AK8451 - 1 channel-input 16 bit 6MSPS ADC
LED current setting external resister pin Reference voltage output :1.1V External capacitor : 0.33μF Sensor Signal input Sensor Reference Level input at DC Direct Coupled mode Clamp Level output at CDS mode (external Cap.: 0.1μF) Unused(note 1) Analog ground Analog power supply LED output pin R LED .
[AK8451] AK8451 1 channel-input 16 bit 6MSPS ADC Device Outline AFE Block The AK8451 is a +3.3 V, Two Channel 16 Bit 6MSPS ADC which integrates on-chip Offset Adjust DAC, Gain Adjust PGA, CDS circuit and <4.5~5.7V> 3 channel LED Drivers. LED Driver Block This product is the 3 channel LED driver who drives the LED of the anode common in the constant current. The current to pass for each channel can be adjusted by the external resistance and the register setting. Also, it has the cont.
AK8451 Features
* AFE Block
CCD I/F Number of Channels Range Signal Input Range 1 channel 1.98 Vpp (typ.) 0~3.3V @ DC Direct Coupled input mode at AVDD = 3.3 V
Integrated On-chip CDS circuit
Compatible with both Positive and Negative signal polarities ADC Maximum Conversion Rate 6 MSPS Resolution Black Leve