AKD4220-A Datasheet, PDF (3/34 Pages) Asahi Kasei Microsystems – various 7:3 audio and 6:3 video switches.

ASAHI KASEI
[AKD4220-A]
„ Set up jumper pins
1. JP1 (GND)
OPEN
SHORT
: Analog ground and Digital ground
: Separated.
: Common. (The connector “DGND” can be open.) <Default>
2. JP9 (REG)
OPEN
SHORT
: AVDD, VVDD1 of the AK4220, and regulator of T2 (TA48M033F)
: AVDD is supplied from “AVDD ” jack. (“+12V” jack should be open)
: AVDD is supplied from regulator of T1 (NJM78M05FA). < Default >
3. JP16 (AVDD)
OPEN
SHORT
: AVDD of the AK4220
: AVDD is supplied from “AVDD ” jack.
: AVDD is supplied from regulator of T1 (NJM78M05FA).
(“AVDD” jack should be open) < Default >
4. JP10 (VVDD1)
OPEN
SHORT
: VVDD1 of the AK4220
: VVDD1 is supplied from “VVDD1 ” jack.
: VVDD1 is supplied from regulator of T1 (NJM78M05FA).
(“VVDD1” jack should be open) < Default >
5. JP11 (D-A)
OPEN
SHORT
: Regulator of T2 (TA48M033F)
: Regulator of T2 (TA48M033F) is supplied from “D5V ” jack.
: Regulator of T2 (TA48M033F) is supplied from regulator of T1 (NJM78M05FA).
(“D5V” jack should be open) < Default >
6. JP15 (DVDD)
OPEN
SHORT
: DVDD of the AK4220
: DVDD is supplied from “DVDD ” jack.
: DVDD is supplied from regulator of Regulator of T2 (TA48M033F).
(“DVDD” jack should be open) < Default >
7. JP13 (D3.3V)
OPEN
SHORT
: Power of digital logic
: D3.3V is supplied from “D3.3V ” jack.
: D3.3V is supplied from regulator of Regulator of T2 (TA48M033F).
(“D3.3V” jack should be open) < Default >
8. JP12 (VVDD2) : Should be open.
<KM083400>
-3-
2006/06