AK8448 Datasheet, PDF (1/53 Pages) Asahi Kasei Microsystems – 6-Channel Linear Sensor compatible 10 Bit 40 MSPS x 3 Analog Pre-Processor

ASAHI KASEI
[AK8448]
AK8448
6-Channel Linear Sensor compatible
10 Bit 40 MSPS x 3 Analog Pre-Processor
Features
… Maximum Processing Speed
In CDS mode and Clamp mode
1ch, 2ch and 3ch mode:
40M samples/sec per channel
4ch and 6ch mode:
20M sample/sec per channel
In DC Direct-coupled mode
1ch, 2ch and 3ch mode:
15M sample/sec per channel
4ch and 6ch mode:
15M sample/sec per channel
… Maximum Input Level: 1.35Vpp (typ.)@CDS mode and DC connection mode
1.19Vpp (typ.)@Clamp mode
… Compatible with both CCD and CIS Signal Polarities
… Simultaneously Sampling 6-Channel CDS circuits ( Correlated Double Sampling )
… Offset DACs: Adjustable Range : ±298.7 mV (typ.), Independent 6-channel 8 Bit DACs
… PGA:
Adjustable Gain Range : 0 dB ~ 18.75 dB (typ.)
Independently adjustable 6-channel 8 Bit PGAs.
… Linearity: DNL = -1LSB (min.), +1LSB (max.) with guaranteed no missing code.
… 5 bit Output Bus:
Enables to output 10 Bit Data in 5 Bit x 2 cycles
… 4-Wire Serial Interface
… Supply:
3.3V±0.3V
… Power Dissipation: T.B.D(typ.)@6ch mode, at 20M samples/sec per channel
… Package:
64 Pin LQFP, Pin pitch 0.5 mm, Mold size 10 mm x 10 mm
DAREFP DAREFN
VCLP VCOM
VRP
VRN
AISET
CCDIN0
REFIN0
REFIN1
CCDIN1
CCDIN2
REFIN2
REFIN3
CCDIN3
CCDIN4
REFIN4
REFIN5
CCDIN5
Clamp
CDS
Clamp
CDS
Reference Voltage
PGA
DAC
DAC
PGA
Clamp
PGA
CDS
DAC
Clamp
DAC
CDS
PGA
Clamp
PGA
CDS
DAC
Clamp
DAC
CDS
PGA
Timing Control
ADC
10
10bit
40MSPS
ADC
10
10bit
40MSPS
ADC
10
10bit
40MSPS
Serial I/F Control
AVDD AVSS
DVDD
DVSS
5
DA0～4
5
DB0～4
5
DC0～4
RESETB
SHD SHR ADCK CLPB
SDIN SDOUT SDENB SDCLK CE0 CE1
MS1513-E-00
1
2013/02