AK4120VF AKM [Asahi Kasei Microsystems], AK4120VF Datasheet

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Sample Rate Converter with Mixer and Volume The AK4120 is a stereo asynchronous sample rate converter. The input sample rate range is from 8kHz to 48kHz. The output sample rate is fixed at 32kHz, 44.1kHz, 48kHz or 96kHz. AK4120 includes ...

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... Ordering Guide AK4120VF -40 +85 C AKD4120 n Pin Layout IMCLK1 1 SDTI1 2 IBICK1 3 ILRCK1 4 TEST 5 I2S 6 I2C 7 CAD0 8 CSN/CAD1 9 CCLK/SCL 10 CDTI/SDA 11 PDN 12 MS0134-E-00 24pin VSOP (0.65mm pitch) Evaluation Board for AK4120 Top View IMCLK2 SDTI2 IBICK2 ILRCK2 I2MODE ...

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ASAHI KASEI No. Pin Name I/O 1 IMCLK1 I 2 SDTI1 I 3 IBICK1 I 4 ILRCK1 I 5 TEST I2S 7 I2C I 8 CAD0 I CSN I 9 CAD1 I CCLK I 10 SCL I ...

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Note 1) Parameter Power Supplies Input Current, Any Pin Except Supplies Input Voltage Ambient Temperature (Power applied) Storage Temperature Note 1: All voltages with respect to ground. WARNING: Operation at or beyond these limits may result in permanent damage ...

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ASAHI KASEI -101 -103 -105 -107 -109 -111 -113 -115 32 Figure 1: Input Sample Rate (FSI) vs. THD+N (FSO=48kHz) -80 -85 -90 -95 -100 -105 -110 -115 -120 10 Figure 2: Input Frequency vs. THD+N (FSI=44.1kHz, FSO=48kHz) MS0134-E-00 37 ...

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ASAHI KASEI (Ta=- VDD=2.7 3.6V; FSO=FSI=fs) Parameter Digital Filter Passband (Note 8) -0.001dB Stopband (Note 8) Passband Ripple Stopband Attenuation Group Delay Note 8. The passband and stopband frequencies scale with fs (system sampling rate). Note 9. This ...

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ASAHI KASEI (Ta=- VDD=2.7~3.6V; C =20pF) L Parameter Master Clock Input (IMCLK1) Frequency Duty Cycle (at FSI > 33kHz) Duty Cycle (at FSI 33kHz) Master Clock Input (IMCLK2) Frequency Duty Cycle (at FSI > 33kHz) Duty Cycle (at ...

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ASAHI KASEI Parameter Audio Interface Timing Input#2(Master Mode) at Path Mode 1 BICK Frequency BICK Duty BICK “ ” to LRCK BICK “ ” to SDTO SDTI2 Hold Time from BICK “ ” SDTI2 Setup Time to BICK “ ” ...

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ASAHI KASEI Parameter Control Interface Timing (3-wire Serial mode): CCLK Period CCLK Pulse Width Low Pulse Width High CDTI Setup Time CDTI Hold Time CSN “H” Time CSN “ ” to CCLK “ ” CCLK “ ” to CSN “ ...

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ASAHI KASEI n Timing Diagram MCLK tCLKH LRCK BICK tBCKH LRCK tBLR BICK tLRS SDTO SDTI Note: MCLK means IMCLK1, IMCLK2 and OCLK. BICK means IBICK1,IBICK2 and OBICK. LRCK means ILRCK1,ILRCK2 and OLRCK. SDTI means SDTI1 and SDTI2. MS0134-E-00 1/fCLK ...

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LRCK tMBLR BICK SDTO SDTI CSN tCSS CCLK CDTI WRITE Command Input Timing (3-wire Serial mode) CSN CCLK CDTI D3 WRITE Data Input Timing (3-wire Serial mode) MS0134-E-00 dBCK tSDS tSDH Audio Interface Timing at Master Mode tCCKL tCCKH tCDS ...

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SDA tBUF tLOW tR SCL tHD:STA tHD:DAT Stop Start tPD PDN SDTO MS0134-E-00 tHIGH tF tSU:DAT tSU:STA Start Bus mode Timing tPDV Power-down & Reset Timing - 12 - VIH VIL tSP VIH VIL tSU:STO Stop VIH ...

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ASAHI KASEI n I/O Data flow The AK4120 has two input audio data interfaces (Input#1 and Input#2). The AK4120 has four modes of operation, each corresponding to a different internal audio path as shown in Table 1. These path modes ...

