AD9940 データシートの表示（PDF） - Analog Devices
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AD9940 Datasheet PDF : 20 Pages
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Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
AD9940
NC 1
AVSS 2
AVDD 3
DIFFN 4
DIFFP 5
OVSS 6
OVDD 7
TCVDD 8
CLI 9
TCVSS 10
DVSS 11
DVDD 12
AD9940
TOP VIEW
(Not to Scale)
36 AVSS
35 CCDIN
34 AVSS
33 SHP
32 SHD
31 AVSS
30 H1
29 H2
28 HVSS
27 HVDD
26 H3
25 H4
1. NC = NO CONNECT.
2. THE LFCSP PACKAGE HAS AN EXPOSED PAD.
CONNECT THE EPAD TO GND.
Figure 4. Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
Mnemonic Type1
1
NC
NC
2
AVSS
P
3
AVDD
P
4
DIFFN
AO
5
DIFFP
AO
6
OVSS
P
7
OVDD
P
8
TCVDD
P
9
CLI
DI
10
TCVSS
P
11
DVSS
P
12
DVDD
P
13
DVSS
P
14
SL
DI
15
DVSS
P
16
SDI
DI
17
SCK
DI
18
RST
DI
19
HD
DI
20
NC
NC
21
RG
DO
22
HL
DO
23
RGVSS
P
24
RGVDD
P
25
H4
DO
26
H3
DO
27
HVDD
P
28
HVSS
P
29
H2
DO
30
H1
DO
31
AVSS
P
32
SHD
DI
Description
No Connect. Connect to GND.
Analog Ground.
Analog Supply.
CDS Output, Data (Negative).
CDS Output, Data (Positive).
Analog Output Buffer Ground.
Analog Output Buffer Supply.
Analog Supply for Timing Core.
Reference Clock Input.
Analog Ground for Timing Core.
Digital Ground.
Digital Logic Power Supply.
Digital Ground.
3-Wire Serial Load Pulse.
Digital Ground.
3-Wire Serial Data Input.
3-Wire Serial Clock.
Hardware Reset (Low Active). Low = Reset state, High = Normal operation.
Horizontal Sync Pulse.
Do No Connect. Should be left floating.
CCD Reset Gate Clock.
HL Horizontal Clock.
RG Driver Ground.
RG Driver Power Supply.
CCD Horizontal Clock 4.
CCD Horizontal Clock 3.
Horizontal Clock Driver Supply.
Horizontal Clock Driver Ground.
CCD Horizontal Clock 2.
CCD Horizontal Clock 1.
Analog Ground.
Test Clock Input for CCD Data Phase Sampling.
Rev. A | Page 7 of 20
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