[AK4388A]
MS1008-E-02 2010/09
- 3 -
PIN/FUNCTION
No. Pin Name I/O Function
1 MCLK I Master Clock Input Pin
An external TTL clock must be input on this pin.
2 BICK I Audio Serial Data Clock Pin
3 SDTI I Audio Serial Data Input Pin
4 LRCK I L/R Clock Pin
5 RSTN I Reset Mode Pin
When at “L”, the AK4388A is in power-down mode and is held in reset. The
AK4388A must always be reset upon power-up.
6 SMUTE I Soft Mute Pin
“H”: Enable, “L”: Disable
7 ACKS I Auto Setting Mode Pin
“L”: Manual Setting Mode, “H”: Auto Setting Mode
8 DIF0 I Audio Data Interface Format Pin
9 DIF1 I Audio Data Interface Format Pin (Internal pull-up pin)
10 AOUTR O Rch Analog Output Pin
11 AOUTL O Lch Analog Output Pin
12 VCOM O Common Voltage Pin, VDD/2
Normally connected to VSS with a 10μF electrolytic cap.
13 VSS - Ground Pin
14 VDD - Power Supply Pin 4.5V~5.5V
15 DEM I De-emphasis Mode Pin (Internal pull-down pin)
When at “H”, the de-emphasis filter is available.
16 DZF O Zero Input Detect Pin
Note: All input pins except pull-up and pull-down pins must not be left floating.
ABSOLUTE MAXIMUM RATINGS
(VSS=0V; Note 1)
Parameter Symbol min max Units
Power Supply VDD -0.3 6.0 V
Input Current (any pins except for supplies) IIN -
±10
mA
Input Voltage VIND -0.3 VDD+0.3 V
Ambient Operating Temperature Ta -20 85
°C
Storage Temperature Tstg -65 150
°C
Note 1. All voltages with respect to ground.
WARNING: Operation at or beyond these limits may results in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
RECOMMENDED OPERATING CONDITIONS
(VSS=0V; Note 1)
Parameter Symbol min typ max Units
Power Supply VDD 4.5 5.0 5.5 V
*AKM assumes no responsibility for the usage beyond the conditions in this datasheet.
