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Data sheet
THS4567
- Gain Bandwidth Product (GBWP): 220 MHz
- Slew Rate: 500 V/µs
- Bandwidth: 42 MHz (G = 10 V/V)
- Voltage Noise: 4.2 nV/√ Hz
- Supply Current (IQ): 2 mA
- IQ : 28 µA (Shutdown)
- Rail-to-Rail Output (RRO)
- High Impedance CMOS Inputs
- Independent Input and Output Common-Mode Control
- Disable Input Common-Mode Loop to Use as a Standard Fully Differential Amplifier (FDA)
- Single-Supply Range: 3.3 V to 5.5 V
- Split-Supply Range: ±1.65 V to ±2.75 V
- Operating Temperature Range: -40°C to 125°C
The THS4567 device is a novel fully-differential amplifier (FDA) that includes independent input common-mode (VICM) and output-common mode (VOCM) control. Standard FDAs only possess output common-mode control. The THS4567 is a decompensated amplifier with a minimum stable gain of 10 V/V.
The THS4567 operates as a fully differential transimpedance amplifier (TIA) and analog-to-digital converter (ADC) driver in a single integrated stage.
The VICM loop decouples the reverse bias across the photodiode(PD) from the amplifiers input and output swing compliance ranges thereby allowing the designer to maximize the PD reverse bias and minimize the PD capacitance. The VICM loop can be disabled which then allows the THS4567 to operate as a standard FDA.
The VOCM loop sets the differential output common-mode voltage and is typically set at the subsequent ADC stage common-mode reference voltage.
Technical documentation
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View all 3 | Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | THS4567 220 MHz, High Input Impedance, Fully Differential Amplifier with Independent Input and Output Common-Mode Control datasheet | PDF | HTML | 29 Oct 2020 |
| Product overview | High Speed Amplifiers for Motor Encoders and Position Sensing | PDF | HTML | 11 Apr 2025 | |
| Application note | Noise Analysis for High Speed Op Amps (Rev. A) | 17 Jan 2005 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
RUN-FDA-4567-EVM — Fully differential amplifier w/ input common mode control & RUN (VQFN-16) package evaluation module
The RUN-FDA-4567-EVM is an unassembled evaluation module (EVM) for fully differential amplifiers with input common mode control, such as, the THS4567 in the RUN (VQFN-16) package. This EVM is designed to quickly and easily demonstrate the functionality and versatility of the amplifier. The EVM is (...)
Simulation model
THS4567 TINA-TI Reference Design Circuit
SBOMBJ5.TSC (1388 KB) - TINA-TI Reference Design
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
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| WQFN (RUN) | 10 | Ultra Librarian |
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