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AK4458 Datasheet, PDF (10/84 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC
[AK4458]
6. Absolute Maximum Ratings
(AVSS =DVSS =0V; Note 5)
Parameter
Symbol
Min.
Power Supplies:
Analog
Digital I/O
AVDD
0.3
TVDD
0.3
Digital Core
|AVSS  DVSS|
VDD18
0.3
GND
-
Input Current, Any Pin Except Supplies
IIN
-
Digital Input Voltage
VIND
0.3
Ambient Temperature (Power applied)
When the back pad is connected to ground
Ta
40
When the back pad is open
Ta
40
Storage Temperature
Tstg
65
Note 5. All voltages with respect to ground.
Note 6. AVSS and DVSS must be connected to the same potential.
Max.
Unit
6.0
V
4.0
V
2.5
V
0.3
V
10
mA
TVDD+0.3
V
105
C
85
C
150
C
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
7. Recommended Operation Conditions
(AVSS =DVSS =0V; Note 5)
Parameter
Symbol
Min.
Typ. Max. Unit
Analog
AVDD
3.0
5.0
5.5
V
Power Supplies
(LDOE pin= “L”) (Note 7)
Digital I/O
TVDD
VDD18
1.8
3.6
V
Digital Core
VDD18
1.7
1.8
1.98 V
(LDOE pin = “H”)(Note 8)
Digital I/O
TVDD
3.0
3.3
3.6
V
Voltage Reference
“H” voltage reference “L”
voltage reference
VREFH1-4 AVDD0.5 -
AVDD V
VREFL1-4
-
AVSS
-
V
Note 7. TVDD must be powered up before VDD18 when the LDOE pin = “L”. The power up sequence
between AVDD and TVDD or AVDD and VDD18 is not critical.
Note 8. When LDOE pin = “H”, the internal LDO supplies 1.8V (typ). The power up sequences between
AVDD and TVDD, AVDD and VDD18 are not critical.
* AKM assumes no responsibility for the usage beyond the conditions in this data sheet.
014011794-E-01
- 10 -
2015/08