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參數(shù)資料
| 型號(hào)： | EVAL-AD7401AEDZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD7401 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | iCoupler® |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 20M |
| 數(shù)據(jù)接口： | 串行 |
| 輸入范圍： | ±320 mV |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 105mW @ 20MSPS |
| 工作溫度： | -40°C ~ 125°C |
| 已用 IC / 零件： | AD7401A |
| 已供物品： | 板 |
Isolated Sigma-Delta Modulator
AD7401A
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2008–2011 Analog Devices, Inc. All rights reserved.
FEATURES
20 MHz maximum external clock rate
Second-order modulator
16 bits, no missing codes
±2 LSB INL typical at 16 bits
1 μV/°C typical offset drift
On-board digital isolator
On-board reference
±250 mV analog input range
Low power operation: 17 mA typical at 5.5 V
40°C to +125°C operating range
16-lead SOIC package
Internal clock version: AD7400A
Safety and regulatory approvals
UL recognition
5000 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
VDE Certificate of Conformity
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
VIORM = 891 V peak
APPLICATIONS
AC motor controls
Shunt current monitoring
Data acquisition systems
Analog-to-digital and opto-isolator replacements
GENERAL DESCRIPTION
The AD7401A1 is a second-order, sigma-delta (Σ-Δ) modulator
that converts an analog input signal into a high speed, 1-bit data
stream with on-chip digital isolation based on Analog Devices,
Inc., iCoupler technology. The AD7401A operates from a 5 V
power supply and accepts a differential input signal of ±250 mV
(±320 mV full scale). The analog input is continuously sampled
by the analog modulator, eliminating the need for external
sample-and-hold circuitry. The input information is contained
in the output stream as a density of ones with a data rate up to
20 MHz. The original information can be reconstructed with
an appropriate digital filter. The serial I/O can use a 5 V or a 3 V
supply (VDD2).
The serial interface is digitally isolated. High speed CMOS,
combined with Analog Devices, Inc., iCoupler technology ,
means the on-chip isolation provides outstanding performance
characteristics, superior to alternatives such as optocoupler
devices. The part contains an on-chip reference. The AD7401A
is offered in a 16-lead SOIC and has an operating temperature
range of 40°C to +125°C.
FUNCTIONAL BLOCK DIAGRAM
VIN+
VDD1
VDD2
VIN–
Σ- ADC
CONTROL LOGIC
AD7401A
BUF
T/H
REF
WATCHDOG
GND1
GND2
MDAT
MCLKIN
DECODE
ENCODE
DECODE
ENCODE
UPDATE
WATCHDOG
UPDATE
07
332
-00
1
Figure 1.
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329. Other patents pending.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7401EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Isolated Sigma-Delta Modulator |
| EVAL-AD7401EDZ | 功能描述:BOARD EVALUATION FOR AD7401 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:iCoupler® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD74111EBZ | 功能描述:BOARD EVAL FOR AD74111 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:PSoC® 主要目的:電源管理，熱管理 嵌入式:- 已用 IC / 零件:- 主要屬性:- 次要屬性:- 已供物品:板，CD，電源 |
| EVAL-AD74122EB-U1 | 制造商:Analog Devices 功能描述:- Bulk |
| EVAL-AD7414/15EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:【0.5C Accurate, 10-Bit Digital Temperature Sensors in SOT-23 |
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