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參數(shù)資料
| 型號： | AD7729AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Dual Sigma-Delta ADC with Auxiliary DAC |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封裝： | SOIC-28 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 142K |
| 代理商： | AD7729AR |
AD7729
–6–
REV. 0
ABSOLUTE MAXIMUM RATINGS*
(T
A
= +25
°
C unless otherwise stated)
AVDD, DVDD to GND . . . . . . . . . . . . . . . . –0.3 V to +7 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V
Digital I/O Voltage to DGND . . . . –0.3 V to DVDD + 0.3 V
Analog I/O Voltage to AGND . . . . –0.3 V to AVDD + 0.3 V
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . –40
°
C to +105
°
C
Storage Temperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Maximum Junction Temperature . . . . . . . . . . . . . . . +150
°
C
TSSOP
θ
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . +122
°
C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . +215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . +220
°
C
SOIC
θ
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . . +72
°
C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . +215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . +220
°
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 any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
ORDERING GUIDE
Temperature
Range
–40
°
C to +105
°
C Small Outline IC
Package
Descriptions
Package
Options
Model
AD7729AR
R-28
(SOIC)
AD7729ARU –40
°
C to +105
°
C Thin Shrink Small RU-28
Outline (TSSOP)
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 AD7729 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.
WARNING!
ESD SENSITIVE DEVICE
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AD7729
RxON
RESETB
BSDI
BSDIFS
ASCLK
ASDI
ASDIFS
IRxP
IRxN
QRxP
QRxN
AGND
AVDD1
AVDD2
MCLK
BSCLK
BSDO
BSDOFS
BSE
ASDO
ASDOFS
REFCAP
REFOUT
AUXDAC
DVDD1
ASE
DGND
DVDD2
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