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SDTI1 Input#1 Audio ILRCK1 I/F IBICK1 IMCLK1 IMCLK2 SDTI2 Input#2 Audio ILRCK2 I/F IBICK2 I2MODE CAD0 Figure 3. Path Mode 0 (Input#1 SRC + Mixer) SDTI1 ILRCK1 IBICK1 IMCLK1 IMCLK2 SDTI2 Input#2 Audio ILRCK2 I/F IBICK2 I2MODE CAD0 MS0134-E-00 I2S ...

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ASAHI KASEI SDTI1 Input#1 Audio ILRCK1 I/F IBICK1 IMCLK1 IMCLK2 SDTI2 Input#2 Audio ILRCK2 I/F IBICK2 I2MODE CAD0 Figure 5. Path Mode 2 (Input#1 through output) SDTI1 ILRCK1 IBICK1 IMCLK1 IMCLK2 SDTI2 Input#2 Audio ILRCK2 I/F IBICK2 I2MODE CAD0 Figure ...

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ASAHI KASEI n System Clock The external clocks required to operate the AK4120 in each mode are shown in Table 3 and Table 4. The Input#1 port works in slave mode only. The Input#2 and Output ports have both slave ...

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ASAHI KASEI The frequency of IMCLK1, IMCLK2, and OMCLK are fixed based on the sampling rate and clock speed (256fs/512fs). IMCKS1, IMCKS2 and OMCKS bits in register 01H select clock speed. LRCK fs 32.0kHz 44.1kHz 48.0kHz 88.2kHz 96kHz n Volume ...

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ASAHI KASEI n Audio Serial Interface Format Four serial data modes can be selected by the I2S pin and D5-D0 bits in register 00H as shown in Table all modes the serial audio data is MSB-first, 2’s ...

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ASAHI KASEI LRCK BICK (64fs) SDTI Don’t care 16bit 15:MSB, 0:LSB SDTI 19 Don’t care 18 20bit 19:MSB, 0:LSB Lch Data LRCK BICK (64fs) SDTI 20:MSB, 0:LSB Lch Data ...

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ASAHI KASEI n Serial Control Interface The AK4120 is controlled via registers. Internal registers can be written using one of two control modes, I2C or 3-wire, that are selected via I2C pin. PDN = “L” initializes the registers to their ...

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I C-bus Control Mode (I2C= “H”) 2 The AK4120 supports the standard I C-bus interface (max:100kHz). Then AK4120 cannot support fast-mode I 400kHz). (2)-1. WRITE Operations Figure 11 shows the data transfer sequence in I HIGH to LOW ...

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READ Operations To enable a READ operation in the AK4120, set R/WN bit = “1”. After transmission of data, the master can read the next data address by generating an acknowledge instead of terminating the write cycle after the ...

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ASAHI KASEI SDA start condition ...

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System Reset The AK4120 is reset by bringing the power down pin “PDN” =“L”. The digital filters are also reset when this occurs. The AK4120 should be reset once by bringing PDN =“L” upon power-up. After a reset, the ...

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ASAHI KASEI n Mapping of Program Registers Addr Register Name D7 00H Control 1 PW 01H Control 2 0 02H Control 3 MUTE2R 03H Lch Volume#1 Control 0 04H Rch Volume#1 Control 0 05H Lch Volume#2 Control 0 06H Lch ...

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ASAHI KASEI ZTM1-0:Duration of zero-crossing timeout when ZELM= “0” ZTM1 Note the output sample rate ZELM: Select Zero Crossing Enable 0: Enable (Default) 1: Disable Addr Register Name 02H Control 3 Default PATH1-0: Path ...

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ASAHI KASEI Addr Register Name 03H Lch Volume#1 Control 04H Rch Volume#1 Control 05H Lch Volume#2 Control 06H Rch Volume#2 Control Default GAIN6-0: Volume control shown in Table 10 . Volume Range: -83.25dB 12dB(Step 0.75dB) GAIN6-0 00H 01H 02H 9H ...

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ASAHI KASEI Figure 21 illustrates a typical system connection diagram. An evaluation board is available which demonstrates this application circuit, the optimum layout, power supply arrangement and performance measurement results. Condition: VDD=3.3V, 3-wire serial control mode, Chip Address = “10” ...

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ASAHI KASEI 24pin VSOP (Unit *7.8 0. 0.22 0.1 Seating Plane 0.10 NOTE: Dimension "*" does not include mold flash. n Package & Lead frame material Package molding compound: Lead frame material: Lead frame surface ...

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... MS0134-E- AK4120VF AAXXXX Contents of AAXXXX AA: Lot# ...