AD9814 데이터 시트보기 (PDF) - Analog Devices
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AD9814 Datasheet PDF : 15 Pages
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AD9814
ABSOLUTE MAXIMUM RATINGS*
Parameter
With
Respect
To
Min Max
Units
VIN, CAPT, CAPB AVSS –0.3 AVDD + 0.3 V
Digital Inputs
AVSS –0.3 AVDD + 0.3 V
AVDD
AVSS –0.5 +6.5
V
DRVDD
DRVSS –0.5 +6.5
V
AVSS
DRVSS –0.3 +0.3
V
Digital Outputs
DRVSS –0.3 DRVDD + 0.3 V
Junction Temperature
+150
°C
Storage Temperature
–65 +150
°C
Lead Temperature
(10 sec)
+300
°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum ratings
for extended periods may affect device reliability.
Model
AD9814JR
AD9814KR
ORDERING GUIDE
Temperature
Range
0°C to +70°C
0°C to +70°C
Package
Description
28-Lead 300 Mil SOIC
28-Lead 300 Mil SOIC
THERMAL CHARACTERISTICS
Thermal Resistance
28-Lead 300 Mil SOIC
θJA = 71.4°C/W
θJC = 23°C/W
PIN CONFIGURATION
CDSCLK1 1
28 AVDD
CDSCLK2 2
27 AVSS
ADCCLK 3
26 VINR
OEB 4
25 OFFSET
DRVDD 5
24 VING
DRVSS
(MSB) D7
D6
6
23 CML
AD9814
7 TOP VIEW 22 VINB
8 (Not to Scale) 21 CAPT
D5 9
20 CAPB
D4 10
19 AVSS
D3 11
18 AVDD
D2 12
17 SLOAD
D1 13
16 SCLK
(LSB) D0 14
15 SDATA
PIN FUNCTION DESCRIPTIONS
Pin
No. Name
Type Description
1 CDSCLK1 DI
CDS Reference Level Sampling
Clock
2 CDSCLK2 DI
CDS Data Level Sampling Clock
3 ADCCLK DI
A/D Converter Sampling Clock
4 OEB
DI
Output Enable, Active Low
5 DRVDD
P
Digital Output Driver Supply
6 DRVSS
P
Digital Output Driver Ground
7 D7
DO
Data Output MSB. ADC DB13
High Byte, ADC DB5 Low Byte
8 D6
DO
Data Output. ADC DB12 High
Byte, ADC DB4 Low Byte
9 D5
DO
Data Output. ADC DB11 High
Byte, ADC DB3 Low Byte
10 D4
DO
Data Output. ADC DB10 High
Byte, ADC DB2 Low Byte
11 D3
DO
Data Output. ADC DB9 High
Byte, ADC DB1 Low Byte
12 D2
DO
Data Output. ADC DB8 High
Byte, ADC DB0 Low Byte
13 D1
DO
Data Output. ADC DB7 High
Byte, Don’t Care Low Byte
14 D0
DO
Data Output LSB. ADC DB6
High Byte, Don’t Care Low Byte
15 SDATA
DI/DO Serial Interface Data Input/Output
16 SCLK
DI
Serial Interface Clock Input
17 SLOAD
DI
Serial Interface Load Pulse
18 AVDD
P
+5 V Analog Supply
19 AVSS
P
Analog Ground
20 CAPB
AO
ADC Bottom Reference Voltage
Decoupling
21 CAPT
AO
ADC Top Reference Voltage
Decoupling
22 VINB
AI
Analog Input, Blue Channel
23 CML
AO
Internal Bias Level Decoupling
24 VING
AI
Analog Input, Green Channel
25 OFFSET AO
Clamp Bias Level Decoupling
26 VINR
AI
Analog Input, Red Channel
27 AVSS
P
Analog Ground
28 AVDD
P
+5 V Analog Supply
TYPE: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO =
Digital Output, P = Power.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD9814 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
–4–
WARNING!
ESD SENSITIVE DEVICE
REV. 0
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