ak7752 AKM Semiconductor, Inc., ak7752 Datasheet
ak7752
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ak7752 Summary of contents
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... The AK7752 includes delay RAM, an integrated PLL, four digital audio input and eight digital audio output ports. The AK7752 can perform pre and post processing for speech recognition, volume control adjustment and parametric equalization, executed by programs downloaded via the microprocessor interface ...
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... CK_RESET_N CKM[3:0] 4 CKM[3:0] (Master="L", Slave="H") SMODE BE LE SYNC_O BITCLK_O * Figure 1 shows a simplified diagram of the AK7752, which isn’t the perfect same as the actual circuit diagram. MS0578-E-01-PB BLOCK DIAGRAM VCOM VREFH ANE_IN VREFL REF SDINA SDOUTA GPO0 SDIN1 ...
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... ANE_IN 56 ALINE_IN 57 AVDD 58 VREFH 59 VCOM 60 VREFL 61 62 AVSS ALINE_OUT 63 ANE_OUT 64 Note) XXXX is internal pull-down pin. XXXX is the pin name. MS0578-E-01-PB -40 ∼ +85°C 64pin LQFP Evaluation Board for AK7752 64pin LQFP (TOP VIEW [AK7752] 32 CLKO1 31 CKM[2] 30 CKM[3] 29 S_RESET_N 28 CK_RESET_N 27 INIT_RESET_N 26 SYNC_I 25 BITCLK_I 24 ...
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... C Bus Data Clock Pin (I2CSEL pin = “H”) Test Output Pin 16 TESTO1 O Leave open. Normally TESTO1 goes “L”. 17 STO O Status Output Pin MS0578-E-01-PB PIN/FUNCTION Function 2 C Bus Address Pin [AK7752] Classification EEPIF Analog Power Supply Digital Power Supply Microprocessor Interface Microprocessor Interface 2 ...
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... Normally connected to the Bluetooth Sync Clock line (8kHz). Reset Pin (for initialization) 27 INIT_RESET_N I Use to initialize the AK7752. When changing CKM [3:0] and changing XTI or BITCLK_I input frequency necessary to set this pin. Clock Reset Pin When changing CKM[3:0] and XTI or BITCLK_I input frequency without ...
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... I2CSEL pin = “H”: I2CBus selected mode. SCL and SDA are active. I2CSEL should be connected to “L” (DVSS) or “H” (DVDD). TEST pin (Internal pull-down) 49 TESTI2 I Connect to DVSS. MS0578-E-01-PB Function - 6 - [AK7752] Classification TEST EEPIF/ Monitor Digital Section Serial Input Data System Clock Digital ...
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... MS0578-E-01-PB Function I2CSEL INIT_RESET_N Classification Mode Select Analog Output Power Supply Analog Input Power Supply Analog Input Analog Output Analog Input Power Supply Analog Output SDA “Hi-Z” → pull-up H function [AK7752] TEST Analog Analog Analog 2007/09 ...
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... Note 6. VREFL is normally connected to AVSS Note: The analog input voltage and output voltage are proportional to the VREFH-VREFL voltages. When using the AK6514C, the same voltage as used for the digital section of the AK7752 is recommended. * AKEMD assumes no responsibility for the usage beyond the conditions in this datasheet. ...
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... Note 11. Full scale output voltage when VREFH = AVDD, VREFL = AVSS. MS0578-E-01-PB ELECTRIC CHARACTERISTICS min 76 (Note (Note 8.) 90 (Note 9) 1. (Note (Note 10) 85 (Note 11) 1. [AK7752] typ max Units 24 Bits 105 dB 0.2 0.5 dB 1.98 2.18 Vp-p 60 kΩ 18 Bits ...
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... Note 15. Between ANE_OUT and ALINE_OUT. Note 16. Full scale output voltage when VREFH=AVDD, VREFL=AVSS. MS0578-E-01-PB min 76 (Note 12 (Note 13) 90 (Note 14) 1. (Note 12 (Note 15) 85 (Note 16) 1. [AK7752] typ max Units 24 Bits 110 dB 0.2 0.5 dB 2.00 2.20 Vp-p 50 kΩ 18 Bits ...
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... VIH 80%VDD (Note 17) VIL VIH 70%VDD VIL VOH VDD-0.5 (Note 18) VOL VOL (Note 19) Iin (Note 20) Iid Iix min typ 10 90 100 - 11 - min typ max 20%VDD 30%VDD 0.5 0.4 ± max Units mA mA 165 mA [AK7752] Units μA μA μA 2007/09 ...
