|
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
ï0.3
TVDD
ï0.3
Digital Core
|AVSS ï DVSS|
VDD18
ï0.3
ïGND
-
Input Current, Any Pin Except Supplies
IIN
-
Digital Input Voltage
VIND
ï0.3
Ambient Temperature (Power applied)
When the back pad is connected to ground
Ta
ï40
When the back pad is open
Ta
ï40
Storage Temperature
Tstg
ï65
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
ï±10
mA
TVDD+0.3
V
105
ï°C
85
ï°C
150
ï°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= âLâ) (Note 7)
Digital I/O
TVDD
VDD18
1.8
3.6
V
Digital Core
VDD18
1.7
1.8
1.98 V
(LDOE pin = âHâ)(Note 8)
Digital I/O
TVDD
3.0
3.3
3.6
V
Voltage Reference
âHâ voltage reference âLâ
voltage reference
VREFH1-4 AVDDï0.5 -
AVDD V
VREFL1-4
-
AVSS
-
V
Note 7. TVDD must be powered up before VDD18 when the LDOE pin = âLâ. The power up sequence
between AVDD and TVDD or AVDD and VDD18 is not critical.
Note 8. When LDOE pin = âHâ, 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
|
▷ |