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參數資料
| 型號： | AD7898 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 5 V, 12-Bit, Serial 220 kSPS ADC in an 8-Lead Package |
| 中文描述： | 5伏，12位，220 kSPS的串行ADC的8引腳封裝 |
| 文件頁數： | 4/16頁 |
| 文件大?。?/td> | 184K |
| 代理商： | AD7898 |
AD7898
–4–
REV. 0
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 AD7898 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD pre-
cautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25
°
C unless otherwise noted)
V
DD
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Analog Input Voltage to GND
AD7898-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
17 V
AD7898-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
10 V
Reference Input Voltage to GND . . . . –0.3 V to V
DD
+ 0.3 V
Digital Input Voltage to GND . . . . . . . –0.3 V to V
DD
+ 0.3 V
Digital Output Voltage to GND . . . . . –0.3 V to V
DD
+ 0.3 V
Operating Temperature Range
Commercial (A, B Versions) . . . . . . . . . . . –40
°
C to +85
°
C
Storage Temperature Range . . . . . . . . . . . –65
°
C to +150
°
C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°
C
SOIC Package, Power Dissipation . . . . . . . . . . . . . . . 450 mW
θ
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . . 170
°
C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . 215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°
C
ESD
AD7898-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 kV
AD7898-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 kV
NOTES
1
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating; 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
Model
Temperature Range
–40
°
C to +85
°
C
–40
°
C to +85
°
C
Linearity Error (LSB)
1
±
1 LSB
±
1 LSB
SNR (dB)
Package Option
2
AD7898AR-10
AD7898AR-3
EVAL-AD7898CB
EVAL-CONTROL BRD2
3
71 dB
71 dB
SO-8
SO-8
NOTES
1
Linearity Error refers to integral linearity error.
2
SO = SOIC.
3
This board is a complete unit allowing a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators.
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
8
7
6
5
1
2
3
4
REF IN
V
IN
GND
SCLK
V
DD
CS
/
CONVST
V
DRIVE
SDATA
AD7898
200 A
I
OH
200 A
I
OL
TO
OUTPUT
PIN
C
L
50pF
1.6V
Figure 1. Load Circuit for Digital Output Timing
Specifications
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7898AR10 | 制造商:AD 功能描述:New |
| AD7898AR-10 | 功能描述:IC ADC 12BIT SRL HS 5V 8-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯 轉換器數目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7898AR-10 | 制造商:Analog Devices 功能描述:A/D CONVERTER (A-D) IC ((NW)) |
| AD7898AR-10REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 220ksps 12-bit Serial 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:5V 12-BIT SERIAL ADC IN 8-PIN PKG I.C. - Tape and Reel |
| AD7898AR-10REEL7 | 功能描述:IC ADC 12BIT SRL HS 5V 8-SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率（每秒）:45k 數據接口:串行 轉換器數目:2 功率耗散（最大）:315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端，單極 |
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