ASAHI KASEI EMD CORPORATION Low Suprious Multiclock Generator for Audio AK8133 Features Description The AK8133 is a member of AKEMD’s low power multi clock generator family designed for a high quality audio cock with high performance C/N. The AK8133 generates different frequency clocks from a 27MHz crystal oscillator or external 27MHz clock input. It provides them to up to four outputs configured by pin-setting. Both circuitries of XO and PLL in AK8133 are derived from AKEMD’s long-term-experienced clock device technology, and enable clock output to perform low jitter and to operate with very low current consumption. The AK8133 is available in a 16-pin SSOP package. 27MHz Crystal Input or External Input Four Frequency-Selectable Clock Outputs One 27MHz-Reference Output Selectable Clock out Frequencies: - CLK1: 24.576,36.864MHz - CLK2: 4.096,8.192,11.2896,12.288,16.384 22.5792,24.576,49.152MHz - CLK3: 8.4672,12.288,16.9344,18.432 24.576,33.8688,36.864,73.728MHz - CLK4: 16.9344,33.8688MHz Built-in XO Low Jitter Performance - Period Jitter: 30 psec (Typ.) at CLK1-4 Low Current Consumption: 18.0mA (Typ.) at 3.3V Supply Voltage: 2.85V to 3.6V Operating Temperature Range: -40℃ to +85℃ Package: 16-pin SSOP (Lead free) Applications Personal Video Recorders Set-Top-Boxes Multi Media Receivers Block Diagram VDD XIN Crystal Oscillator PLL1 PLL1 XOUT PLL2 Divide Logic and Output Control CLK1 CLK2 CLK3 S0 CLK4 S1 S2 REFOUT S3 GND AK8133 Multi Clock Generator MS0930-E-00 Mar-08 -1- AK8133 Pin Descriptions Package: 16-Pin SSOP(Top View) XOUT 1 16 XIN S0 2 15 VDD3 S1 3 14 S3 S2 4 13 VDD2 VDD1 5 12 GND2 GND1 6 11 CLK4 CLK1 7 10 CLK3 CLK2 8 9 Pin Name Pin No. REFOUT Pin Type Description Crystal connection, Connect to 27.000MHz crystal 1 XOUT OUT 2 S0 IN Clock Out Frequency select 0, See Table 2 for the selection (1) 3 S1 IN Clock Out Frequency select 1, See Table 2 for the selection (1) 4 S2 IN Clock Out Frequency select 2, See Table 2 for the selection 5 VDD1 -- Power Supply 1 6 GND1 -- Ground 1 7 CLK1 OUT Clock output 1, See Table 1 for its selectable frequency 8 CLK2 OUT Clock output 2, See Table 2 for its selectable frequency 9 REFOUT OUT Reference Clock Output of 27.000MHz Crystal or external clock 10 CLK3 OUT Clock output 3, See Table 2 for its selectable frequency 11 CLK4 OUT Clock output 4, See Table 2 for its selectable frequency 12 GND2 -- Ground 2 13 VDD2 -- Power Supply 2 14 S3 IN Clock Out Frequency select 1, See Table 1 for the selection 15 VDD3 -- Power Supply 3 Please open when an external clock input is used (1) Crystal connection, Connect to 27.000MHz crystal 16 XIN IN Or external clock input (minimum 1Vpp input). Input becomes binary after passing an internal HPF. Input Resistance is 37.5k-ohm. (1) Internal pull up 360kW Ordering Information Package Temperature Range 8133V Shipping Packaging Tape and Reel 16-pin SSOP -40 to 85 ℃ 8133E Tape and Reel 16-pin SSOP -20 to 85 ℃ Part Number Marking AK8133V AK8133E MS0930-E-00 Mar-08 -2- AK8133 Absolute Maximum Rating Over operating free-air temperature range unless otherwise noted (1) Items Symbol Ratings Unit VDD -0.3 to 4.6 V Vin VSS-0.3 to VDD+0.3 V IIN ±10 mA Tstg -55 to 130 °C Supply voltage Input voltage Input current (any pins except supplies) Storage temperature Note (1) Stress beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only. Functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to absolute-maximum-rating conditions for extended periods may affect device reliability. Electrical parameters are guaranteed only over the recommended operating temperature range. ESD Sensitive Device This device is manufactured on a CMOS process, therefore, generically susceptible to damage by excessive static voltage. Failure to observe proper handling