AMC1303E0520 Modulators Datasheet

AMC1303E0520 Datasheet PDF, Equivalent


Part Number

AMC1303E0520

Description

Reinforced Isolated Delta-Sigma Modulators

Manufacture

etcTI

Total Page 30 Pages
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AMC1303E0520
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AMC1303E0510, AMC1303M0510, AMC1303E0520, AMC1303M0520
AMC1303E2510, AMC1303M2510, AMC1303E2520, AMC1303M2520
SBAS771B – JUNE 2017 – REVISED JUNE 2018
AMC1303x Small, High-Precision,
Reinforced Isolated Delta-Sigma Modulators With Internal Clock
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 Bistream
Options
– 10-MHz and 20-MHz Clock 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-VPK 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 Measurement in:
– Industrial Motor Drives
– Photovoltaic Inverters
– Uninterruptible and Isolated Power Supplies
– Power Factor Correction Circuits
3 Description
The AMC1303 (AMC1303x0510, AMC1303x0520,
AMC1303x2510, and AMC1303x2520) is a family of
precision, delta-sigma (ΔΣ) modulators 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
VPK 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 AMC1303 is optimized for direct
connection to shunt resistors or other low voltage-
level signal sources. The ±50-mV input voltage range
option allows significant reduction of the power
dissipation through the shunt. The output bit-stream
of the AMC1303 is synchronized to the internally
generated clock and is Manchester coded
(AMC1303Ex) or uncoded (AMC1303Mx). 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 an effective output data rate of 78 kSPS.
The bitstream output of the Manchester coded
AMC1303Ex versions supports 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)
AMC1303x
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
AMC1303Mx
DVDD
3.0 V, 3.3 V, or 5.0 V
RSHUNT
AGND
AINN
AINP
DGND
DOUT
CLKOUT
TMS320F28x7x
SD-Dx
SD-Cx
Note: no CLKOUT connection using AMC1303Ex,
pin 7 to be connected to DGND in this case
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.

AMC1303E0520
AMC1303E0510, AMC1303M0510, AMC1303E0520, AMC1303M0520
AMC1303E2510, AMC1303M2510, AMC1303E2520, AMC1303M2520
SBAS771B – JUNE 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: AMC1303x05x ................. 7
7.10 Electrical Characteristics: AMC1303x25x ............... 9
7.11 Switching Characteristics ...................................... 11
7.12 Insulation Characteristics Curves ........................ 12
7.13 Typical Characteristics .......................................... 13
8 Detailed Description ............................................ 19
8.1 Overview ................................................................. 19
8.2 Functional Block Diagram ....................................... 19
8.3 Feature Description................................................. 20
8.4 Device Functional Modes........................................ 24
9 Application and Implementation ........................ 25
9.1 Application Information............................................ 25
9.2 Typical Applications ................................................ 26
10 Power Supply Recommendations ..................... 31
11 Layout................................................................... 32
11.1 Layout Guidelines ................................................. 32
11.2 Layout Example .................................................... 32
12 Device and Documentation Support ................. 33
12.1 Device Support...................................................... 33
12.2 Documentation Support ........................................ 33
12.3 Related Links ........................................................ 33
12.4 Receiving Notification of Documentation Updates 33
12.5 Community Resources.......................................... 33
12.6 Trademarks ........................................................... 34
12.7 Electrostatic Discharge Caution ............................ 34
12.8 Glossary ................................................................ 34
13 Mechanical, Packaging, and Orderable
Information ........................................................... 34
4 Revision History
Changes from Revision A (July 2017) to Revision B
Page
• Changed Reinforced Isolation Capacitor Lifetime Projection figure .................................................................................... 12
Changes from Original (June 2017) to Revision A
Page
• Released AMC1303x05 devices to production ..................................................................................................................... 1
• Added Added ±50 μV to first DC Performance sub-bullet to reflect the AMC1303x05 devices ............................................ 1
• Changed prevent to minimize in condition statement of Safety Limiting Values table .......................................................... 6
• Added Electrical Characteristics: AMC1303x05x table ......................................................................................................... 7
• Added AMC13063x05 devices to Typical Characteristics section ...................................................................................... 13
2 Submit Documentation Feedback
Copyright © 2017–2018, Texas Instruments Incorporated
Product Folder Links: AMC1303E0510 AMC1303M0510 AMC1303E0520 AMC1303M0520 AMC1303E2510
AMC1303M2510 AMC1303E2520 AMC1303M2520


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity AMC1303E0510, AMC1303M0510, AMC 1303E0520, AMC1303M0520 AMC1303E2510, A MC1303M2510, AMC1303E2520, AMC1303M2520 SBAS771B – JUNE 2017 – REVISED JUN E 2018 AMC1303x Small, High-Precision, Reinforced Isolated Delta-Sigma Modulat ors With Internal Clock 1 Features • 1 Pin-Compatible Family Optimized for S huntResistor-Based Current Measurements : – ±50-mV or ±250-mV Input Voltage Ranges – Manchester Coded or Uncoded Bistream Options – 10-MHz and 20-MHz Clock Options • Excellent DC Perform ance: – Offset Error: ±50 µV or ±1 00 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 -VPK 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.
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