Single 3 MHz, micropower RRO amplifier
Product details
Parameters
Package | Pins | Size
Features
- Specified 3-V and 5-V Performance
- High Unity Gain Bandwidth 3 MHz
- Supply Current (Per Amplifier) 37 µA
- CMRR 93 dB
- PSRR 90 dB
- Slew Rate 1 V/µs
- Output Swing With 100-kΩ Load 70 mV From Rail
- Total Harmonic Distortion: 0.003% at 1 kHz, 2 kΩ
- Temperature Range: –40°C to 125°C
Description
The LMV55x are high-performance, low-power operational amplifiers implemented with TI’s advanced VIP50 process. They feature 3 MHz of bandwidth while consuming only 37 µA of current per amplifier, which is an exceptional bandwidth to power ratio in this op amp class. These ultra-low power amplifiers are unity gain stable and provide an excellent solution for ultra-low power applications requiring a wide bandwidth.
The LMV55x have a rail-to-rail output stage and an input common mode range that extends below ground.
The LMV55x have an operating supply voltage range from 2.7 V to 5.5 V. These amplifiers can operate over a wide temperature range (–40°C to 125°C), making them a great choice for automotive applications, sensor applications as well as portable instrumentation applications. The LMV551 is offered in the ultra tiny 5-Pin SC70 and 5-Pin SOT-23 package. The LMV552 is offered in an 8-Pin VSSOP package. The LMV554 is offered in the 14-Pin TSSOP.
Technical documentation
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View all 8 | Type | Title | Date | |
|---|---|---|---|
| * | Data sheet | LMV55x 3-MHz, Micropower RRO Amplifiers datasheet (Rev. H) | Feb. 09, 2016 |
| Technical article | What is an op amp? | Jan. 21, 2020 | |
| Technical article | How to lay out a PCB for high-performance, low-side current-sensing designs | Feb. 06, 2018 | |
| Technical article | Low-side current sensing for high-performance cost-sensitive applications | Jan. 22, 2018 | |
| Technical article | Voltage and current sensing in HEV/EV applications | Nov. 22, 2017 | |
| E-book | The Signal e-book: A compendium of blog posts on op amp design topics | Mar. 28, 2017 | |
| User guide | 551012875, 551012922 Universal Op Amp Evaluation Boards (SOT-23 and SC-70) (Rev. C) | May 01, 2013 | |
| User guide | AN-1662 LMV551 Evaluation Board (Rev. A) | Apr. 26, 2013 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
551012922-001
Description
Texas Instrument offers this blank universal Evaluation Board to help you evaluate the performance of any low voltage, low power operational amplifier that is offered in the SC-70 package. Resistors, capacitors, or any other components can be easily mounted on this board. These components can be (...)
Features
- Universal for all low voltage, low power op amps.
- Dual sided layout for different pin-outs.
- Accommodates components of any of these sizes:
1206
0805
0603 - Quick and easy evaluation.
DIP-ADAPTER-EVM
Description
Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.
The (...)
Features
- Simplifies prototyping of SMT IC’s
- Supports 6 common package types
- Low Cost
Description
The DIYAMP-EVM is a unique evaluation module (EVM) family that provides engineers and do it yourselfers (DIYers) with real-world amplifier circuits, enabling you to quickly evaluate design concepts and verify simulations. It is available in three industry-standard packages (SC70, SOT23, SOIC) and 12 (...)
Features
- 3 packages to choose from: SC70-5, SOT23-5 and SOIC-8
- 12 circuit configurations to choose from: Noninverting, Inverting, Active Filters, Difference Amp, Comparator and more!
- Dual and single supply configurations
- PCB designed for High performance: Optimized for each function
- Multiple interface options (...)
Design tools & simulation
SNOM060.ZIP (2 KB) - PSpice Model
PSPICE-FOR-TI — 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 (...)
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
TINA-TI — 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 (...)
ANALOG-ENGINEER-CALC — The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
Features
- Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
- Noise calculations
- Common unit translation
- Solves common amplifier circuit design problems
- Gain selections using standard resistors
- Filter configurations
- Total noise for common amplifier configurations
- (...)
CIRCUIT060013 — This design inverts the input signal, VIN, and applies a signal gain of 1000 V/V or 60 dB. The inverting amplifier with T-feedback network can be used to obtain a high gain without a small value for R4 or very large values for the feedback resistors.
Features
- Dual +/- 5-V supply
- Input: +/- 2.5 mV
- Output: +/- 2.5 V
- Bandwidth: 5 kHz
- Gain: 1000 V/V
CIRCUIT060015 — This circuit combines an inverting and non-inverting amplifier to make a reference voltage adjustable from the negative of the input voltage up to the input voltage. Gain can be added to increase the maximum negative reference level.
Features
- Dual +/- 15-V supply
- Input: 10 V
- Output: 0 V to 10 V
Reference designs
TIDA-00498 — THe TIDA-00498 reference design features signal processing front-end and self-power block for electronic trip unit (ETU) used in circuit breakers. A FRAM based micro-controller is used for processing current inputs from signal conditioning amplifiers for 3-phase, neutral and ground current (...)
Design files
-
download TIDA-00498 BOM.pdf (257KB) -
download TIDA-00498 Assembly Drawing.pdf (369KB) -
download TIDA-00498 Fabrication Drawing.pdf (430KB) -
download TIDA-00498 Layer Plots.zip (963KB) -
download TIDA-00498 CAD Files.zip (5457KB) -
download TIDA-00498 Gerber.zip (715KB)
TIDA-00809 — The TIDA-00809 TI design showcases a cost optimized architecture that improves resolution of a binary input module. A microcontroller unit (MCU) is shared between two input channels (group isolation) to minimize the cost per channel. Wide input range is covered using an amplifier with gain and a MCU (...)
Design files
-
download TIDA-00809 BOM.zip (224KB) -
download TIDA-00809 Assembly Files.zip (291KB) -
download TIDA-00809 Layer Plots.zip (971KB) -
download TIDA-00809 Altium .zip (3252KB) -
download TIDA-00809 Gerber.zip (603KB)
CAD/CAE symbols
| Package | Pins | Download |
|---|---|---|
| SC70 (DCK) | 5 | View options |
| SOT-23 (DBV) | 5 | View options |
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
Support & training
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