and installation procedures can cause damage. AKEMD recommends that this device is handled with appropriate precautions. Recommended Operation Conditions Parameter Operating temperature Supply voltage (1) Output Load Capacitance Symbol Conditions Min Typ Max Unit Ta1 AK8133V -40 85 °C Ta2 AK8133E -20 85 °C VDD 3.6 V Cp1 Pin: CLK1-4 2.85 3.3 15 pF Cp2 Pin: REFOUT 25 pF Note: (1) Power to VDD1, VDD2 and VDD3 requires to be supplied from a single source. A decoupling capacitor of 0.1mF for power supply line should be installed close to each VDD pin. MS0930-E-00 Mar-08 -3- AK8133 DC Characteristics All specifications at VDD: over 2.85 to 3.6V, Ta=Ta1(AK8133V),Ta=Ta2(AK8133E) Parameter Symbol Conditions High level input voltage VIH Pin: S0,S1,S2,S3 Low level input voltage VIL Pin: S0,S1,S2,S3 Input leak current 1 I L1 Pin: S0,S1,S3 Input leak current 2 I L2 Pin: S2 High Level output voltage VOH Low level output Voltage VOL Current consumption IDD Pin: CLK1-4, REFOUT IOH=-4mA MIN TYP MAX Unit 0.7VDD V 0.3VDD V -20 +10 μA -10 +10 μA 0.8VDD V Pin: CLK1-4, REFOUT 0.2VDD IOL=+4mA V No load 18.0 Clock out selection by note Ta=25℃ mA AC Characteristics All specifications at VDD: over 2.85 to 3.6V, Ta=Ta1(AK8133V),Ta=Ta2(AK8133E) unless otherwise noted Parameter Symbol Conditions MIN TYP MAX Unit Crystal clock frequency Pin: XIN, XOUT 26.9 27.0000 27.1 MHz External clock frequency Pin: XIN(1) 26.9 27.0000 27.1 MHz Period jitter (3) Pin: CLK1-4, REFOUT Pin: CLK1-4 Output Clock duty Cycle (2) Pin: REFOUT (3) 30 ps 45 50 55 % 40 50 60 % Output clock rise time trise Pin: CLK1-4 (2), REFOUT (3) 2.5 ns Output clock fall time tfall Pin: CLK1-4 (2), REFOUT (3) 2.5 ns 5 ms Output Lock Time (4) Pin: CLK1-4 (2) (1) Amplitude is 1Vpp or more. (2) Measured with load capacitance of 15pF (3) Measured with load capacitance of 25pF (4) 1s in 1000 sampling or more (5) The time that output reaches the target frequency within accuracy of ±0.1% from the point that the power supply reaches VDD. MS0930-E-00 Mar-08 -4- AK8133 Output clock frequency selection The AK8133 generates a range of low-jitter and high-accuracy clock frequencies with two built-in PLLs and provides to up to four assigned outputs. A frequency selection at assigned output pin is configured by pin-setting of S0 (Pin2), S1 (Pin3), S2(Pin4) and S3 (Pin14). The selectable frequency is shown in Table 2 and Table2. Selection Pin S3(Pin14) L H Output Frequency(MHz) CLK1(Pin 7) 36.864 24.576 Table 1: CLK1 Clock output Frequency Sampling Frequency (kHz) 48.0 44.1 32.0 192.0 88.2 96.0 64.0 16.0/22.05 Selection Pin Clock Output Frequency (MHz) S2 (Pin 4) S1 (Pin 3) S0 (Pin 2) L L L L H H H H L L H H L L H H L H L H L H L H CLK2 256fs (Pin 8) 12.288 11.2896 8.192 49.152 22.5792 24.576 16.384 4.096 CLK3 384fs (Pin 10) 18.432 16.9344 12.288 73.728 33.8688 36.864 24.576 8.4672 CLK4 (Pin 11) 33.8688 33.8688 33.8688 33.8688 33.8688 33.8688 33.8688 16.9344 Table 2: CLK2-4 Clock output Frequency MS0930-E-00 Mar-08 -5- AK8133 Typical Connection Diagram +3.3V typ. 27.0MHz Crystal Cext2 Cext1 AK8133 1:XOUT XIN:16 SW0 2:S0 SW1 3:S1 S3:14 SW2 4:S2 VDD2:13 5:VDD1 GND2:12 6:GND1 CLK4:11 C1 C3 SW3 VDD3:15 7:CLK1 CLK3:10 8:CLK2 REFOUT:9 C2 GND Clock Output A: Crystal connection +3.3V typ. 27MHz External Clock AK8133 1:XOUT XIN:16 SW0 2:S0 VDD3:15 SW1 3:S1 S3:14 SW2 4:S2 VDD2:13 5:VDD1 GND2:12 6:GND1 CLK4:11 C1 7:CLK1 CLK3:10 8:CLK2 REFOUT:9 C3 SW3 C2 GND Clock Output B: External clock input Figure 1: Typical Connection Diagram C1-3 : 0.1mF Cext1-2 : Depends on crystal characteristics. Refer the specification of the crystal. Sw0-3 : Open is “H” and tied to GND is “L” for S0,S1ａｎｄ S3, because these pins have internal pull up resister. For S2 tied VDD is “H” and tied GND is “L” . MS0930-E-00 