SBAS655F
September 2014 – January 2020
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Power Ratings
7.6
Insulation Specifications
7.7
Safety-Related Certifications
7.8
Safety Limiting Values
7.9
Electrical Characteristics: AMC1304x05
7.10
Electrical Characteristics: AMC1304x25
7.11
Switching Characteristics
7.12
Insulation Characteristics Curves
7.13
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Analog Input
8.3.2
Modulator
8.3.3
Digital Output
8.4
Device Functional Modes
8.4.1
Fail-Safe Output
8.4.2
Output Behavior in Case of a Full-Scale Input
9
Application and Implementation
9.1
Application Information
9.1.1
Digital Filter Usage
9.2
Typical Applications
9.2.1
Frequency Inverter Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
Isolated Voltage Sensing
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curve
9.2.3
What To Do and What Not To Do
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
Device and Documentation Support
12.1
Device Support
12.1.1
Device Nomenclature
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Related Links
12.4
Receiving Notification of Documentation Updates
12.5
Community Resources
12.6
Trademarks
12.7
Electrostatic Discharge Caution
12.8
Glossary
13
Mechanical, Packaging, and Orderable Information
7.13
Typical Characteristics
At LDOIN = 15.0 V, DVDD = 3.3 V, AINP = –50 mV to 50 mV (AMC1304x05) or –250 mV to 250 mV (AMC1304x25), AINN
=
0
V, f
CLKIN
= 20 MHz, and sinc
3
filter with OSR = 256, unless otherwise noted.
Figure 6.
Input Current vs Input Common-Mode Voltage
Figure 8.
Integral Nonlinearity vs Input Signal Amplitude
AMC1304x25
Figure 10.
Offset Error vs LDO Input Supply Voltage
AMC1304x25
Figure 12.
Offset Error vs Temperature
Figure 14.
Offset Error vs Clock Frequency
Figure 16.
Gain Error vs Temperature
Figure 18.
Power-Supply Rejection Ratio vs
Ripple Frequency
Figure 20.
Signal-to-Noise Ratio and Signal-to-Noise + Distortion vs Temperature
Figure 22.
Signal-to-Noise Ratio and Signal-to-Noise + Distortion vs Input Signal Frequency
AMC1304x05
Figure 24.
Signal-to-Noise Ratio and Signal-to-Noise + Distortion vs Input Signal Amplitude
Figure 26.
Total Harmonic Distortion vs Temperature
Figure 28.
Total Harmonic Distortion vs
Input Signal Frequency
AMC1304x05
Figure 30.
Total Harmonic Distortion vs
Input Signal Amplitude
Figure 32.
Spurious-Free Dynamic Range vs Temperature
Figure 34.
Spurious-Free Dynamic Range vs
Input Signal Frequency
AMC1304x05
Figure 36.
Spurious-Free Dynamic Range vs
Input Signal Amplitude
AMC1304x05, 4096-point FFT, V
IN
= 100 mV
PP
Figure 38.
Frequency Spectrum with 5-kHz Input Signal
AMC1304x25, 4096-point FFT, V
IN
= 500 mV
PP
Figure 40.
Frequency Spectrum with 5-kHz Input Signal
Figure 42.
LDO Input Supply Current vs Temperature
Figure 44.
Controller-Side Supply Current vs
Controller-Side Supply Voltage (3.3 V, min)
Figure 46.
Controller-Side Supply Current vs Temperature
Figure 7.
Common-Mode Rejection Ratio vs
Input Signal Frequency
Figure 9.
Integral Nonlinearity vs Temperature
AMC1304x05
Figure 11.
Offset Error vs LDO Input Supply Voltage
AMC1304x05
Figure 13.
Offset Error vs Temperature
Figure 15.
Gain Error vs LDO Input Supply Voltage
Figure 17.
Gain Error vs Clock Frequency
Figure 19.
Signal-to-Noise Ratio and Signal-to-Noise + Distortion vs LDO Input Supply Voltage
Figure 21.
Signal-to-Noise Ratio and Signal-to-Noise + Distortion vs Clock Frequency
AMC1304x25
Figure 23.
SNR and SINAD vs Input Signal Amplitude
Figure 25.
Total Harmonic Distortion vs
LDO Input Supply Voltage
Figure 27.
Total Harmonic Distortion vs Clock Frequency
AMC1304x25
Figure 29.
Total Harmonic Distortion vs
Input Signal Amplitude
Figure 31.
Spurious-Free Dynamic Range vs
LDO Input Supply Voltage
Figure 33.
Spurious-Free Dynamic Range vs
Clock Frequency
AMC1304x25
Figure 35.
Spurious-Free Dynamic Range vs
Input Signal Amplitude
AMC1304x05, 4096-point FFT, V
IN
= 100 mV
PP
Figure 37.
Frequency Spectrum with 1-kHz Input Signal
AMC1304x25, 4096-point FFT, V
IN
= 500 mV
PP
Figure 39.
Frequency Spectrum with 1-kHz Input Signal
Figure 41.
LDO Input Supply Current vs
LDO Input Supply Voltage
Figure 43.
LDO Input Supply Current vs Clock Frequency
Figure 45.
Controller-Side Supply Current vs
Controller-Side Supply Voltage (5 V, min)
Figure 47.
Controller-Side Supply Current vs
Clock Frequency
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