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參數(shù)資料
| 型號： | AD7865ASZ-2 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 15/19頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT 4CHAN 5V 44MQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 350k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 160mW |
| 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： | 44-QFP |
| 供應(yīng)商設(shè)備封裝： | 44-MQFP（10x10） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 4 個差分，單極 |
REV. B
AD7865
–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 AD7865 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)
VDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
VDRIVE to DGND . . . . . . . . . . . . . . . . . . . . . . . . . VDD + 0.3 V
Analog Input Voltage to AGND
AD7865-1 (
±10 V Input Range) . . . . . . . . . . . . . . . . ±18 V
AD7865-1 (
±5 V Input Range) . . . . . . . . . . . . . . . . . . ±9 V
AD7865-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . –1 V to +18 V
AD7865-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . –4 V to +18 V
Reference Input Voltage to AGND . . . –0.3 V to VDD + 0.3 V
Digital Input Voltage to DGND . . . . . –0.3 V to VDD + 0.3 V
Digital Output Voltage to DGND . . . . –0.3 V to VDD + 0.3 V
Operating Temperature Range
Commercial (A, B Versions) . . . . . . . . . . . –40
°C to +85°C
Automotive (Y Version) . . . . . . . . . . . . . . –40
°C to +105°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150
°C
PQFP Package, Power Dissipation . . . . . . . . . . . . . . 450 mW
θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 95°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
Input
Relative
Temperature
Package
Model
Ranges
Accuracy
Ranges
Description
Option
AD7865AS-1
±5 V, ±10 V
±2 LSB
–40
°C to +85°C
Plastic Lead Quad Flatpack
S-44
AD7865BS-1
±5 V, ±10 V
±1.5 LSB
–40
°C to +85°C
Plastic Lead Quad Flatpack
S-44
AD7865YS-1
±5 V, ±10 V
±2 LSB
–40
°C to +105°C
Plastic Lead Quad Flatpack
S-44
AD7865AS-2
0 V to 2.5 V, 0 V to 5 V
±2 LSB
–40
°C to +85°C
Plastic Lead Quad Flatpack
S-44
AD7865BS-2
0 V to 2.5 V, 0 V to 5 V
±1.5 LSB
–40
°C to +85°C
Plastic Lead Quad Flatpack
S-44
AD7865YS-2
0 V to 2.5 V, 0 V to 5 V
±2 LSB
–40
°C to +105°C
Plastic Lead Quad Flatpack
S-44
AD7865AS-3
±2.5 V
±2 LSB
–40
°C to +85°C
Plastic Lead Quad Flatpack
S-44
AD7865BS-3
±2.5 V
±1.5 LSB
–40
°C to +85°C
Plastic Lead Quad Flatpack
S-44
AD7865YS-3
±2.5 V
±2 LSB
–40
°C to +105°C
Plastic Lead Quad Flatpack
S-44
PIN CONFIGURATION
12 13 14 15 16 17 18 19 20 21 22
3
4
5
6
7
1
2
10
11
8
9
40 39 38
41
42
43
44
36 35 34
37
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
29
30
31
32
27
28
25
26
23
24
33 DB7
DB8
DB0
DB1
DB2
DB3
DB4
DB5
DGND
V
DRIVE
DV
DD
DB6
EOC
DB9
DB10
DB12
DB13
AGND
V
IN4B
V
IN4A
V
IN3B
V
IN3A
V
IN2B
BUSY
FRSTDATA
CONVST
CS
RD
WR
CLK IN/SL1
INT/EXT CLK/SL2
SL3
SL4
H/S SEL
AVDD
VREF
AGND
V
IN2A
V
IN1B
V
IN1A
STBY
AD7865
DB11
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