AK8448 Datasheet, PDF (12/53 Pages) Asahi Kasei Microsystems – 6-Channel Linear Sensor compatible 10 Bit 40 MSPS x 3 Analog Pre-Processor

ASAHI KASEI
[AK8448]
„ Switching Characteristics 1 : in ADC conversion rate mode, DC direct-coupled mode
z Timing Diagrams ( 1 ) 5 Bit wide, 1 channel, 2 channel, 3 channel modes
z Timing Diagrams ( 3 ) 5 Bit wide, 4 channel, 6 channel modes
z Timing Diagrams ( 5 ) 10 Bit wide, 1 channel mode
z Timing Diagrams ( 7 ) 10 Bit wide, 2 channel mode
z Timing Diagrams ( 9 ) 10 Bit wide, 4 channel mode
( AVDD = 3.0 ~ 3.6 V, DVDD = 3.0 ~ 3.6 V, Ta = 0 ~ 70 °C)
No.
Parameter
Pin
Min. Typ. Max. Unit
Condition
1 ADCK Cycle Time ( T )
ADCK
33.3
2000 ns 4, 6ch mode
66.6
2000
1, 2, 3 ch mode
2 ADCK Low Level Width
ADCK
15.0
ns 4, 6 ch mode
31.7
1, 2, 3 ch mode
3 ADCK High Level Width
ADCK
15.0
ns 4, 6 ch mode
31.7
1, 2, 3 ch mode
4 ADCK Rise Time
ADCK
6
ns
5 ADCK Fall Time
ADCK
6
ns
6 SHD Cycle Time
SHD
2T
ns 4, 6 ch mode
T
1, 2, 3 ch mode
7 SHD Pulse Width
SHD
12
ns
8 SHD Set-up Time
SHD
0
ns
( time to ADCK to rise )
9 SHD Delay Time
SHD
14
ns
( time from ADCK to fall )
10 SHD Aperture Delay
SHD
2.5
ns
11 Output Data Delay Time
( time from ADCK edge )
DA4~DA0 1
DB4~DB0
9
ns C=10pF
DC4~DC0
12 Pipe Line Delay
DA4~DA0
9
DB4~DB0
DC4~DC0
unit: 2, 3, 4, 6 ch mode
# of and
ADCK 1 ch 5 bits Width
cycles mode
8.5
1 ch 10 bits
Width mode
13 SHD = “ H “ inhibit period SHD
T+1
( time till the first ADCK
ns 4, 6ch mode
to rise after SHD to fall )
MS1513-E-00
12
2013/02