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AMC1311-Q1 PDF预览

AMC1311-Q1

更新时间: 2024-11-13 11:10:27
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
37页 1729K
描述
汽车类 2V 输入、精密电压检测增强型隔离式放大器

AMC1311-Q1 数据手册

 浏览型号AMC1311-Q1的Datasheet PDF文件第2页浏览型号AMC1311-Q1的Datasheet PDF文件第3页浏览型号AMC1311-Q1的Datasheet PDF文件第4页浏览型号AMC1311-Q1的Datasheet PDF文件第5页浏览型号AMC1311-Q1的Datasheet PDF文件第6页浏览型号AMC1311-Q1的Datasheet PDF文件第7页 
AMC1311-Q1  
SBAS897C – MARCH 2018 – REVISED JUNE 2022  
AMC1311x-Q1 Automotive, High-Impedance, 2-V Input, Reinforced Isolated Amplifiers  
1 Features  
3 Description  
AEC-Q100 qualified for automotive applications:  
Temperature grade 1: –40°C to +125°C, TA  
Functional Safety-Capable  
Documentation available to aid functional safety  
system design  
2-V, high-impedance input voltage range optimized  
for isolated voltage measurement  
Fixed gain: 1  
The AMC1311-Q1 is a precision, isolated amplifier  
with an output separated from the input circuitry by  
a capacitive isolation barrier that is highly resistant  
to magnetic interference. This barrier is certified to  
provide reinforced galvanic isolation of up to 5 kVRMS  
according to DIN EN IEC 60747-17 (VDE 0884-17)  
and UL1577 and supports a working voltage of up to  
1500 VRMS  
.
Low DC errors:  
– AMC1311-Q1:  
The isolation barrier separates parts of the system  
that operate on different common-mode voltage levels  
and protects the low-voltage side from voltages that  
can cause electrical damage or be harmful to an  
operator.  
Offset error: ±9.9 mV (maximum)  
Offset drift: ±20 µV/°C (typical)  
Gain error: ±1% (maximum)  
Gain drift: ±30 ppm/°C (typical)  
The high-impedance input of the AMC1311-Q1  
is optimized for connection to high-impedance  
resistive dividers or any other high-impedance voltage  
signal source. The excellent DC accuracy and  
low temperature drift support accurate, isolated  
voltage sensing and control in closed-loop systems.  
The integrated missing high-side supply voltage  
detection feature simplifies system-level design and  
diagnostics.  
– AMC1311B-Q1:  
Offset error: ±1.5 mV (maximum)  
Offset drift: ±10 µV/°C (maximum)  
Gain error: ±0.2% (maximum)  
Gain drift: ±40 ppm/°C (maximum)  
– Nonlinearity: 0.04% (maximum)  
3.3-V operation on high-side (AMC1311B-Q1)  
High CMTI: 100 kV/μs (AMC1311B-Q1)  
Missing high-side supply indication  
Safety-related certifications:  
– 7000-VPK reinforced isolation per DIN EN IEC  
60747-17 (VDE 0884-17)  
– 5000-VRMS isolation for 1 minute per UL1577  
The AMC1311-Q1 is offered with two performance  
grade options: AMC1311-Q1 and AMC1311B-Q1.  
Device Information(1)  
PART NUMBER  
AMC1311-Q1  
PACKAGE  
BODY SIZE (NOM)  
2 Applications  
SOIC (8)  
5.85 mm × 7.50 mm  
AMC1311B-Q1  
Isolated voltage sensing in:  
Traction inverters  
Onboard chargers  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
DC/DC converters  
VDC  
High-side supply  
(3.3 V or 5 V)  
Low-side supply  
(3.3 V or 5 V)  
R1  
R2  
AMC1311B-Q1  
VDD1  
VDD2  
OUTP  
IN  
SHTDN  
GND1  
0..2V  
RSNS  
VCMout  
2 V  
ADC  
OUTN  
GND2  
Simplified Schematic  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 

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