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AK8456 Datasheet, PDF (9/32 Pages) Asahi Kasei Microsystems – 3 channel input 16bit 30MSPS Video ADC with LED driver
(Note6) CISIN0~2
(Note7) LED_R/G/B (LED Driver OFF)
[AK8456]
 AFE Block Analog Characteristics 1
(Unless other specified, AVDD=OVDD=3.3V, LVDD=5.0V, Ta=25C, ADCK=30MHz)
Item
Symbol
Conditions
min
typ
max Unit
Reference Voltage
Sensor Reference VDCE External Input Range
0.8
1.2 V
Level
VDCI1 Internal Voltage
0.9
1.0
1.1 V
VDCI2 Internal Voltage
1.0
1.1
1.2 V
ADC Reference VRP
1.4
1.5
1.6 V
Voltage
Sample and Hold
Input Range
VI
S/H Gain=0dB
1.3
1.5
Vpp
Digital PGA Gain=0dB
Gain
GSH S/H Gain=6dB setting
5.5
6.0
6.5 dB
Offset Adjust DAC
Resolution
DRES
6 bit
Range
DRNG Equivalent Input Level
Positive Direction
300 369 440 mV
Negative Direction
-440 -369 -300 mV
Differential
DDNL DAC code conversion
-1
+1 LSB
nonlinearity
Digital PGA
Maximum Gain
GMAX Relative to 0dB setting
18
dB
Step Width
Resolution
Differential
Non-Linearity
Integral
Non-linearity
No Signal Noise
(Note 1)
GSTA
RES
DNL
INL
NI
Monotonicity Guaranteed
ADC
0.001 0.07
CISIN~ADC
-1
No missing code guaranteed
at 12bit accuracy
(PGA=0dB)
CISIN~ADC
-16
12bit accuracy
Noise, Internal Offset, Cross Talk
Gain=0dB
14
Gain=18dB
67
(S/H=6dB, PGA=12dB)
dB
16 bit
+1 LSB
16 LSB
LSBrms
Internal Offset
(Note 2)
Cross Talk
VOFST Gain=0dB
XTALK (Note 3) PGA=0dB
50
50 mV
-256 32 256 LSB
014002433-E-00
-9-
2014/06