[AK4136] = Preliminary = AK4136 384kHz 32bit SRC 1. General Description The AK4136 is a 2ch digital sample rate converter (SRC). The input sample rate ranges from 8kHz to 384kHz. The output sample rate is from 8kHz to 384kHz. The AK4136 has an internal Oscillator. Therefor it does not need any external master clocks and simplifies a system configuration. The AK4136 is suitable for the application interfacing to different sample rates such as Automotive Audio Systems. 2. Features 2 channels input/output Asynchronous Sample Rate Converter PCM - Input Sample Rate Range(FSI): 8kHz~384kHz - Output Sample Rate Range(FSO): 8kHz~384kHz Input to Output Sample Rate Ratio: FSO/FSI = 1/6 ~ 12 THD+N: Up to −130dB Dynamic Range: 140dB (A-weighted) I/F format: MSB justified, LSB justified, I2S compatible and TDM Oscillator for Internal Operation Clock Clock for Master mode: 128/192/256/384/512/768fso On-chip X’tal oscillator Digital De-emphasis Filter (32KHz, 44.1KHz, 48KHz) Soft Mute Function SRC Bypass mode (Master/Slave, PCM) uP Interface: I2C bus/SPI 4wires Power Supply - DVDD: 3.0~3.6V - DVDD: 1.7~1.9V (LDO OFF mode) Operating Temperature: Ta= −40 ~ +105°C Package - AK4136: 48-pin LQFP (0.5mm pitch) Rev. 0.0 2014/06 -1- [AK4136] 3. Block Diagram ILRCK IBICK OBIT0 OBIT1 ODIF0 ODIF1 TDM SRCE_N SDTI BYPASS PCM Input Serial Audio I/F PCM FIR DEM PCM Output Serial Audio I/F SRC COMB SMUTE SRC SDTO OLRCK OBICK Dither Internal OSC PDN TEST1 TEST0 REF I2C Internal Regulator UP/IF PSN X’tal OSC Clock Div. DVSS DVDD CM3 CM2 CM1 CM0 XTO XTI/OMCLK/TDMI VD18 VSEL CDTO SDA/CDTI/SLOW SCL/CCLK/SD CSN/SMUTE CAD0/IDIF0 CAD1/IDIF1 IDIF2 Figure 1. Block Diagram Rev. 0.0 2014/06 -2- [AK4136] 4. Absolute Maximum Ratings (DVSS=0V; Note 1) Parameter Symbol Min. Max. Unit Power Supplies Digital DVDD -0.3 4.3 V (Internal Digital) (Note 2) DV18 -0.3 2.5 V Input Current, Any Pin Except Supplies IIN 10 mA Digital Input Voltage (Note 3) VDIN -0.3 DVDD+0.3 V Ambient Temperature (Power applied) (Note 4) Ta -40 105 C Storage Temperature Tstg -65 150 C Note 1. All voltages are with respect to ground. Note 2. DVSS must be connected to the same ground. Note 3. DEM1-0, ILRCK/DSDIL, IBICK/DCLK, SDTI/DSDIR, IDIF0/CAD0, IDIF1/CAD1, IDIF2, PDN, PSN, I2C, SLOW/CDTI/SDA, SD/CCLK/SCL, SMUTE/SCN, SMSEMI, SMT1-0, OBIT1-0, ODIF1-0, CM3-0, DITHER, VSEL and TEST1-0 pins Note 4. In the case that the PCB wiring density is more than 100% WARING: Operation at or beyond these limits may result in permanent damage to the device. Normal operation is not guaranteed at these extremes. 5. Recommended Operation Conditions (DVSS=0V; Note 1; VSEL= “L”) Parameter Symbol Min. Typ. Power Supplies Digital DVDD 3.0 3.3 Max. 3.6 Unit V (DVSS=0V; Note 1; VSEL= “H”) Parameter Power Supplies Digital (Note 5) Digital Max. 1.9 1.9 Unit V V V Symbol DVDD DV18 DVDD- DV18 Difference Note 1. All voltages are with respect to ground. Note 5. DVDD and DV18 should be connected externally. Rev. 0.0 Min. 1.7 1.7 Typ. 1.8 1.8 0 2014/06 -3- [AK4136] IMPORTANT NOTICE 0. Asahi Kasei Microdevices Corporation (“AKM”) reserves the right to make changes to the information contained in this document without notice. When you consider any use or application of AKM product stipulated in this document (“Product”), please make inquiries the sales office of AKM or authorized distributors as to current status of the Products. 1. All information included in this document are provided only to illustrate the operation and application examples of AKM Products. AKM neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other rights of AKM or any third party with respect to the information in this document. You are fully responsible for use of such information contained in this document in your product design or applications. AKM ASSUMES NO LIABILITY FOR ANY LOSSES INCURRED BY YOU OR THIRD PARTIES ARISING FROM THE USE OF SUCH INFORMATION IN YOUR PRODUCT DESIGN OR APPLICATIONS. 2. The Product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality and/or reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or serious public impact, including but not limited to, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic signaling equipment, equipment used to control combustions or explosions, safety devices, elevators and escalators, devices related to electric power, and equipment used in finance-related fields. Do not use Product for the above use unless specifically agreed by AKM in writing. 3. Though AKM works continually to improve the Product’s quality and reliability, you are responsible for complying with safety standards and for providing adequate designs and safeguards for your hardware, software and systems which minimize risk and avoid situations in which a malfunction or failure of the Product could cause loss of human life, bodily injury or damage to property, including data loss or corruption. 4. Do not use or otherwise make available the Product or related technology or any information contained in this document for any military purposes, including without limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile technology products (mass destruction weapons). When exporting the Products or related technology or any information contained in this document, you should comply with the applicable export control laws and regulations and follow the procedures required by such laws and regulations. The Products and related technology may not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable domestic or foreign laws or regulations. 5. Please contact AKM sales representative for details as to environmental matters such as the RoHS compatibility of the Product. Please use the Product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the EU RoHS Directive. AKM assumes no liability for damages or losses occurring as a result of noncompliance with applicable laws and regulations. 6. Resale of the Product with provisions different from the statement and/or technical features set forth in this document shall immediately void any warranty granted by AKM for the Product and shall not create or extend in any manner whatsoever, any liability of AKM. 7. This document may not be reproduced or duplicated, in any form, in whole or in part, without prior written consent of AKM. Rev. 0.0 2014/06 -4-