AMC1301S Datasheet: Reinforced Isolated Amplifier





AMC1301S Reinforced Isolated Amplifier Datasheet

Part Number AMC1301S
Description Reinforced Isolated Amplifier
Manufacture etcTI
Total Page 30 Pages
PDF Download Download AMC1301S Datasheet PDF

Features: Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity Reference Design AMC1301, AMC1 301S SBAS667E – APRIL 2016 – REVISE D MARCH 2018 AMC1301 Precision, ±250-m V Input, 3-µs Delay, Reinforced Isolat ed Amplifier 1 Features •1 ±250-mV Input Voltage Range Optimized for Curre nt 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 • Ver y Low Nonlinearity and Drift: 0.03%, 1 ppm/°C • 3.3-V Operation on High-Sid e and Low-Side • System-Level Diagnos tic Features • Safety-Related Certifi cations: – 7000-VPK Reinforced Isolat ion per DIN V VDE V 0884-10 (VDE V 0884 -10): 2006-12 – 5000-VRMS Isolation f or 1 Minute per UL1577 – CAN/CSA No. 5A-Component Acceptance Service Notice, IEC 60950-1, and IEC 60065 End Equipme nt Standards • Fully Specified Over t he Extended Industrial Temperature Range 2 Applications • Shunt-Resistor-Based Current Sensing In: – Moto.

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Product
Folder
Order
Now
Technical
Documents
Tools &
Software
Support &
Community
Reference
Design
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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