AMC1306M05 Modulators Datasheet

AMC1306M05 Datasheet PDF, Equivalent


Part Number

AMC1306M05

Description

Reinforced Isolated Delta-Sigma Modulators

Manufacture

etcTI

Total Page 30 Pages
Datasheet
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AMC1306E05, AMC1306E25, AMC1306M05, AMC1306M25
SBAS734B – MARCH 2017 – REVISED JUNE 2018
AMC1306x Small, High-Precision,
Reinforced Isolated Delta-Sigma Modulators With High CMTI
1 Features
1 Pin-Compatible Family Optimized for Shunt-
Resistor-Based Current Measurements:
– ±50-mV or ±250-mV Input Voltage Ranges
– Manchester Coded or Uncoded Bitstream
Options
• Excellent DC Performance:
– Offset Error: ±50 µV or ±100 µV (max)
– Offset Drift: 1 µV/°C (max)
– Gain Error: ±0.2% (max)
– Gain Drift: ±40 ppm/°C (max)
• Transient Immunity: 100 kV/µs (typ)
• System-Level Diagnostic Features
• Safety-Related Certifications:
– 7000-VPEAK Reinforced Isolation per DIN V
VDE V 0884-11 (VDE V 0884-11): 2017-01
– 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: –40°C to +125°C
2 Applications
• Shunt-Resistor-Based Current Sensing and
Isolated Voltage Measurements in:
– Industrial Motor Drives
– Photovoltaic Inverters
– Uninterruptible Power Supplies
3 Description
The AMC1306 is a precision, delta-sigma (ΔΣ)
modulator with the output separated from the input
circuitry by a capacitive double isolation barrier that is
highly resistant to magnetic interference. This barrier
is certified to provide reinforced isolation of up to
7000 VPEAK according to the DIN V VDE V 0884-11
and UL1577 standards. Used in conjunction with
isolated power supplies, this isolated modulator
separates parts of the system that operate on
different common-mode voltage levels and protects
lower-voltage parts from damage.
The input of the AMC1306 is optimized for direct
connection to shunt resistors or other low voltage-
level signal sources. The unique low input voltage
range of the ±50-mV device allows significant
reduction of the power dissipation through the shunt
and supports excellent ac and dc performance. The
output bitstream of the AMC1306 is Manchester
coded (AMC1306Ex) or uncoded (AMC1306Mx),
depending on the derivate. By using an integrated
digital filter (such as those in the TMS320F2807x or
TMS320F2837x microcontroller families) to decimate
the bitstream, the device can achieve 16 bits of
resolution with a dynamic range of 85 dB at a data
rate of 78 kSPS.
The bitstream output of the Manchester coded
AMC1306Ex versions support single-wire data and
clock transfer without having to consider the setup
and hold time requirements of the receiving device.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
AMC1306x
SOIC (8)
5.85 mm × 7.50 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
HV+
Floating
Power Supply
Simplified Schematic
3.3 V or 5.0 V
AVDD
AMC1306Mx
DVDD
3.0 V, 3.3 V, or 5.0 V
To Load
RSHUNT
Optional
Optional
AGND
AINN
Optional
AINP
DGND
DOUT
CLKIN
TMS320F28x7x
SD-Dx
SD-Cx
PWMx
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.

