AKD4370-B Datasheet, PDF (5/30 Pages) Asahi Kasei Microsystems – 24bit DAC with Headphone Amplifier

ASAHI KASEI
[AKD4370-A]
Other jumper pins set up
JP1 (GND) : Analog ground and Digital ground.
OPEN : Separated.
SHORT : Common. <default>
JP11 (INLN) : Setting of AK7832 Input pin “INLN”
OPEN : When SW2 (SPK_PDN) is “L”.
SHORT : When SW2 (SPK_PDN) is “H”. <default>
JP12 (INRN) : Setting of AK7832 Input pin “INRN”
OPEN : When SW2 (SPK_PDN) is “L”.
SHORT : When SW2 (SPK_PDN) is “H”. <default>
JP13 (DVDD_REG) : Setting of Power Supply “DVDD”
OPEN : It supplies “DVDD” from the outside.
SHORT : It supplies “DVDD” from the Regulator (3.3V).<default>
The function of the toggle SW
Upper-side is “H” and lower-side is “L”.
[SW1] (DAC/DIR_PDN): Power down of AK4370 and AK4116. Keep “H” during normal operation.
[SW2] (SPK_PDN): Power down of AK7832. Keep “H” during normal operation.
Indication for LED
[LED1] (ERF): Monitor INT0 pin of the AK4116. LED turns on when some error has occurred to AK4116.
<KM086300>
-5-
2006/12