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參數(shù)資料
| 型號： | AD7724ASTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MOD SIGMA-DELTA DUAL 48LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 調(diào)制器 |
| 分辨率（位）： | 15 b |
| 采樣率（每秒）： | 250k |
| 數(shù)據(jù)接口： | 串行 |
| 電壓電源： | 模擬和數(shù)字 |
| 電源電壓： | 2.85 V ~ 5.25 V，4.75 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
REV. B
AD7724
–5–
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 AD7724 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
ABSOLUTE MAXIMUM RATINGS
*
(TA = 25
°C unless otherwise noted)
DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AVDD to DVDD . . . . . . . . . . . . . . . . . . . . . . . –1 V to +1 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V
Digital Inputs to DGND . . . . . . . . –0.3 V to DVDD + 0.3 V
Digital Outputs to DGND . . . . . . . –0.3 V to DVDD + 0.3 V
VIN(+), VIN(–) to AGND . . . . . . . –0.3 V to AVDD + 0.3 V
REF1 to AGND . . . . . . . . . . . . . . . –0.3 V to AVDD + 0.3 V
REF2 to AGND . . . . . . . . . . . . . . . –0.3 V to AVDD + 0.3 V
REFIN to AGND . . . . . . . . . . . . . . –0.3 V to AVDD + 0.3 V
Operating Temperature Range . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150
°C
θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . . 75°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.
PIN CONFIGURATION
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44
39 38 37
43 42 41 40
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
AVDD
AGND
BVIN(–)
NC
BVIN(+)
AGND
AVDD
AGND
AVIN(–)
NC
AVIN(+)
AGND
AVDD
NC = NO CONNECT
NC
STBY
MZERO
RESET
NC
GC
BIP
XTAL_OFF
AD7724
NC
AGND
REF2A
AGND
REF1
AVDD
NC
REF2B
AGND
NC
XTAL1
XTAL1/MCLK
DVDD
DGND
ADATA
BDATA
SCLK
DVDD1
DVAL
NC
ORDERING GUIDE
Temperature
Package
Model
Range
Description
Option
AD7724AST
–40
°C to +85°C
48-Lead Plastic Thin Quad Flatpack (LQFP)
ST-48
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