SBOS935B April 2020 – July 2020 TLV197-Q1 , TLV2197-Q1 , TLV4197-Q1
PRODUCTION DATA.
- 1 Features
- 2 Applications
- 3 Description
- 4 Revision History
- 5 Pin Configuration and Functions
-
6 Specifications
- 6.1 Absolute Maximum Ratings
- 6.2 ESD Ratings
- 6.3 Recommended Operating Conditions
- 6.4 Thermal Information: TLV197-Q1
- 6.5 Thermal Information: TLV2197-Q1
- 6.6 Thermal Information: TLV4197-Q1
- 6.7 Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V)
- 6.8 Electrical Characteristics: VS = ±2.25 V to ±4 V (VS = 4.5 V to 8 V)
- 6.9 Typical Characteristics
- 7 Detailed Description
- 8 Application and Implementation
- 9 Power Supply Recommendations
- 10Layout
- 11Device and Documentation Support
- 12Mechanical, Packaging, and Orderable Information
8.2.2 Slew-Rate Limit for Input Protection
In control systems for motors, abrupt changes in voltages or currents can cause mechanical damages. By controlling the slew rate of the command voltages into the drive circuits, the load voltages ramps up and down at a safe rate. For symmetrical slew-rate applications (positive slew rate equals negative slew rate), one additional op amp provides slew-rate control for a given analog gain stage. The unique input protection and high output current and slew rate of the TLVx197-Q1 make these devices an optimal amplifier to achieve slew-rate control for both dual- and single-supply systems.Figure 43 shows the TLVx197-Q1 in a slew-rate limit design.
Figure 43. Slew-Rate Limiter Uses One Op Amp | For step-by-step design procedure, circuit schematics, bill of materials, PCB files, simulation results, and test results, see TIPD140, Single Op-Amp Slew Rate Limiter Reference Design. |