1.8V, V C = 1.8Vp-p, Ta = 25 C, f O = 48MHz 35 khz *1. The modulation characteristics may vary with the crystal used. SEIKO NPC CORPORATION 6
7 SWITCHING CHARACTERISTICS V DD = 1.6 to 2.V, V C =.5V DD, V SS = V, Ta = 4 to +85 C unless otherwise noted. Parameter Symbol Conditions Rating Min Typ Max Unit Output rise time t r 6,.2V DD.8V DD, C LOUT = 15pF Output fall time t f 6,.8V DD.2V DD, C LOUT = 15pF ns ns Output duty cycle Duty 6, Ta = 25 C, C LOUT = 15pF, V DD = 1.8V % Switching Time Measurement Waveform TW.2 DUTY measurement voltage (.5) T DUTY= TW/ T 1 (%) tr tf SEIKO NPC CORPORATION 7
8 MEASUREMENT CIRCUITS Measurement Circuit 1 Measurement parameter: I DD Measurement Circuit 4 Measurement parameter: R VIN IDD A N IVIN A N RVIN = IVIN Measurement Circuit 2 Measurement parameter: V OH, V OL Measurement Circuit 5 Measurement parameter: fm Signal Generator V.1µF 5Ω N VOH VS VS VOL VOH VOL V 5Ω V VS Gain-phase Analyzer (HP 4194A) Modulaiton Analyzer (HP 891B) Modulation signal C1 Demodulation signal C1 = 33µF, R1 = R2 = 1MΩ modulation signal: 1Hz to 1kHz, to V DD p-p R1 R2 N CLOUT = 15pF V S adjusted such that V = 5 I OH. input signal: 1Vp-p, sine wave V S adjusted such that V = 5 I OL. Measurement Circuit 6 Measurement parameter: Duty, t r, t f Measurement Circuit 3 Measurement parameter: R 1, R 2 N I A IN A (Including probe capacitance) N N R1 = I R2 = IN SEIKO NPC CORPORATION 8
9 FUNCTIONAL DESCRIPTION Oscillation Start-up Detector Function The devices also feature an oscillation start-up detector circuit. This circuit functions to disable the outputs until the oscillation starts. This prevents unstable oscillator output at oscillator start-up when power is applied. TYPICAL PERFORMANCE (576B1) The following characteristics measured using the crystal below. Note that the characteristics will vary with the crystal used. used for measurement equivalent circuit Parameter f O = 27MHz L1 C1 R1 C [pf] 1.5 γ (= C/C1) 3 C Frequency Pulling Range Pulling Sensitivity Pulling range [ppm] [V] V DD = 1.8V, f OUT = 27MHz, Ta = R.T. Sensitivity [ppm/v] [V] V DD = 1.8V, f OUT = 27MHz, Ta = R.T. N (Including probe capacitance) SEIKO NPC CORPORATION 9
10 Current Consumption 3 IDD A 2.5 IDD [ma] = V =.9V = 1.8V = V =.9V = 1.8V N CLOUT = No load Frequency [MHz] V DD = 1.8V, Ta = R.T. Frequency Stability by Supply Voltage Change f/f [ppm] = V = 1.8V =.9V N (Including probe capacitance) [V] f OUT = 27MHz, ± ppm at V DD = 1.8V, Ta = R.T. Drive Level 3 Drive level [µw] Tektronix CT-6 Current Probe IX'tal N [V] V DD = 1.8V, f OUT = 27MHz, Ta = R.T. DL = (I X tal ) 2 Re DL: drive level I X tal : current flowing to crystal (RMS value) Re: crystal effective resistance SEIKO NPC CORPORATION 1
11 Negative Resistance Negative resistance [Ω] Frequency [MHz] = 1.8V 2 =.9V 4 6 = V Network Analyzer (Agilent 4396B) S-Parameter Test Set (Agilent 8546A) C = 2pF N 8 V DD = 1.8V, C = 2pF, Ta = R.T. Note. "C" value is set, concerning the actual crystal characteristics connected between and N. The data is measured with Agilent 4396B using NPC s original measurement jig. The values may vary with measurement jig and conditions. Phase Noise 6 Phase noise [dbc/hz] = 1.8V =.9V = V , 1, 1, 1,, 1,, Offset Frequency [Hz] N.1µF 2Ω Signal Source Analyzer (Agilent E552A) V DD = 1.8V, f OUT = 27MHz, Ta = R.T. SEIKO NPC CORPORATION 11
12 Modulation Characteristics 3 fm [db] 3 6 Gain-phase Analyzer (HP 4194A) Modulation signal C1 R1 R2 N CLOUT = 15pF 9 Modulaiton Analyzer (HP 891B) Demodulation signal Frequency [khz] C1 = 33µF, R1 = R2 = 1MΩ modulation signal: 1Hz to 1kHz, to V DD p-p V DD = 1.8V, f OUT = 27MHz, Ta = R.T. Output Waveform Measurement equipment: Oscilloscope; DSO864B (Agilent) N (Including probe capacitance) V DD = 1.8V, f OUT = 27MHz, V C =.5V DD, C LOUT = 15pF, Ta = R.T. SEIKO NPC CORPORATION 12
13 Please pay your attention to the following points at time of using the products shown in this document. 1. The products shown in this document (hereinafter Products ) are designed and manufactured to the generally accepted standards of reliability as expected for use in general electronic and electrical equipment, such as personal equipment, machine tools and measurement equipment. The Products are not designed and manufactured to be used in any other special equipment requiring extremely high level of reliability and safety, such as aerospace equipment, nuclear power control equipment, medical equipment, transportation equipment, disaster prevention equipment, security equipment. The Products are not designed and manufactured to be used for the apparatus that exerts harmful influence on the human lives due to the defects, failure or malfunction of the Products. If you wish to use the Products in that apparatus, please contact our sales section in advance. In the event that the Products are used in such apparatus without our prior approval, we assume no responsibility whatsoever for any damages resulting from the use of that apparatus. 2. NPC reserves the right to change the specifications of the Products in order to improve the characteristics or reliability thereof. 3. The information described in this document is presented only as a guide for using the Products. No responsibility is assumed by us for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of the third parties. Then, we assume no responsibility whatsoever for any damages resulting from that infringements. 4. The constant of each circuit shown in this document is described as an example, and it is not guaranteed about its value of the massproduction products. 5. In the case of that the Products in this document falls under the foreign exchange and foreign trade control law or other applicable laws and regulations, approval of the export to be based on those laws and regulations are necessary. Customers are requested appropriately take steps to obtain required permissions or approvals form appropriate government agencies. SEIKO NPC CORPORATION 1-9-9, Hatchobori, Chuo-ku, Tokyo 14-32, Japan Telephone: Facsimile: sales@npc.co.jp NC811BE 21.2 SEIKO NPC CORPORATION 13
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