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參數(shù)資料
| 型號： | AD7485BSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 11/15頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT SAR 1MSPS 48-LQFP |
| 標準包裝： | 1 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 80mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 1 個單端，單極 |
REV.
–4–
AD7485
ABSOLUTE MAXIMUM RATINGS
*
(TA = 25
°C, unless otherwise noted.)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
VDRIVE to GND . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Analog Input Voltage to GND . . . . . . –0.3 V to AVDD + 0.3 V
Digital Input Voltage to GND . . . . . –0.3 V to VDRIVE + 0.3 V
REFIN to GND . . . . . . . . . . . . . . . . –0.3 V to AVDD + 0.3 V
Input Current to Any Pin except Supplies . . . . . . . . .
±10 mA
Operating Temperature Range
Commercial . . . . . . . . . . . . . . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150
°C
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)
SMODE
TFS
DGND
VDRIVE
DGND
AVDD
CBIAS
AGND
AVDD
AGND
VIN
REFOUT
REFIN
REFSEL
AGND
DVDD
DGND
AD7485
AGND
DGND
A
GND
A
GND
AV
DD
DV
DD
DGND
RESET
CONVST
SCO
DGND
AV
DD
A
GND
A
GND
STBY
NAP
MCLK
DGND
SDO
DGND
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . . 50
°C/W
JC Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . . 10
°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . 215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°C
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 kV
*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 condi-
tions for extended periods may affect device reliability.
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 AD7485
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
A
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