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AKD4527B Datasheet(PDF) 5 Page - Asahi Kasei Microsystems |
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AKD4527B Datasheet(HTML) 5 Page - Asahi Kasei Microsystems |
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5 / 33 page  ASAHI KASEI [AK4527B] MS0056-E-00 2000/10 - 5 - PIN/FUNCTION No. Pin Name I/O Function 1 SDOS I SDTO Source Select Pin (Note 1) “L”: Internal ADC output, “H”: DAUX input 2 I2C I Control Mode Select Pin “L”: 3-wire Serial, “H”: I 2C Bus 3 SMUTE I Soft Mute Pin (Note 1) When this pin goes to “H”, soft mute cycle is initialized. When returning to “L”, the output mute releases. 4 BICK I Audio Serial Data Clock Pin 5 LRCK I Input Channel Clock Pin 6 SDTI1 I DAC1 Audio Serial Data Input Pin 7 SDTI2 I DAC2 Audio Serial Data Input Pin 8 SDTI3 I DAC3 Audio Serial Data Input Pin 9 SDTO O Audio Serial Data Output Pin 10 DAUX I AUX Audio Serial Data Input Pin 11 DFS I Double Speed Sampling Mode Pin (Note 1) “L”: Normal Speed, “H”: Double Speed 12 NC - No Connect No internal bonding. 13 DZFE I Zero Input Detect Enable Pin “L”: mode 7 (disable) at parallel mode, zero detect mode is selectable by DZFM2-0 bits at serial mode “H”: mode 0 (DZF1 is AND of all six channels) 14 TVDD - Output Buffer Power Supply Pin, 2.7V ∼5.5V 15 DVDD - Digital Power Supply Pin, 4.5V ∼5.5V 16 DVSS - Digital Ground Pin, 0V 17 PDN I Power-Down & Reset Pin When “L”, the AK4527B is powered-down and the control registers are reset to default state. If the state of P/S or CAD0-1 changes, then the AK4527B must be reset by PDN. 18 TST I Test Pin This pin should be connected to DVSS. 19 NC - No Connect No internal bonding. 20 ADIF I Analog Input Format Select Pin “H”: Full-differential input, “L”: Single-ended input 21 CAD1 I Chip Address 1 Pin 22 CAD0 I Chip Address 0 Pin |
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