AK4387 Datasheet, PDF (3/21 Pages) Asahi Kasei Microsystems – 106dB 192kHz 24-Bit 2ch ΔΣ DAC

ASAHI KASEI
[AK4387]
PIN/FUNCTION
No. Pin Name
I/O Function
1 MCLK
I Master Clock Input Pin
An external TTL clock should 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 AK4387 is in the power-down mode and is held in reset.
The AK4387 must be reset once upon power-up.
6 CSN
I Chip Select Pin
7 CCLK
I Control Data Clock Pin
8 CDTI
I Control Data Input Pin
9 NC
- No Connect pin
No internal bonding. This pin should be opened or connected to VSS.
10 AOUTR
O Rch Analog Output Pin
11 AOUTL
O Lch Analog Output Pin
12 VCOM
13 VSS
O Common Voltage Pin, AVDD/2
Normally connected to VSS with a 0.1µF ceramic capacitor in parallel with a
10µF electrolytic cap.
- Ground Pin
14 AVDD
- Power Supply Pin
15 DVDD
- Power Supply Pin
16 DZF
O Lch and Rch Data Zero Input Detect Pin
Note: All input pins should not be left floating.
ABSOLUTE MAXIMUM RATINGS
(VSS=0V; Note 1)
Parameter
Symbol
min
Power Supply
AVDD, DVDD
-0.3
Input Current (any pins except for supplies)
IIN
-
Input Voltage
VIND
-0.3
Ambient Operating Temperature
Ta
-20
Storage Temperature
Tstg
-65
max
6.0
±10
DVDD+0.3
85
150
Units
V
mA
V
°C
°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.
(VSS=0V; Note 1)
Parameter
Power Supply
RECOMMENDED OPERATING CONDITIONS
Symbol
min
typ
(Note 2)
AVDD, DVDD
4.5
5.0
Note 2. The power up sequence between AVDD and DVDD is not critical.
*AKM assumes no responsibility for the usage beyond the conditions in this datasheet.
max
Units
5.5
V
MS0429-E-00
-3-
2005/09