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

ASAHI KASEI
[AK8448]
„ Analog Characteristics
( AVDD = 3.3 V, DVDD = 3.3 V, Ta = 25 °C, ADCK at 40MHz unless otherwise specified )
Parameter
Symbol
Condition
Min. Typ. Max. Unit
Reference Voltage part
Clamp Voltage VCLP Positive Polarity
0.94 1.04 1.14
V
Negative Polarity
2.15 2.3 2.45
Common Voltage VCOM
1.1
1.2
1.3
V
ADC Reference
Voltage
Positive
VRP
1.5
1.6
1.7
V
Negative
VRN
0.7
0.8
0.9
Clamp / CDS part
Input Range
VI
At PGA Gain= 0dB
CDS mode
1.20 1.35 1.50 Vpp
Clamp mode
1.04 1.19 1.34
DC direct-coupled mode
1.20 1.35 1.50
Input Capacitance CIN
CCDIN
10
pF
Input Bandwidth CBW
CCDIN~ADC
1
( note 1 )
At PGA Gain= 0dB
pixel
CDS Effect
CDS
noise 0.4Vpp 150kHz
-35
dB
signal 0.8Vpp 1MHz
Offset Adjust DAC
Resolution
DRES
8
Bit
Range
DRNG Input referred value
±252.0 ±298.7 ±366.6 mV
Differential
DNL
Guaranteed monotonicity
−1.0
+1.5 LSB
Non-Linearity
PGA
Maximum Gain GMAX CCDIN~ADC
18.25 18.75 19.25 dB
Relative value to 0dB
Step Width
Resolution
Differential
Non-Linearity
Input Idle State
Noise ( note 2 )
Internal Offset
( note 3 )
Cross-Talk
GSTA
RES
DNL
NI
VOFST
Guaranteed monotonicity
ADC
0.001 0.03
～0.26
CCDIN~ADC
−1.0
Guaranteed no-missing code
Noise, Internal Offset, Cross-talk
At PGA Gain=0dB
0.4
At PGA Gain=18dB
1.0
At PGA Gain=0dB
−50
10
+1.0
50
dB
bit
LSB
LSB_rms
mV
XTALK1 ( note 4 )
XTALK2 ( note 5 )
±1
LSB
−3
+3
MS1513-E-00
10
2013/02