Mar-08 -6- AK8133 PCB Layout Consideration The AK8133 is a high-accuracy and low-jitter multi clock generator. For proper performances specified in this datasheet, careful PCB layout should be taken. The followings are layout guidelines based on the typical connection diagram shown in Figure 1 Power supply line – AK8133 has three power supply pins (VDD1-3) which deliver power to internal circuitry segments. A 0.1mF decoupling capacitor should be placed as close to each VDD pin as possible. Ground pin connection – AK8133 has two ground pins (GND1-2). These pin require connecting to plane ground which will eliminate any common impedance with other critical switching signal return. 0.1mF decoupling capacitors placed at VDD1, VDD2, and VDD3 should be grounded at close to the GND1pin, the GND2 pin, and the GND2, respectively. Crystal connection – Proper oscillation performance are susceptible to stray or parasitic capacitors around crystal. The wiring traces to a crystal form X1 (Pin 1) and X2 (Pin 14) have equal lengths with no via and as short in length as possible. These traces should be also located away from any traces with switching signal. MS0930-E-00 Mar-08 -7- AK8133 Package Information · Mechanical data 16pin SSOP (Unit: mm) 5.00TYP 16 9 A 6.4±0.3 4.4TYP 1 8 0.22±0.1 0.65 0.15±0.1 1.25 TYP 0.1±0.1 Detail A 0.5±0.2 0-10° · Marking 16 b a: b: 9 c 8133X XXXXX AKM c: d (1) AKM is the brand name of AKEMD’s IC’s. d a 1 #1 Pin Index Part number “X” is “V” for AK8133V “X” is “E” for AK8133E Date code (5 digits) Product Family Logo (1) AKM and the logo - - are the brand of AKEMD’s IC’s and identify that AKEMD continues to offer the best choice for high performance mixed-signal solution under this brand. 8 · RoHS Compliance All integrated circuits form Asahi Kasei EMD Corporation (AKEMD) assembled in “lead-free” packages* are fully compliant with RoHS. (*) RoHS compliant products from AKEMD are identified with “Pb free” letter indication on product label posted on the anti-shield bag and boxes. MS0930-E-00 Mar-08 -8- AK8133 This page is intentionally blank. MS0930-E-00 Mar-08 -9- AK8133 IMPORTANT NOTICE These products and their specifications are subject to change without notice. When you consider any use or application of these products, please make inquiries the sales office of Asahi Kasei EMD Corporation (AKEMD) or authorized distributors as to current status of the products. AKEMD assumes no liability for infringement of any patent, intellectual property, or other rights in the application or use of any information contained herein. Any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of export pertaining to customs and tariffs, currency exchange, or strategic materials. AKEMD products are neither intended nor authorized for use as critical componentsNote1) in any safety, life support, or other hazard related device or systemNote2), and AKEMD assumes no responsibility for such use, except for the use approved with the express written consent by Representative Director of AKEMD. As used here: Note1) A critical component is one whose failure to function or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. Note2) A hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in medicine, aerospace, nuclear energy, or other fields, in which its failure to function or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property. It is the responsibility of the buyer or distributor of AKEMD products, who distributes, disposes of, or otherwise places the product with a third party, to notify such third party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold AKEMD harmless from any and all claims arising from the use of said product in the absence of such notification. MS0930-E-00 Mar-08 - 10 -