AK8456 Datasheet, PDF (8/32 Pages) Asahi Kasei Microsystems – 3 channel input 16bit 30MSPS Video ADC with LED driver

[AK8456]
doesn't work normally. And the over-current may flow through VDD. It is same when
using an external reset pin, too.
Fig.4 In case of external power on reset pin
Trst1
0.9×AVDD
Power
0.1×AVDD
Prise
RESETB
0.1AVDD
Trst2
(VDD：AVDD=OVDD=3.0~3.6V, Ta=0~70C)
Item
Symbol Min. Typ. Max. unit
Condition
VDD rise time
Prise
0.01
ms
Reset period 1
Trst1
100
μs
Reset period2
Trst2
100
μs
*When RESETB:Low, LDO for AFE power and LDO for digital power are power downed. The
time of digital LDO power-off is 6μs. (The time which becomes lower than 20% of 1.8 V)
 DC Characteristics
(AVDD=OVDD=3.0V~3.6V, Ta= 0~70C)
Item
Symbol Pin Min.
Max.
Unit Remarks
High Input Voltage
VIH Note 0.7×AVDD
V
1,2,3
Low Input Voltage
VIL Note
0.3×AVDD V
High Level output resister
Low Level output resister
ROH1
ROL1
1,2,3
Note 4
Note 4
100
Ω
100
Ω
High Output Voltage
VOH Note 5 0.8×AVDD
V IOH=-1mA
Low Output Voltage
VOL Note 5
0.2×AVDD V IOL=1mA
Input Leakage
ILKG1 Note 1
10
10
A
Input Leakage
ILKG2 Note 2
45
10
A
Input Leakage
ILKG3 Note 3
10
90
A
Input Leakage
ILKG4 Note 4
10
10
A High-Z
Input Leakage
ILKG5 Note 6
10
10
A
Output Leakage
OLKG Note 7
10
10
A
(Note1) ADCK, SHD, SCLK, SDATA (Input), SDENB,
(Note2) RESETB
(Note3) LEDEN_R, LEDEN_G, LEDEN_B
(Note4) D0~D7
(Note5) SDATA (Output)
014002433-E-00
-8-
2014/06