SCDS400A
March 2022 – November 2022
TMUX7348F
,
TMUX7349F
PRODMIX
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Thermal Information
7.4
Recommended Operating Conditions
7.5
Electrical Characteristics (Global)
7.6
±15 V Dual Supply: Electrical Characteristics
7.7
±20 V Dual Supply: Electrical Characteristics
7.8
12 V Single Supply: Electrical Characteristics
7.9
36 V Single Supply: Electrical Characteristics
7.10
Typical Characteristics
8
Parameter Measurement Information
8.1
On-Resistance
8.2
Off-Leakage Current
8.3
On-Leakage Current
8.4
Input and Output Leakage Current Under Overvoltage Fault
8.5
Break-Before-Make Delay
8.6
Enable Delay Time
8.7
Transition Time
8.8
Fault Response Time
8.9
Fault Recovery Time
8.10
Fault Flag Response Time
8.11
Fault Flag Recovery Time
8.12
Charge Injection
8.13
Off Isolation
8.14
Crosstalk
8.15
Bandwidth
8.16
THD + Noise
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Flat ON- Resistance
9.3.2
Protection Features
9.3.2.1
Input Voltage Tolerance
9.3.2.2
Powered-Off Protection
9.3.2.3
Fail-Safe Logic
9.3.2.4
Overvoltage Protection and Detection
9.3.2.5
Adjacent Channel Operation During Fault
9.3.2.6
ESD Protection
9.3.2.7
Latch-Up Immunity
9.3.2.8
EMC Protection
9.3.3
Overvoltage Fault Flags
9.3.4
Bidirectional and Rail-to-Rail Operation
9.3.5
1.8 V Logic Compatible Inputs
9.3.6
Integrated Pull-Down Resistor on Logic Pins
9.4
Device Functional Modes
9.4.1
Normal Mode
9.4.2
Fault Mode
9.4.3
Truth Tables
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTJ|20
MPQF156F
Thermal pad, mechanical data (Package|Pins)
RTJ|20
QFND016S
Orderable Information
scds400a_oa
scds400a_pm
1
Features
Wide supply range:
Dual supply: ±5 V to ±22 V
Single supply: 8 V to 44 V
Integrated fault protection:
Overvoltage protection, source to supplies or source to drain: ±85 V
Overvoltage protection: ±60 V
Power-off protection: ±60 V
Adjustable overvoltage triggering thresholds
V
FP
: 3 V to V
DD
, V
FN
: 0 V to V
SS
Interrupt flags to indicate overall and specific fault channel information
Non-fault channels continue to operate with low leakage currents
Output clamped to the fault supply in overvoltage condition
Latch-up immunity by device construction
Logic capable: 1.8-V
Fail-safe logic: up to 44 V independent of supply
Break-before-make switching
Industry-standard TSSOP and smaller WQFN package