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AMC1301S Datasheet Preview

AMC1301S Datasheet

Reinforced Isolated Amplifier

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AMC1301, AMC1301S
SBAS667E – APRIL 2016 – REVISED MARCH 2018
AMC1301 Precision, ±250-mV Input, 3-µs Delay, Reinforced Isolated Amplifier
1 Features
1 ±250-mV Input Voltage Range Optimized for
Current Measurement Using Shunt Resistors
• Low Offset Error and Drift:
±200 µV at 25°C, ± 3 µV/°C
• Fixed Gain: 8.2
• Very Low Gain Error and Drift:
±0.3% at 25°C, ± 50 ppm/°C
• Very Low Nonlinearity and Drift:
0.03%, 1 ppm/°C
• 3.3-V Operation on High-Side and Low-Side
• System-Level Diagnostic Features
• Safety-Related Certifications:
– 7000-VPK Reinforced Isolation per
DIN V VDE V 0884-10 (VDE V 0884-10):
2006-12
– 5000-VRMS Isolation for 1 Minute per UL1577
– CAN/CSA No. 5A-Component Acceptance
Service Notice,
IEC 60950-1, and IEC 60065 End Equipment
Standards
• Fully Specified Over the Extended Industrial
Temperature Range
2 Applications
• Shunt-Resistor-Based Current Sensing In:
– Motor Drives
– Frequency Inverters
– Uninterruptible Power Supplies
• Isolated Voltage Sensing
3 Description
The AMC1301 device is a precision, isolated amplifier
with an output separated from the input circuitry by an
isolation barrier that is highly resistant to magnetic
interference. This barrier is certified to provide
reinforced galvanic isolation of up to 7 kVPEAK
according to VDE V 0884-10 and UL1577. Used in
conjunction with isolated power supplies, this device
prevents noise currents on a high common-mode
voltage line from entering the local ground and
interfering with or damaging sensitive circuitry.
The input of the AMC1301 is optimized for direct
connection to shunt resistors or other low voltage-
level signal sources. The excellent performance of
the device supports accurate current control resulting
in system-level power savings and, especially in
motor control applications, lower torque ripple. The
integrated common-mode overvoltage and missing
high-side supply voltage detection features of the
AMC1301 simplify system-level design and
diagnostics.
The AMC1301 is fully specified over the extended
industrial temperature range of –40°C to +125°C and
is available in a wide-body 8-pin SOIC (DWV)
package. The AMC1301S is specified over the
temperature range of –55°C to +125°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
AMC1301
SOIC (8)
5.85 mm × 7.50 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Floating
HV+ Power Supply
Simplified Schematic
To Load
RSHUNT
Gate
Driver
Gate
Driver
3.3 V or
5.0 V
VDD1
AMC1301
VDD2
GND1
GND2
VINN
VOUTP
VINP
VOUTN
3.3 V or 5.0 V
ADS7263
14-Bit ADC
HV-
1
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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AMC1301S Datasheet Preview

AMC1301S Datasheet

Reinforced Isolated Amplifier

No Preview Available !

AMC1301, AMC1301S
SBAS667E – APRIL 2016 – REVISED MARCH 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 4
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Conditions....................... 5
7.4 Thermal Information .................................................. 5
7.5 Power Ratings........................................................... 5
7.6 Insulation Specifications............................................ 6
7.7 Safety-Related Certifications..................................... 7
7.8 Safety Limiting Values .............................................. 7
7.9 Electrical Characteristics........................................... 7
7.10 Insulation Characteristics Curves .......................... 9
7.11 Typical Characteristics .......................................... 10
8 Parameter Measurement Information ................ 17
8.1 Timing Diagrams ..................................................... 17
9 Detailed Description ............................................ 18
9.1 Overview ................................................................. 18
9.2 Functional Block Diagram ....................................... 18
9.3 Feature Description................................................. 18
9.4 Device Functional Modes........................................ 19
10 Application and Implementation........................ 20
10.1 Application Information.......................................... 20
10.2 Typical Applications .............................................. 20
10.3 Do's and Don'ts .................................................... 24
11 Power Supply Recommendations ..................... 25
12 Layout................................................................... 26
12.1 Layout Guidelines ................................................. 26
12.2 Layout Example .................................................... 26
13 Device and Documentation Support ................. 27
13.1 Documentation Support ....................................... 27
13.2 Related Links ........................................................ 27
13.3 Receiving Notification of Documentation Updates 27
13.4 Community Resources.......................................... 27
13.5 Trademarks ........................................................... 27
13.6 Electrostatic Discharge Caution ............................ 27
13.7 Glossary ................................................................ 27
14 Mechanical, Packaging, and Orderable
Information ........................................................... 28
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision D (January 2017) to Revision E
Page
• Added AMC1301S device to document ................................................................................................................................ 1
• Added last sentence to Description section .......................................................................................................................... 1
• Added Device Comparison Table section .............................................................................................................................. 4
• Added AMC1301S row to TA parameter in Recommended Operating Conditions table ....................................................... 5
• Added AMC1301S row to Climatic category parameter of Insulation Specifications table ................................................... 6
• Added AMC1301S temperature range to conditions statement of Electrical Characteristics table ...................................... 7
• Added AMC1301S row to TCVOS parameter in Electrical Characteristics table..................................................................... 7
• Changed IIB parameter specification and conditions .............................................................................................................. 7
• Added AMC1301S row to TCEG parameter in Electrical Characteristics table ..................................................................... 8
• Changed all temperature plots in Typical Characteristics section to cover –55°C for the AMC1301S and added
respective footnote ............................................................................................................................................................... 10
• Changed Input Bias Current vs Common-Mode Input Voltage figure to align with new test condition................................ 11
• Changed Input Bias Current vs High-Side Supply Voltage figure to align with new test condition...................................... 11
• Changed Input Bias Current vs Temperature figure to align with new test condition .......................................................... 12
• Changed legend of Output Voltage vs Input Voltage figure, VOUTP is now red and VOUTN is now black .............................. 13
Changes from Revision C (September 2016) to Revision D
Page
• Changed VDD1 to VDD2 in test conditions of IDD2 and PDD2 parameters of Electrical Characteristics table ........................ 8
• Changed VDD2 to VDD1 in conditions of Gain Error Histogram figures ............................................................................. 12
2 Submit Documentation Feedback
Product Folder Links: AMC1301
Copyright © 2016–2018, Texas Instruments Incorporated


Part Number AMC1301S
Description Reinforced Isolated Amplifier
Maker etcTI
Total Page 30 Pages
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