ak7742 ETC-unknow, ak7742 Datasheet
ak7742
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ak7742 Summary of contents
Page 1
... The audio DSP has 1536step/fs parallel processing power, and 74k-bit delay memory allows surround processing, acoustic effect and parametric equalizers. As the AK7742 is a RAM based DSP programmable for user requirements. The AK7742 is available in a space saving small 48pin LQFP package. ...
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... DVOL JX0 DIN2 DOUT4 0 1 SDINDA1 2 3 SELDO4[1:0] JX1 1 DIN1 DOUT1 0 SELDO1 DOUT2 GPO RDY MICIF SO DS Figure 1. Block Diagram [AK7742] 2 DVDD pull down 3 3 VSS1 Hi-z 3 AVDD Open Drain 2 VSS2 VCOM AVDRV ASEL[1: AIN3L,AIN3R ADC 1 2 AIN2L,AIN2R AIN1LP,AIN1LN 0 4 AIN1RP,AIN1RN ...
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... PTMP(LIFO 24-Bit DBUS SHIFT 40-Bit 24,16-Bit 2 x 24,20,16-Bit 2 x 24,20,16-Bit DIN1 2 x 24,16-Bit 2 x 24,16-Bit 40-Bit 2 x 24,20,16-Bit 2 x 24,20,16-Bit 2 x 24,20,16-Bit Figure 2. AK7742 DSP Block DLP0, DLP1 DLRAM OFREG 64W x 13-Bit Micon I/F Control Serial I/F PRAM 1536w x 36-Bit PC Stack : 5level(max) ...
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... AOUT1RN 38 AOUT1RP 39 AOUT1LN 40 AOUT1LP 41 VSS1 42 VCOM AVDD 43 44 AIN1RN AIN1RP 45 AIN1LN 46 AIN1LP 47 AIN3R 48 Rev.0.5b_PB -20 ∼ +70°C 48pin LQFP (0.5mm pitch) Evaluation board for the AK7742 48pin LQFP (TOP VIEW [AK7742] CLKO/SDOUT3 24 BICK 23 LRCK 22 VSS2 21 DVDD 20 I2CSEL 19 IRESET 18 CKM[0] 17 CKM[1] 16 SDIN2/JX0 ...
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... C bus address pin 1 30 VSS1 Analog ground 0V Rev.0.5b_PB PIN FUNCTION Function 2 C bus interface 2 C bus interface [AK7742] Classification Analog input Analog input Analog input Analog power supply Analog power supply Analog output Test Mode select Digital power supply Digital power supply Clock ...
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... Digital input pins are never to be left open. If analog input pins (AIN1LP, AIN1LN, AIN1RP, AIN1RN, AIN2L, AIN2R, AIN3L, AIN3R) are not used, leave them open. Rev.0.5b_PB [AK7742] Analog power supply Analog power supply Analog output Analog output Analog output Analog output ...
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... Digital WARNING: AKEMD assumes no responsibility for the usage beyond the conditions in the datasheet. Note) Do not turn off the power of the AK7742 during the power supplies of surrounding devices are turned on. VDD must not exceed the pull-up of SDA and SCL of I Rev.0.5b_PB ...
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... TDB (Note ±1.85 Note 1.85 Note Note 8 min TBD TBD TBD ) Note typ max 105 0.1 0.3 ±2.00 ±2.15 2.00 2. typ max 24 92 106 106 90 105 0.2 0.5 3.66 3. [AK7742] Unit Bits Vp-p Vp-p kΩ Unit Bits Vp-p kΩ pF 2008/08 ...
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... VIH 80%DVDD ( ) VIL Note 11 VIH 70%DVDD VIL VOH DVDD-0.5 VOL ) Note 12 VOL ( ) Iin Note Iid Note 14 Iix POWER CONSUMPTION min [AK7742] typ max Unit 20%DVDD 30%DVDD 0.5 0.4 ± typ max 75 TBD 2 2008/ μA μA μA Unit mA mA ...
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... Note 17) Symbol min 18 26.5 18) PR Note 20 ∆GD GD Note 17) Symbol min 26 [AK7742] typ max 21.5 21.768 24.00 ±0.005 0 30 ±0.01 typ max 21.7 24.0 - ±0.01 24 ±0.5 Unit kHz kHz kHz kHz dB dB μ Unit kHz kHz kHz dB dB ...
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... Duty 40 fXTI 11.0 fXTI 16.5 Fs 7.35 32 tBCLKH 64 tBCLKL 64 0.46 fBCLK Duty 40 fBCLK 2.75 Duty 40 fBCLK 230 Duty 40 fBCLK 460 [AK7742] typ max Unit 11.2896 - MHz 12.288 16.9344 - MHz 18.432 11.2896 12.4 MHz 12.288 16.9344 18.6 MHz 18.432 48 96 kHz 3.072 6.144 MHz 64 ...
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... Symbol fBCLK tBCLKL tBCLKH (Note 29) tBLRD (Note 29) tLRBD tBSIDS tBSIDH tLRD ) tBSOD Note 30 fBCLK tBLRD tLRBD tBSIDS tBSIDH ) tBSOD Note 30 latch [AK7742] typ max Unit ns min typ max 32 64 150 150 - -30 40 2008/08 ...
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... Note 31 registered trademark of Philips Semiconductors. Rev.0.5b_PB Symbol min typ fSCL tBUF 1.3 tHD:STA 0.6 tLOW 1.3 tHIGH 0.6 tSU:STA 0.6 tHD:DAT 0 tSU:DAT 0 tSU:STO 0.6 tSP [AK7742] max Unit 400 KHz μs μs μs μs μs μs 0.9 μs μs 0.3 0.3 μs μ 400 pF 2008/08 ...
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... LQFP (Unit: mm) 9.0 ± 0.2 7 0.5 0.22 ± 0.08 0.10 ■ Materials and Lead Specification Package: Lead frame: Lead-finish: Rev.0.5b_PB PACKAGE 0.10 M 0° ∼ 10° 0.3 ∼ 0.75 Epoxy Copper Soldering (Pb free) plate [AK7742] 1.70Max 0.13 ± 0.13 1.4± 0.05 0.09 ∼ 0.20 2008/08 ...
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... Rev.0.5b_PB MARKING AKM AK7742EQ XXXXXXX 1 1) Pin #1 indication 2) Date Code: XXXXXXX(7digits) 3) Marking Code: AK7742EQ 4) Asahi Kasei Logo IMPORTANT NOTICE , and AKEMD assumes no responsibility for such use, except for the use Note2 [AK7742] ...
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... Thank you for your access to AKEMD product information. More detail product information is available, please contact our sales office or authorized distributors. Rev.0.5b_PB [AK7742] 2008/08 ...