HT82V46 HOLTEK [Holtek Semiconductor Inc], HT82V46 Datasheet - Page 16

• Manufacturer Part Number: HT82V46
• Description: 16-Bit, 45MSPS, 3-Channel CCD/CIS Analog Signal Processor
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

Rev. 1.10
WS = 0
WS = 1
V
V
V
ODFM[1:0] = X0
ODFM[1:0] = 01
ODFM[1:0] = 01
ODFM[1:0] = 11
CDS
RLC
ODFM[1:0] = X0
RL
IN
OD[7:0]
OD[7:0]
OD[7:0]
OD[7:0]
OD[7:4]
ADCK
= 1
= 0
HB : High Byte; LB : Low Byte
Sampling
+
Block
Input
CDACPD
DAC
RLC
+
HB
-
HB
V
NB4
1
LB
4
HB
+
Offset
Offset
Block
DAC
DAC
CDAC[3:0]
+
NB3
HB
+
t
OD
HB
HB
8
Figure 14 Output Data Format
Figure 13 Overall Signal Flow
V
2
NB2
LB
260mV * (DAC[7:0]–127.5) / 127.5
+
LB
Block
PGA
x
NB1
HB
9
HB
V
16
3
NB4
0.66 + PGA[8:0] * 7.34 / 511
Where
LB
t
OD
+
NB4~NB1 : Nibble (NB4 is the most significant)
HB
* 65535 / V
NB3
HB
V
V
V
Block
ADC
IN
RL
RLC
HB
HB
= VINR or VING or VINB
= V
= 0X : + 32768
= 10 : + 65535
= 11 : + 0
= voltage applied to VRLC/VBIAS pin
NB2
FS
LB
IN
2
sampled during Ref. clamp
LB
PGAFS[1:0]
NB1
HB
D
1
HB
NB4
LB
Output
Invert
HB
Block
NB3
= 0 : D
= 1 : D
HB
November 24, 2011
HB
HB
2
2
INVOD
NB2
= D
= 65535
LB
HT82V46
D2
1
LB
–
OD[7:0]
D
1