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AD260BND-0 PDF预览

AD260BND-0

更新时间: 2024-02-15 12:06:22
品牌 Logo 应用领域
亚德诺 - ADI 变压器电力变压器驱动程序和接口接口集成电路
页数 文件大小 规格书
8页 167K
描述
High Speed, Logic Isolator with Power Transformer

AD260BND-0 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:QIP
包装说明:QIP,针数:22
Reach Compliance Code:unknown风险等级:5.65
接口集成电路类型:INTERFACE CIRCUITJESD-30 代码:R-PQIP-T22
湿度敏感等级:NOT SPECIFIED功能数量:1
端子数量:22最高工作温度:85 °C
最低工作温度:-25 °C封装主体材料:PLASTIC/EPOXY
封装代码:QIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:COMMERCIAL最大供电电压:5.75 V
最小供电电压:4 V标称供电电压:5 V
电源电压1-最大:5.75 V电源电压1-分钟:4 V
电源电压1-Nom:5 V表面贴装:NO
温度等级:OTHER端子面层:NOT SPECIFIED
端子形式:THROUGH-HOLE端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED

AD260BND-0 数据手册

 浏览型号AD260BND-0的Datasheet PDF文件第2页浏览型号AD260BND-0的Datasheet PDF文件第3页浏览型号AD260BND-0的Datasheet PDF文件第4页浏览型号AD260BND-0的Datasheet PDF文件第5页浏览型号AD260BND-0的Datasheet PDF文件第6页浏览型号AD260BND-0的Datasheet PDF文件第7页 
High Speed, Logic Isolator  
with Power Transformer  
a
AD260  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
IsoLogic™ Circuit Architecture  
Isolation Test Voltage: To 3.5 kV rms  
AD260  
LATCH  
TRISTATE
TRISTATE  
TRISTATE  
D
1
S0  
S1  
S2  
F0 18  
LINE 0  
LINE 1  
LINE 2  
LINE 3  
LINE 4  
Five Isolated Logic Lines: Available in Six I/O Configurations  
Logic Signal Bandwidth: 20 MHz (Min), 40 mbps (NRZ)  
Isolated Power Transformer: 37 V p-p, 1.5 W Max  
CMV Transient Immunity: 10 kV/s Min  
Waveform Edge Transmission Symmetry: ؎1 ns  
Field and System Output Enable/Three-State Functions  
Performance Rated Over –25؇C to +85؇C  
UL1950, IEC950, EN60950 Certification, Pending  
E
LATCH  
D
2
3
19  
20  
21  
F1  
F2  
F3  
E
LATCH  
D
E
LATCH  
D
4
S3  
S4  
TRISTATE  
TRISTATE  
E
APPLICATIONS  
LATCH  
D
22  
17  
F4  
5
6
PLC/DCS Analog Input and Output Cards  
Communications Bus Isolation  
General Data Acquisition Applications  
IGBT Motor Drive Controls  
E
ENABLE  
ENABLE  
+5Vdc  
FLD  
SYS  
+5Vdc  
+5Vdc  
High Speed Digital I/O Ports  
+5Vdc  
16  
15  
7
8
FLD  
SYS  
5Vdc RTN  
5Vdc RTN  
5V RTN  
5V RTN  
FLD  
SYS  
GENERAL DESCRIPTION  
17V p-p OUT  
CT OUT  
DRIVE  
+5V  
The AD260 is designed using Analog Devices new IsoLogic  
circuit architecture to isolate five digital control signals to/  
from a microcontroller and its related field I/O components. Six  
models allow all I/O combinations from five input lines to five  
output lines, including combinations in between. Every AD260  
effectively replaces up to five opto-isolators while also providing  
the 1.5 W transformer for a 3.5 kV isolated dc-dc power supply  
circuit.  
PWRA  
PWRCT  
PWRB  
14  
13  
12  
9
DRVA  
DRVCT  
DRVB  
FLD  
10  
11  
FLD  
DRIVE  
17V p-p OUT  
FLD  
FIELD  
SYSTEM  
the input. This guarantees the output is always valid 10 µs after  
a fault condition or after the power-up reset interval.  
The AD260 also has an integral center tap transformer for gen-  
erating isolated power. Typically driven by a 5 V push-pull drive  
at the primary, it will generate a 37 V p-p output capable of  
supplying up to 1.5 W. This can then be regulated to the de-  
sired voltage, including ±5 V dc for circuit components and  
24 V for a 20 mA loop supply when needed.  
Each line of the AD260 has a bandwidth of 20 MHz (min) with  
a propagation delay of only 14 ns, which allows for extremely  
fast data transmission. Output waveform symmetry is maintained  
to within ±1 ns of the input so the AD260 can be used to accu-  
rately isolate time-based PWM signals.  
All field or system output pins of the AD260 can be set to a high  
resistance three-state level by use of the two enable pins. A field  
output three-stated offers a convenient method of presetting  
logic levels at power-up by use of pull-up/down resistors. Sys-  
tem side outputs being three-stated allows for easy multiplexing  
of multiple AD260s.  
PRODUCT HIGHLIGHTS  
Six Isolated Logic Line I/O Configurations Available: The  
AD260 is available in six pin-compatible versions of I/O con-  
figurations to meet a wide variety of requirements.  
Wide Bandwidth with Minimal Edge Error: The AD260 with  
IsoLogic affords extremely fast isolation of logic signals due to its  
20 MHz bandwidth and 14 ns propagation delay. It maintains a  
waveform input-to-output edge transition error of typically less  
than ±1 ns (total) for positive vs. negative transition.  
The isolation barrier of the AD260 B Grade is 100% tested at  
3.5 kV rms (system to field). The barrier design also provides  
excellent common-mode transient immunity from 10 kV/µs  
common-mode voltage excursions of field side terminals relative  
to the system side, with no false output triggering on either side.  
3.5 kV rms Test Voltage Isolation Rating: The AD260  
B Grade is rated to operate at 1.25 kV rms and is 100% pro-  
duction tested at 3.5 kV rms, using a standard ADI test method.  
Each output is updated within nanoseconds by input logic tran-  
sitions, the AD260 also has a continuous output update feature  
that automatically updates each output based on the dc level of  
High Transient Immunity: The AD260 rejects common-  
mode transients slewing at up to 10 kV/µs without false trigger-  
ing or damage to the device.  
IsoLogic is a trademark of Analog Devices, Inc.  
(Continued on page 6)  
REV. 0  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, nor for any infringements of patents or other rights of third parties  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1998  

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