AK4522VF AKM Semiconductor, Inc., AK4522VF Datasheet
AK4522VF
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AK4522VF Summary of contents
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ASAHI KASEI The AK4522 has a dynamic range of 100dB and is well-suited middle-range MD, surround system, musical instruments and car audio. Signal inputs and outputs are single-ended. The DAC outputs are analog filtered to remove out of band noise. ...
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... ASAHI KASEI n Ordering Guide AK4522VF -10 AKD4522 Evaluation Board for AK4522 n Pin Layout VREFH 1 AINR+ 2 AINR- 3 AINL+ 4 AINL AGND 7 DIF0 8 9 DIF1 LRCK 10 SCLK 11 SDTI 12 M0020-E-01 +70 C 24pin VSOP (0.65mm pitch) Top View - 2 - [AK4522] 24 VCOM 23 AOUTR 22 AOUTL 21 CMODE DGND 18 VD ...
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ASAHI KASEI No. Pin Name I/O Positive Voltage Reference Input Pin VREFH I Used as a positive voltage reference by ADC & DAC. VREFH should be connected externally to filtered VA. 2 AINR+ I Rch Analog Positive Input ...
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ASAHI KASEI (AGND DGND=0V; Note 1) Parameter Power Supplies Analog Digital |AGND-DGND| Input Current, Any Pin Except Supplies Analog Input Voltage Digital Input Voltage Ambient Temperature (power applied) Storage Temperature Note:1. All voltages with respect to ground. 2. AGND and ...
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ASAHI KASEI (Ta=25 C; VA, VD=5V; AGND, DGND=0V; VREFH=VA; fs=44.1kHz; SCLK=64fs; Signal Frequency =1kHz; 20bit Data; Measurement Frequency=10Hz Parameter ADC Analog Input Characteristics: Resolution S/(N+D) (-0.5dB Input) DR (-60dB Input, A-Weighted) S/N (A-Weighted) Interchannel Isolation Interchannel Gain Mismatch Gain Drift ...
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ASAHI KASEI (Ta=25 C; VA=4.5 5.5V, VD=2.7 Parameter ADC Digital Filter (Decimation LPF): Passband (Note 10) -0.005dB Stopband Passband Ripple Stopband Attenuation Group Delay (Note 11) Group Delay Distortion ADC Digital Filter (HPF): Frequency Response (Note 10) -3dB DAC Digital ...
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ASAHI KASEI (Ta=25 C; VA=4.5 5.5V, VD=2.7 Parameter Master Clock Timing External Clock 256fs: Pulse Width Low Pulse Width High 384fs: Pulse Width Low Pulse Width High 512fs: Pulse Width Low Pulse Width High LRCK Frequency Duty Cycle Serial Interface ...
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ASAHI KASEI n Timing Diagram LRCK tSLR SCLK tLRM SDTO tSDS SDTI PD SDTO M0020-E-01 tSLKL tLRS tSDH Serial Interface Timing (Slave mode) tPD tPDV Reset & Initialize Timing - 8 - [AK4522] 50%VD tSLKH 50%VD tSSD 50%VD 50%VD 70%VD ...
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ASAHI KASEI n System Clock The master clock (MCLK) can be external clock input to the MCKI pin. CMODE is used to select either MCLK=256fs, 384fs or 512fs. The relationship between the MCLK and the desired sample rate is defined ...
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ASAHI KASEI LRCK( SCLK(i:64fs) SDTO( SDTI(i) Don’t Care 19 18 19:MSB, 0:LSB Lch Data LRCK( SCLK(i:64fs) SDTO( SDTI( ...
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ASAHI KASEI n De-emphasis Filter The DAC of AK4522 includes the digital de-emphasis filter (tc=50/15us) by IIR filter. This filter corresponds to three frequencies (32kHz, 44.1kHz, 48kHz). The de-emphasis filter selected by DEM0 and DEM1 is enabled for input audio ...
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ASAHI KASEI n Power-Down & Reset The ADC and DAC of AK4522 are placed in the reset mode by bringing a reset pin, PD “L”. This reset should always be done after power-up. In case of the ADC, an analog ...
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ASAHI KASEI Figure 7 shows the system connection diagram. This is an example which analog signal is input by single ended circuit. In case of differential input, please refer to Figure 10. An evaluation board is available which demonstrates application ...
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ASAHI KASEI Analog Ground Digital Ground 5V analog VA 5V analog VA M0020-E-01 1 VREFH 2 AINR+ 3 AINR- 4 AINL+ 5 AINL- AK4522 AGND 8 DIF0 9 DIF1 10 LRCK 11 SCLK 12 SDTI System Controller ...
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ASAHI KASEI 1. Grounding and Power Supply Decoupling The AK4522 requires careful attention to power supply and grounding arrangements. VA and VD are usually supplied from analog supply in system. Alternatively if VA and VD are supplied separately, the power ...
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ASAHI KASEI 4. Analog Outputs The analog outputs are also single-ended and centered around the VCOM voltage. The input signal range scales with the supply voltage and nominally 0.58 x VREFH Vpp. The DAC input data format is 2’s complement. ...
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ASAHI KASEI 24pin VSOP (Unit: mm) *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 treatment: ...
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... AKM harmless from any and all claims arising from the use of said product in the absence of such notification. M0020-E-01 MARKING AKM AK4522VF AAXXXX Contents of AAXXXX AA: Lot# XXXX: ...