AMC1306M05
AMC1306E05, AMC1306E25, AMC1306M05, AMC1306M25
SBAS734B – MARCH 2017 – REVISED JUNE 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 ESD Ratings.............................................................. 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Power Ratings........................................................... 4
7.6 Insulation Specifications............................................ 5
7.7 Safety-Related Certifications..................................... 6
7.8 Safety Limiting Values .............................................. 6
7.9 Electrical Characteristics: AMC1306x05 ................... 7
7.10 Electrical Characteristics: AMC1306x25 ................. 9
7.11 Switching Characteristics ...................................... 11
7.12 Insulation Characteristics Curves ......................... 12
7.13 Typical Characteristics .......................................... 13
8 Detailed Description ............................................ 20
8.1 Overview ................................................................. 20
8.2 Functional Block Diagram ....................................... 20
8.3 Feature Description................................................. 21
8.4 Device Functional Modes........................................ 25
9 Application and Implementation ........................ 26
9.1 Application Information............................................ 26
9.2 Typical Applications ................................................ 27
10 Power Supply Recommendations ..................... 32
11 Layout................................................................... 33
11.1 Layout Guidelines ................................................. 33
11.2 Layout Example .................................................... 33
12 Device and Documentation Support ................. 34
12.1 Device Support...................................................... 34
12.2 Documentation Support ........................................ 34
12.3 Related Links ........................................................ 34
12.4 Receiving Notification of Documentation Updates 34
12.5 Community Resources.......................................... 34
12.6 Trademarks ........................................................... 34
12.7 Electrostatic Discharge Caution ............................ 35
12.8 Glossary ................................................................ 35
13 Mechanical, Packaging, and Orderable
Information ........................................................... 35
4 Revision History
Changes from Revision A (July 2017) to Revision B
Page
• Changed Reinforced Isolation Capacitor Lifetime Projection figure .................................................................................... 12
Changes from Original (March 2017) to Revision A
Page
• Released AMC1306E05 and AMC1306M05 to production .................................................................................................... 1
• Added ±50 µV to first DC Performance sub-bullet to reflect the AMC1306x05 devices ........................................................ 1
• Changed standard deviation from 0884-10 to 0884-11 in first Safety-Related Certifications sub-bullet................................ 1
• Changed VPEAK from 8000 to 7000 and standard deviation from 0884-10 to 0884-11 in first paragraph of Description
section ................................................................................................................................................................................... 1
• Deleted Status column from Device Comparison Table......................................................................................................... 3
• Changed standard deviation from 0884-10 to 0884-11 in DIN V VDE V 0884-11 section of Insulation Specifications table 5
• Changed standard deviation from 0884-10 to 0884-11 in Safety-Related Certifications table .............................................. 6
• Changed prevent to minimize in condition statement of Safety Limiting Values table........................................................... 6
• Added Electrical Characteristics: AMC1306x05 table ........................................................................................................... 7
• Changed test conditions of Analog Inputs test conditions from (AINP – AINN) / 2 to AGND to (AINP + AINN) / 2 to
AGND to include all possible conditions................................................................................................................................. 9
• Changed IIB test condition from Inputs shorted to AGND to AINP = AINN = AGND, IIB = IIBP + IIBN ...................................... 9
• Added AINP = AINN = AGND to EO parameter test conditions ............................................................................................ 9
• Changed minus sign to plus or minus sign in typical specification of EG parameter ............................................................. 9
• Changed 10% to 90% to 90% to 10% in test conditions of tf parameter ............................................................................ 11
• Added AMC1306x05 devices to Typical Characteristics section ........................................................................................ 13
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Product Folder Links: AMC1306E05 AMC1306E25 AMC1306M05 AMC1306M25


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity AMC1306E05, AMC1306E25, AMC1306 M05, AMC1306M25 SBAS734B – MARCH 2017 – REVISED JUNE 2018 AMC1306x Small, High-Precision, Reinforced Isolated Del ta-Sigma Modulators With High CMTI 1 F eatures •1 Pin-Compatible Family Opti mized for ShuntResistor-Based Current M easurements: – ±50-mV or ±250-mV In put Voltage Ranges – Manchester Coded or Uncoded Bitstream Options • Excel lent DC Performance: – Offset Error: ±50 µV or ±100 µV (max) – Offset Drift: 1 µV/°C (max) – Gain Error: ±0.2% (max) – Gain Drift: ±40 ppm/ C (max) • Transient Immunity: 100 kV /µs (typ) • System-Level Diagnostic Features • Safety-Related Certificati ons: – 7000-VPEAK Reinforced Isolatio n per DIN V VDE V 0884-11 (VDE V 0884-1 1): 2017-01 – 5000-VRMS Isolation for 1 Minute per UL1577 – CAN/CSA No. 5A -Component Acceptance Service Notice, I EC 60950-1, and IEC 60065 End Equipment Standards • Fully Specified Over the Extended Industrial Temperatur.
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