AK8448 Datasheet, PDF (13/53 Pages) Asahi Kasei Microsystems – 6-Channel Linear Sensor compatible 10 Bit 40 MSPS x 3 Analog Pre-Processor

ASAHI KASEI
[AK8448]
„ Switching Characteristics 2 : in ADC conversion rate mode, CDS, Clamp modes
z Timing Diagrams ( 2 ) 5 Bit wide,1 channel, 2 channel, 3 channel modes
z Timing Diagrams ( 4 ) 5 Bit wide, 4 channel, 6 channel modes
z Timing Diagrams ( 6 ) 10 Bit wide, 1 channel mode
z Timing Diagrams ( 8 ) 10 Bit wide, 2 channel mode
z Timing Diagrams ( 10 ) 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
25
2000 ns
2 ADCK Low Level Width
ADCK
10.9
ns
3 ADCK High Level Width
ADCK
10.9
ns
4 SHR, SHD Cycle Time
SHR, SHD
2T
ns 4, 6ch mode
T
1, 2, 3ch mode
5 SHR Pulse Width
SHR
8
ns
6 SHD Pulse Width
SHD
8
ns
7 SHD Set-up Time
SHD
0
ns
( time to ADCK to rise )
8 SHD Delay Time
SHD
10
ns
( time from ADCK to fall )
9 SHR Aperture Delay
SHR
3.0
ns
10 SHD Aperture Delay
SHD
2.5
ns
11 Output Data Delay Time
( time from ADCK edge )
DA4~DA0 1
DB4~DB0
DC4~DC0
9
ns C=10pF
12 Pipe Line Delay
DA4~DA0
9
unit: 2, 3, 4, 6ch mode
DB4~DB0
DC4~DC0
# of and
ADCK 1CH 5 bits Width
cycles mode
8.5
1CH 10 bits
Width mode
13 SHD = “ H “ inhibit period SHD
T+1
ns 4, 6ch mode
( time till the first ADCK to
rise after SHD to fall )
MS1513-E-00
13
2013/02