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WM8148 Datasheet(PDF) 37 Page - Wolfson Microelectronics plc

Part # WM8148
Description  12-bit/12MSPS CCD/CIS Analogue Front End/Digitiser
PDF  43 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8148 Datasheet(HTML) 37 Page - Wolfson Microelectronics plc

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WM8148
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 4.0 April 1999
37
RECOMMENDED EXTERNAL COMPONENTS
1
13
8
24
4
26
36
37
39
5
7
2
46
47
45
48
43
42
34
35
40
30
25
6
DVDD1
DVDD2
DGND1
DGND2
DGND3
DGND4
RINP
GINP
BINP
MCLK
VSMP
RLC
SCK/RNW
SEN/STB
SDI/DNA
PNS
OEB
NRESET
OVRD
AGND1
AGND2
AGND3
AGND4
AGND5
41
28
27
3
33
32
31
29
38
23
22
21
20
19
18
17
16
15
14
12
11
10
9
44
SDO
OP0
OP1
OP2
OP3
OP4
OP5
OP6
OP11
OP10
OP9
OP8
OP7
VRLC
VRX
VRT
VRB
NC
NC
NC
AVDD4
AVDD3
AVDD2
AVDD1
WM8148
C2
C1
C11
C12
C7
C8
C9
C10
C3
C4
C5
C6
DVDD
AVDD
C14
C13
DVDD
C16
C15
AVDD
++
+
+
Video
Inputs
Timing
Signals
Interface
Controls
Output
Data
Bus
Serial
Output
C1-12 should be fitted as close to
NOTES:
DGND
DGND
AGND
AGND
AGND
AGND
AGND
AGND and DGND should be connected
as close to WM8148 as possible.
WM8148 as possible.
1.
2.
Figure 44 External Components Diagram
COMPONENT
REFERENCE
SUGGESTED
VALUE
DESCRIPTION
C1
10nF
De-coupling for DVDD1.
C2
10nF
De-coupling for DVDD2.
C3
10nF
De-coupling for AVDD4.
C4
10nF
De-coupling for AVDD3.
C5
10nF
De-coupling for AVDD2.
C6
10nF
De-coupling for AVDD1.
C7
10nF
High frequency de-coupling between VRT and VRB.
C8
1
µF
Low frequency de-coupling between VRT and VRB (non-polarised).
C9
100nF
De-coupling for VRX.
C10
100nF
De-coupling for VRLC.
C11
100nF
De-coupling for VRB.
C12
100nF
De-coupling for VRT.
C13
1
µF
Reservoir capacitor for DVDD.
C14
1
µF
Reservoir capacitor for DVDD.
C15
1
µF
Reservoir capacitor for AVDD.
C16
1
µF
Reservoir capacitor for AVDD.
Table 9 External Components Descriptions



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