SCDS438B
January 2021 – July 2024
TMUX7219-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Thermal Information
5.4
Recommended Operating Conditions
5.5
Source or Drain Continuous Current
5.6
±15 V Dual Supply: Electrical Characteristics
5.7
±15 V Dual Supply: Switching Characteristics
5.8
±20 V Dual Supply: Electrical Characteristics
5.9
±20 V Dual Supply: Switching Characteristics
5.10
44 V Single Supply: Electrical Characteristics
5.11
44 V Single Supply: Switching Characteristics
5.12
12 V Single Supply: Electrical Characteristics
5.13
12 V Single Supply: Switching Characteristics
5.14
Typical Characteristics
6
Parameter Measurement Information
6.1
On-Resistance
6.2
Off-Leakage Current
6.3
On-Leakage Current
6.4
Transition Time
6.5
tON(EN) and tOFF(EN)
6.6
Break-Before-Make
6.7
tON (VDD) Time
6.8
Propagation Delay
6.9
Charge Injection
6.10
Off Isolation
6.11
Crosstalk
6.12
Bandwidth
6.13
THD + Noise
6.14
Power Supply Rejection Ratio (PSRR)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Bidirectional Operation
7.3.2
Rail-to-Rail Operation
7.3.3
1.8 V Logic Compatible Inputs
7.3.4
Integrated Pull-Up and Pull-Down Resistor on Logic Pins
7.3.5
Fail-Safe Logic
7.3.6
Latch-Up Immune
7.3.7
Ultra-Low Charge Injection
7.4
Device Functional Modes
7.5
Truth Tables
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Data Acquisition Calibration
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scds438b_oa
scds438b_pm
1
Features
AEC-Q100 qualified for automotive applications
Device temperature grade 1: –40°C to 125°C ambient operating temperature
Functional safety-capable
Documentation avaialable to aid functional safety system design
Latch-up immune
Dual supply range: ±4.5V to ±22V
Single supply range: 4.5V to 44V
Low on-resistance: 2.1Ω
Low charge injection: −10pC
High current support: 330mA (maximum)
1.8V logic compatible
Fail-safe logic
Rail-to-rail operation
Bidirectional signal path
Break-before-make switching