SNOSD47C
december 2018 – july 2023
LDC5072-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Description (cont.)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Diagnostics
7.7
Switching Characteristics
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Supply Voltage
8.3.2
Excitation Signal
8.3.3
Signal Processing Block
8.3.3.1
Demodulation
8.3.3.2
Fixed Gain Control
8.3.3.3
Automatic Gain Control
8.3.4
Output Stage
8.3.5
Diagnostics
8.3.5.1
Undervoltage Diagnostics
8.3.5.2
Initialization Diagnostics
8.3.5.3
Normal State Diagnostics
8.3.5.4
Fault State Diagnostics
8.4
Device Functional Modes
8.4.1
IDLE State
8.4.2
DIAGNOSTICS State
8.4.3
NORMAL State
8.4.4
FAULT State
8.4.5
DISABLED State
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
5-V Supply Mode
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
VREG and VCC
9.2.1.2.2
Output Capacitors
9.2.1.2.3
AGC Mode
9.2.1.3
Application Curve
9.2.2
3.3-V Supply Mode
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
VREG and VCC
9.2.2.2.2
Output Capacitors
9.2.2.2.3
Fixed Gain Mode
9.2.3
Redundancy Mode
9.2.4
Single-Ended Mode
9.2.5
External Diagnostics Required for Loss of VCC or GND
10
Power Supply Recommendations
10.1
Mode 1: VCC = 5 V, VREG = 3.3 V
10.2
Mode 2: VCC = VREG = 3.3 V
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|16
MPDS361A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snosd47c_oa
snosd47c_pm
1
Features
AEC-Q100 qualified with the following results:
Device temperature grade 0: –40°C to +160°C ambient operating temperature
Integrated analog front-end IC for contact-less, inductive position sensors for absolute rotary position from 0° to 360°
Removes the need for magnets, lowering system cost
Supports operation in harsh environments; immune to stray magnetic fields, dirt, and contamination
High resolution and accuracy of ≤ 1 degree at rotational speeds up to 480,000 RPM
Differential signal paths with sine and cosine outputs supporting a wide dynamic input range
5-V and 3.3-V input supply operating modes
Integrated LC oscillator in the 2.4-MHz to 5-MHz band to excite the inductive sensor coil
Differential output drivers with high-voltage protection and large capacitive load capability
Automatic
and manual gain
control to maximize dynamic range of output drivers
Functional Safety-Compliant
Developed for functional safety applications
Documentation available to aid ISO 26262 system design
Systematic capability up to ASIL C(D)
Hardware capability up to ASIL C
Extensive IC, sensor input, output, and supply pin diagnostics
Reverse voltage and overvoltage protection on input supply and output pins from –15 V to 30 V
Supports redundant mode for functional safety