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參數(shù)資料
| 型號： | AD7401YRWZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MODULATOR SIGMA-DELTA 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 20M |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 93.5mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
Isolated Sigma-Delta Modulator
AD7401
Rev. D
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
2006–2011 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
3.5 μV/°C maximum offset drift
On-board digital isolator
On-board reference
Low power operation: 20 mA maximum at 5.25 V
40°C to +105°C operating range
16-lead SOIC package
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
Data acquisition systems
A/D + opto-isolator replacements
GENERAL DESCRIPTION
The AD74011 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 AD7401 operates from a 5 V
power supply and accepts a differential input signal of ±200 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 monolithic air core transformer 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 AD7401
is offered in a 16-lead SOIC and has an operating temperature
range of 40°C to +105°C.
An internal clock version, AD7400, is also available.
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329.
FUNCTIONAL BLOCK DIAGRAM
VIN+
VDD1
VDD2
VIN–
Σ- ADC
CONTROL LOGIC
AD7401
BUF
T/H
REF
WATCHDOG
GND1
GND2
MDAT
MCLKIN
DECODE
ENCODE
DECODE
ENCODE
UPDATE
WATCHDOG
UPDATE
05
85
1-
0
01
Figure 1.
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| AD7401YRWZ-REEL7 | 功能描述:IC MODULATOR SIGMA-DELTA 16SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)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(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| AD7402-8BRIZ | 功能描述:Modulator 16 bit 39K Serial 8-SOIC 制造商:analog devices inc. 系列:iCoupler? 包裝:管件 零件狀態(tài):有效 類型:調(diào)制器 分辨率（位）:16 b 采樣率（每秒）:39k 數(shù)據(jù)接口:串行 電壓源:單電源 電壓 - 電源:3 V ~ 5.5 V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.295"，7.50mm 寬） 供應(yīng)商器件封裝:8-SOIC 標(biāo)準(zhǔn)包裝:80 |
| AD7402-8BRIZ-RL | 功能描述:Modulator 16 bit 39K Serial 8-SOIC 制造商:analog devices inc. 系列:iCoupler? 包裝:帶卷（TR） 零件狀態(tài):有效 類型:調(diào)制器 分辨率（位）:16 b 采樣率（每秒）:39k 數(shù)據(jù)接口:串行 電壓源:單電源 電壓 - 電源:3 V ~ 5.5 V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.295"，7.50mm 寬） 供應(yīng)商器件封裝:8-SOIC 標(biāo)準(zhǔn)包裝:1,500 |
| AD7402-8BRIZ-RL7 | 功能描述:Modulator 16 bit 39K Serial 8-SOIC 制造商:analog devices inc. 系列:iCoupler? 包裝:剪切帶（CT） 零件狀態(tài):有效 類型:調(diào)制器 分辨率（位）:16 b 采樣率（每秒）:39k 數(shù)據(jù)接口:串行 電壓源:單電源 電壓 - 電源:3 V ~ 5.5 V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.295"，7.50mm 寬） 供應(yīng)商器件封裝:8-SOIC 標(biāo)準(zhǔn)包裝:1 |
| AD7403-8BRIZ | 功能描述:Isolated Module 16 bit Serial 8-SOIC 制造商:analog devices inc. 系列:iCoupler? 包裝:管件 零件狀態(tài):有效 類型:隔離模塊 分辨率（位）:16 b 采樣率（每秒）:- 數(shù)據(jù)接口:串行 電壓源:雙電源 電壓 - 電源:3 V ~ 5.5 V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.295"，7.50mm 寬） 供應(yīng)商器件封裝:8-SOIC 標(biāo)準(zhǔn)包裝:80 |
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