Calculation tool
Data sheet
THS4531
- Ultra Low Power:
- Voltage: 2.5 V to 5.5 V
- Current: 250 µA
- Power-Down Mode: 0.5 µA (typical)
- Fully-Differential Architecture
- Bandwidth: 36 MHz
- Slew Rate: 200 V/µs
- THD: –120 dBc at 1 kHz (1 VRMS, RL= 2 kΩ)
- Input Voltage Noise: 10 nV/√Hz (f = 1 kHz)
- High DC Accuracy:
- VOS Drift: ±4 µV/˚C (–40°C to +125°C)
- AOL: 114 dB
- Rail-to-Rail Output (RRO)
- Negative Rail Input (NRI)
- Output Common-Mode Control
The THS4531 is a low-power, fully-differential op amp with input common-mode range below the negative rail and rail-to-rail output. The device is designed for low-power data acquisition systems and high density applications where power consumption and dissipation is critical.
The device features accurate output common-mode control that allows for dc coupling when driving analog-to-digital converters (ADCs). This control, coupled with the input common-mode range below the negative rail and rail-to-rail output, allows for easy interface from single-ended ground-referenced signal sources to successive-approximation registers (SARs), and delta-sigma (ΔΣ) ADCs using only single-supply 2.5 V to 5 V power. The THS4531 is also a valuable tool for general-purpose, low-power differential signal conditioning applications.
The THS4531 is characterized for operation over the extended industrial temperature range from –40°C to +125°C. The following package options are available:
Technical documentation
No results found. Please clear your search and try again.
View all 12 Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
THS4531DGKEVM — THS4531 Evaluation Module in DGK package
The THS4531DGKEVM is designed to quickly and easily demonstrate the functionality and versatility of the amplifier. The EVM is ready to connect to power, signal source, and test instruments through the use of on-board connectors. The default amplifier configuration is single-ended input, (...)
User guide: PDF
Simulation tool
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool
TINA-TI — SPICE-based analog simulation program
TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
Reference designs
TIPD117 — Dual-channel data acquisition reference design for optical encoders, 12 bits, 1 MSPS
This TI Precision Verified Design provides the theory, component selection, simulation, PCB design, and measurement details for a 12-bit 1-MSPS single supply dual channel simultaneous data acquisition system. This circuit achieves 73 dB SINAD for a 4.5 V differential signal at 2 KHz input (...)
Reference designs
TIDA-00201 — Differential Signal Conditioning Circuit for Current and Voltage Measurement Using Fluxgate Sensors
This design provides a 4-channel signal conditioning solution for differential ADCs integrated into a microcontroller measuring motor current using fluxgate sensors. Also provided is an alternative measurement circuit with external differential SAR ADCs as well as circuits for high-speed (...)
Reference designs
TIDA-01012 — Wireless IoT, Bluetooth® Low Energy, 4½ Digit, 100kHz True RMS Digital Multimeter
Many products are now becoming connected through the Internet of Things (IoT), including test equipment such as digital multimeters (DMM). Enabled by Texas Instruments’ SimpleLink™ ultra-low power wireless microcontroller (MCU) platform, the TIDA-01012 reference design (...)
Reference designs
TIDA-01014 — Enhanced Accuracy Battery Fuel Gauge Reference Design for Low Power Industrial IoT Field Metering
The Internet of Things (IoT) revolution is efficiently connecting applications and instruments, enabling battery powered, wide scale very low power sensor deployment. New technologies, such as TI’s advanced sensor and low power connectivity devices, are enabling these instruments to be (...)
Reference designs
TIDA-00499 — Transient and Digital Fault Recorder AFE Using Differential Amplifiers and HS ADC Reference Design
While Digital Fault Recorders (DFRs) can detect transients in 17/20 μs at 60/50 Hz, transient recorders capture disturbances that can peak and decay well within a microsecond. This reference design demonstrates the capturing of transient inputs at up to 1 MHz for DFR and 25 MHz for (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
| VSSOP (DGK) | 8 | Ultra Librarian |
| WQFN (RUN) | 10 | Ultra Librarian |
Ordering & quality
Information included:
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Information included:
- Fab location
- Assembly location
Support & training
TI E2E™ forums with technical support from TI engineers
Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.
If you have questions about quality, packaging or ordering TI products, see TI support.