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參數資料
| 型號： | AD7621 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 串行ADC |
| 英文描述： | 16-Bit, 1 LSB INL, 3 MSPS PulSAR ADC |
| 中文描述： | 16位，1 LSB INL和3 MSPS的PulSAR系列ADC的 |
| 文件頁數： | 5/26頁 |
| 文件大小： | 265K |
| 代理商： | AD7621 |
REV. Pr D
PRELIMINARY TECHNICAL DATA
AD7621
–5–
WARNING
ING!
ESD SENSITIVE
DEVICE
ABSOLUTE MAXIMUM RATINGS
1
Analog Inputs
IN+
2
, IN-
2
, REF, REFBUFIN, TEMP, REFGND to
AGND . . . . . . . . . . AVDD + 0.3 V to AGND – 0.3 V
Ground Voltage Differences
AGND, DGND, OGND . . . . . . . . . . . . . . . . . . .±0.3 V
Supply Voltages
AVDD, DVDD . . . . . . . . . . . . . . . . . . . -0.3V to +2.7 V
OVDD . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +3.8 V
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 5.5V
Internal Power Dissipation
3
. . . . . . . . . . . . . . . . 700 mW
Internal Power Dissipation
4
. . . . . . . . . . . . . . . . . . . 2.5W
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . .–65°C to +150°C
Lead Temperature Range
(Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . 300°C
NOTES
1
Stresses above those listed under Absolute Maximum Ratings may
cause permanent damage to the device. This is a stress rating only;
functional operation 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 ex-
tended periods may affect device reliability.
2
See Analog Input section.
3
Specification is for device in free air: 48-Lead LQFP:
θ
JA
= 91°C/W,
θ
JC
=
30°C/W.
4
Specification is for device in free air: 48-Lead LFCSP:
θ
JA
= 26°C/W.
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 AD7621 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.
ORDERING GUIDE
Model
Temperature Range
Package Description
Package Option
AD7621AST
AD7621ASTRL
AD7621ACP
AD7621ACPRL
EVAL-AD7621CB
1
EVAL-CONTROL BRD3
2
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
Quad Flatpack (LQFP)
Quad Flatpack (LQFP)
Chip Scale (LFCSP)
Chip Scale (LFCSP)
Evaluation Board
Controller Board
ST-48
ST-48
CP-48
CP-48
NOTES
1
This board can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL BRD3 for evaluation/demonstration
purposes.
2
This board allows a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators.
I
OH
500 A
I
OL
TO OUTPUT
PIN
1.4V
C
L
50pF
*
*
IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND
SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD
C
L
OF 10pF; OTHERWISE, THE LOAD IS 50pF MAXIMUM.
500 A
Figure 1. Load Circuit for Digital Interface Timing,
SDOUT, SYNC, SCLK Outputs, C
L
= 10 pF
0.8V
t
DELAY
2V
2V
0.8V
0.8V
2V
t
DELAY
Figure 2. Voltage Reference Levels for Timing
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| AD7621ACP | 16-Bit, 1 LSB INL, 3 MSPS PulSAR ADC |
| AD7621ACPRL | 16-Bit, 1 LSB INL, 3 MSPS PulSAR ADC |
| AD7621AST | 16-Bit, 1 LSB INL, 3 MSPS PulSAR ADC |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7621ACP | 制造商:Analog Devices 功能描述:ADC Single SAR 3Msps 16-bit Parallel/Serial 48-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:16-BIT, 1 LSB INL, 3 MSPS PULSAR- ADC - Bulk |
| AD7621ACPRL | 制造商:Analog Devices 功能描述:ADC Single SAR 3Msps 16-bit Parallel/Serial 48-Pin LFCSP EP T/R |
| AD7621ACPZ | 功能描述:IC ADC 16BIT 2MSPS DIFF 48LFCSP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 其它有關文件:TSA1204 View All Specifications 標準包裝:1 系列:- 位數:12 采樣率（每秒）:20M 數據接口:并聯 轉換器數目:2 功率耗散（最大）:155mW 電壓電源:模擬和數字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應商設備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數目和類型:4 個單端，單極；2 個差分，單極 產品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| AD7621ACPZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 2 LSB INL, 3 MSPS PulSAR?? ADC |
| AD7621ACPZRL | 功能描述:IC ADC 16BIT 2MSPS DIFF 48LFCSP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:PulSAR® 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
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