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AMC1203DUBRG4 PDF预览

AMC1203DUBRG4

更新时间： 2024-11-04 15:44:55
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
26页 755K
描述
SPECIALTY ANALOG CIRCUIT, PDSO8, GREEN, PLASTIC, SOP-8

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AMC1203DUBRG4 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：GREEN, PLASTIC, SOP-8针数：8
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.57Is Samacsys：N
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：9.5 mm
湿度敏感等级：3功能数量：1
端子数量：8最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：GWDIP8,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：4.85 mm
子类别：Other Analog ICs最大供电电流 (Isup)：12 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：6.57 mm
Base Number Matches：1

AMC1203DUBRG4 数据手册

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AMC1203  
www.ti.com ............................................................................................................................................... SBAS427A–FEBRUARY 2008–REVISED MARCH 2009  
1-Bit, 10MHz, 2nd-Order, Isolated Delta-Sigma Modulator  
1
FEATURES  
DESCRIPTION  
2
•
16-Bit Resolution  
The AMC1203 is a 1-bit, 10MHz, isolated delta-sigma  
(ΔΣ) modulator with an output buffer separated from  
the input interface circuitry by a silicon dioxide (SiO2)  
isolation barrier. This barrier provides galvanic  
isolation of up to 4000VPEAK. Used in conjunction with  
isolated power supplies, these devices prevent noise  
currents on a data bus or other circuits from entering  
the local ground and interfering with or damaging  
sensitive circuitry.  
•
•
•
•
•
•
SNR: 80.5dB min  
THD: –88dB max (AMC1203B)  
±280mV Input Range with +5V Supply  
Internal 2.5V Reference Voltage: 1% Accuracy  
Gain Error: ±1% (AMC1203B)  
UL1577, IEC60747-5-2 (VDE0884, Rev. 2), and  
IEC61010-1 Approved  
The AMC1203 modulator operates from a +5V supply  
with a dynamic range of 95dB. The differential inputs  
are ideal for direct connection to shunt resistors or  
other low-level signal sources. With the appropriate  
digital filter and modulator rate, the device can be  
used to achieve 16-bit analog-to-digital (A/D)  
conversion with no missing codes. An effective  
resolution of 14 bits and an SNR of 85dB (typical)  
can be maintained with a sinc3 filter with a decimation  
ratio of 256.  
–
Isolation: 4000VPEAK,  
Working Voltage: 560V  
–
Transient Immunity: 15kV/µs  
•
•
Typical 25-Year Life at Rated Working Voltage  
(see Application Report SLLA197)  
Operating Temperature Range:  
–40°C to +105°C  
APPLICATIONS  
The modulator output is translated to a balanced  
signal and then transferred by the capacitive isolation  
barrier. Across the isolation barrier, a differential  
comparator receives the logic transition information,  
and then sets or resets a flip-flop and the output  
circuit accordingly.  
•
Shunt Based Current Sensing in:  
–
–
–
–
Motor Control  
Uninterruptible Power Supplies  
Power Inverters  
Industrial Process Control  
The AMC1203 is available in an SO-8 gull-wing  
package. SO-8 and SO-16 packages are planned for  
release in 2009. The AMC1203 is characterized for  
operation over the ambient temperature range of  
–40°C to +105°C.  
Isolation Barrier  
+
VIN+  
-
2nd-Order  
Output  
MDAT  
Buffer  
VREF  
DS Modulator  
+
VIN-  
-
POR  
BIAS  
POR  
+
Buffer  
20MHz  
RC  
-
Output  
Buffer  
VREF  
MCLK  
Oscillator  
2.5V  
+
VREF  
-
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008–2009, Texas Instruments Incorporated  
 
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