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參數(shù)資料
| 型號： | EVAL-AD7722CBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 19/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR AD7722CBZ |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 220k |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 輸入范圍： | ±VREF/2 |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 375mW @ 220kSPS |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7722 |
| 已供物品： | 板，CD |
REV. B
–4–
AD7722
ABSOLUTE MAXIMUM RATINGS
1
(TA = 25
°C, unless otherwise noted.)
DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V to +7 V
AVDD, AVDD1 to AGND . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AVDD, AVDD1 to DVDD . . . . . . . . . . . . . . . . . . . –1 V to +1 V
AGND, AGND1 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
DGND, AGND1, AGND2 . . . . . . . . . . . . . . . . . . . . . .
±0.3 V
Input current to any pin except the supplies
2 . . . . . . . .
±10 mA
Operating Temperature Range . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°C
θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . . . 72°C/W
θ
JC Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . . . 20
°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . 215
°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause
permanent damage to the device. This is a stress rating only; functional opera -
tion of the device at these or any other conditions above those indicated in the
operational section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
2Transient currents up to 100 mA will not cause SCR latch-up.
ORDERING GUIDE
Package
Model
Temperature
Description
Option
AD7722AS
–40
°C to +85°C 44-Lead MQFP S-44B
EVAL-AD7722CB
Evaluation Board
IOL
1.6mA
IOH
200 A
1.6V
CL
50pF
TO
OUTPUT
PIN
Figure 1. Load Circuit for Timing Specifications
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 AD7722 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.
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