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AKM - 3 channel input 16bit 30MSPS Video ADC

Numéro de référence AK8456
Description 3 channel input 16bit 30MSPS Video ADC
Fabricant AKM 
Logo AKM 





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AK8456 fiche technique
[AK8456]
AK8456
3 channel input 16bit 30MSPS Video ADC with LED driver
1. General Description
AK8456 is an AFE for three channels contact image sensor (CIS). AK8456 has offset adjusting DAC,
digital programmable gain amplifier (PGA) and LED drivers. AK8456 is suitable for multi-function
printer and image scanner.
2. Feature
Input Block
Channel number
3 channel (1 channel mode is available)
Range
1.3Vpp (min.)
Gain 0dB/6dB
ADC
Maximum conversion ratio
30MSPS
10MSPS/ch @ 3-channel mode
30MSPS/ch @ 1-channel mode
Resolution
16bit (Straight binary code/Gray code)
Black correction DAC
Range
Resolution
369mV (Equivalent input voltage) ±250mV(min.)
6bit
Digital PGA
Range
0dB~18dB
Resolution
8bit
Output Format
8bit × 2
LED Current
67.2mA/ch (typ.) @ Maximum setting
CPU I/F
Adjustable by 12.5% resolution channel independently
3-wire serial interface
Supply Voltage
Power Consumption
AFE: 3.3V0.3V, LED driver: 4.5V~5.7V
190 mW (typ.)Except LED drive current.
Operating Temperature 0C~70C
Package
36pin QFN (Exposed Die Pad), 0.4mm pitch, 5mm5mm
014002433-E-00
-1-
2014/06

PagesPages 30
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