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... Note 27. The digital filter’s delay is calculated as the time from setting 18 Bit data into the input register until an analog signal is output. MS0578-E-01-PB Note 22) Symbol min 4. Symbol min 4. [AK7752] typ max Units 3.15 kHz 3.63 kHz 3.83 kHz kHz ±0 16.3 typ max 3.5 4.0 - ±0.01 15 ±0.5 dB μs Ts Units kHz kHz kHz ...
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... Fs 7.35 tLR tLF tBCLKH 120 tBCLKL 120 tBR tBF 29) fBCLK 32 40 0.23 30) fBCLK - 40 fBCLK 230 31) fBCLK - 40 fBCLK 460 fBCLK 2. [AK7752] typ max Units 11.2896 - MHz 12.288 24.576 - MHz 12.4 MHz 24.8 MHz kHz ...
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... Parameter INIT_RESET_N (Note CK_RESET_N S_RESET_N Note 32. The AK7752 can be powered up when INIT_RESET_N pin = “L”. The power supply must be ON and the master clock must be input before the INIT_RESET_N pin transitions “H”. 3) Audio interface (Ta=-40°C~85°C; AVDD, DVDD=3.0~3.6V; CL=20pF) Parameter Slave Mode (CKM Mode 2-4) Delay Time from BITCLK_I “ ...
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... SCLK Rise Time SCLK Frequency SCLK Low Level Width SCLK High Level Width Microprocessor to AK7752 Time from S_RESET_N “↓” to RQ_N “↓” Time from RQ_N “↑” to S_RESET_N “↑” RQ_N High Level Width Time from RQ_N “↓” to SCLK “↓” ...
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... Cb Symbol min typ tEESOS 160 tEESOH 160 tESLHR tESLHS - 16 - [AK7752] max Units 400 KHz μs μs μs μs μs μs 0.9 μs μs 0.3 0.3 μs μ 400 pF max Units ns ns 600 ns 600 ...
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... Timing Diagram XTI SYNC_I BITCLK_I INIT_RESET_N CK_RESET_N S_RESET_N MS0578-E-01-PB 1/fXTI 1/fXTI tCR 1/fs 1/fs tLR 1/fBCLK 1/fBCLK tBR tBCLKL tBCLKH Figure 2. System Clock tRST Figure 3. Reset - 17 - [AK7752] tXTI=1/fXTI VIH VIL tCF ts=1/fs VIH VIL tLF tBCLK=1/fBCLK VIH VIL tBF VIL 2007/09 ...
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... DEXT2_OUT DEXT3_OUT DLINE_IN DEXT_IN RQ_N SCLK MS0578-E-01-PB tLRBD tBSOD tBSIDS Figure 4. Audio Interface tWRF tWRR Figure 5. Microprocessor Interface Signal 1 tSF tSR tSCLKH tSCLKL 1/fSCLK 1/fSCLK Figure 6. Microprocessor Interface Signal [AK7752] 50%DVDD 50%DVDD 50%DVDD tBSIDH 50%DVDD VIH VIL VIH VIL 2007/09 ...
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... RQ_N SI SCLK tWSC SO tSOS RQ_N SO MS0578-E-01-PB tWRQH tSIS tSIH tSCW tSOH Figure 7. Microprocessor tRQHR Figure 8. Microprocessor - 19 - tWSC tSCW AK7752 VIH VIL tRQHS VOH VOL AK7752 [AK7752] VIH VIL VIH VIL VIH VIL VIH VIL 2007/09 ...
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... EESO EESEL EECS_N, EECK, EESI MS0578-E-01-PB tR tHIGH tF tHD:DAT tSU:DAT tSU:STA Start 2 Figure Bus Interface tEESOS tEESOH Figure 10. EEPROM Interface 1 tESLHR Figure 11. EEPROM Interface [AK7752] VIH VIL tSP VIH VIL tSU:STO Stop 50%DVDD 50%DVDD VIH VIL tESLHS VOH VOL 2007/09 ...
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... LQFP (Unit: mm 0.5 0.10 Material & Lead finish Package: Lead-frame: Lead-finish: MS0578-E-01-PB PACKAGE 12.0±0.3 Max 1.70 10 0.21±0.05 0.10 M 1.0 0°~10° 0.45 ±0.2 Epoxy Copper Soldering plate (Pb free 1.40 0.10±0.10 0.17±0.05 [AK7752] 2007/09 ...
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... MS0578-E-01-PB MARKING AKM AK7752VT XXXXXXX 1) Pin #1 indication 2) Date Code: XXXXXXX (7 digits) 3) Marking Code: AK7752VT 4) Asahi Kasei Logo IMPORTANT NOTICE , and AKEMD assumes no responsibility for such use, except for the Note2) 22 [AK7752] in any safety, life support, ...
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... Thank you for your access to AKEMD product informations. More detail product informations are available, please contact our sales office or authorized distributors. MS0578-E-01-PB 23 [AK7752] 2007/09 ...