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Texas Instruments LMV774MTX/NOPB
- Part No.:
- LMV774MTX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LMV774MTX/NOPB.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:8,950
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Product details
Overview
LMV774MTX/NOPB from Texas Instruments is a quad, rail-to-rail output, low-noise precision operational amplifier optimized for 2.7V–5.5V single-supply operation. It delivers 3.5MHz gain-bandwidth product, 7.5nV/√Hz input voltage noise at 10kHz, 550µA per amplifier supply current, and 850µV max input offset voltage (LMV771-specified limit extended to LMV774), enabling high-accuracy signal conditioning in portable instrumentation and automotive sensor interfaces.
For engineers reviewing the LMV774MTX/NOPB datasheet, LMV774MTX/NOPB pinout, LMV774MTX/NOPB application, or LMV774MTX/NOPB equivalent, key selection criteria include guaranteed rail-to-rail output swing into 2kΩ loads (50mV from rails), −40°C to 125°C operating temperature range, low input bias current (100pA typ), and compatibility with precision transducer amplification, active filtering, and battery-powered data acquisition systems.
Technical Context
The LMV774MTX/NOPB implements a CMOS input stage with rail-to-rail output stage, supporting common-mode input voltage from ground to V+ − 0.9V and delivering 100dB large-signal voltage gain with 2kΩ load. Its 3.5MHz GBW and 1.4V/µs slew rate enable stable unity-gain buffer and closed-loop gain configurations up to 10× without phase margin degradation.
Designed for low-voltage precision analog front-ends, it maintains specified performance across 2.7V–5.5V supply range, with PSRR >76dB and CMRR >80dB over full temperature range. Input-referred voltage noise is 12.5nV/√Hz at 100Hz and 7.5nV/√Hz at 10kHz, making it suitable for high-resolution DC-coupled measurement paths where 1/f noise and broadband noise both impact system ENOB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7V to 5.5V - supports direct connection to Li-ion, 3.3V, and 5V rails without regulation |
| Gain-Bandwidth Product | 3.5MHz - enables stable unity-gain buffers and closed-loop gains up to 10× at ≥350kHz |
| Input Offset Voltage (max) | 1.2mV at −40°C to 125°C - ensures ≤1.2mV error in precision DC amplification chains |
| Input Voltage Noise | 7.5nV/√Hz at 10kHz - critical for low-distortion audio and medium-bandwidth sensor signal conditioning |
| Rail-to-Rail Output Swing | 50mV from rail into 2kΩ - preserves dynamic range in single-supply 3.3V systems with 3.2Vpp output capability |
| Supply Current per Amplifier | 550µA - allows four-channel operation at <2.2mA total, ideal for battery-constrained portable designs |
| Operating Temperature Range | −40°C to 125°C - qualified for under-hood automotive and industrial control environments |
Pinout & Package
TSSOP-14 package: 4.4mm × 5.0mm body, 0.65mm pitch, 14-pin surface-mount, thermally enhanced for continuous operation at 125°C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8, 12 | Inverting Input (−IN) | High-impedance CMOS input for each of four op-amp channels; accepts signals from 0V to V+ − 0.9V |
| 2, 6, 9, 13 | Non-inverting Input (+IN) | High-impedance CMOS input; common-mode range includes ground, enabling single-supply sensor interfacing |
| 3, 7, 10, 14 | Output (OUT) | Rail-to-rail output capable of sourcing/sinking ≥11mA; swings within 50mV of V+ or GND into 2kΩ |
| 4 | V− (GND) | Ground reference for all four amplifiers; must be low-impedance for noise immunity |
| 11 | V+ | Positive supply rail; decoupling capacitor required within 1cm for stability at full bandwidth |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing into 2kΩ | Enables full-scale utilization of 3.3V ADCs without level-shifting circuitry |
| Low input bias current (100pA typ) | Minimizes voltage error in high-impedance source applications like piezoelectric sensors |
| Guaranteed 2.7V and 5V specs | Eliminates need for separate characterization across common supply rails |
| Extended temperature range (−40°C to 125°C) | Supports automotive engine control units and industrial motor drives without derating |
| Low 1/f noise corner | 12.5nV/√Hz at 100Hz enables accurate DC-coupled measurements below 10Hz |
Applications
| Transducer Amplifier | Precision Current Sensing |
|---|---|
Use Scenario: Amplifying low-level mV-range outputs from strain gauges, thermopiles, or pressure sensors in handheld medical devices. IC Role / Device Role / Timing Role: Primary signal-conditioning amplifier in a 3.3V single-supply front-end, configured as non-inverting gain stage with matched resistor network. Use Value: 850µV max VOS and 7.5nV/√Hz noise ensure ≤0.1% gain error and sub-10µV RMS noise floor over 10Hz–1kHz bandwidth. | Use Scenario: Measuring bidirectional motor phase current via shunt resistor in 12V automotive ECUs. IC Role / Device Role / Timing Role: High-side current sense amplifier with external gain resistors, operating from 5V rail with VCM up to 4.1V. Use Value: Input common-mode range to V+ − 0.9V and 1.2mV max VOS over −40°C to 125°C enable ±1% current accuracy across full temperature range. |
| Data Acquisition Systems | Active Filters and Buffers |
Use Scenario: Front-end buffering and anti-aliasing filtering in 16-bit portable DAQ modules powered by Li-ion batteries. IC Role / Device Role / Timing Role: Unity-gain buffer driving SAR ADC input, followed by second-order active low-pass filter using same device. Use Value: 3.5MHz GBW and 1.4V/µs slew rate support 100ksps sampling with ≤0.5LSB settling error; 550µA per channel enables 4-channel simultaneous sampling at <2.2mA. | Use Scenario: Implementing 20kHz cutoff active filters in audio preamplifiers and vibration monitoring equipment. IC Role / Device Role / Timing Role: Dual-stage Sallen-Key topology using two LMV774MTX/NOPB sections per filter channel. Use Value: Low distortion (0.007% THD+N) and flat phase response up to 10kHz preserve signal integrity; rail-to-rail output avoids clipping on 3.3V supplies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333AIDR | Zero-drift architecture; 0.02µV/°C TCVOS vs. LMV774MTX/NOPB's −0.35µV/°C; higher 350µA supply current per amp | Better long-term DC stability in temperature-cycling environments; less suitable for ultra-low-power battery operation | Select when VOS drift dominates error budget over 85°C; avoid if <2.2mA total quiescent current is required |
| MCP6004-E/ST | Higher 1.6mV max VOS; 1MHz GBW; 100µA supply current; only rated to 125°C with reduced output drive | Lower cost for non-critical industrial sensing; insufficient bandwidth for >100kHz active filtering | Select for cost-sensitive, lower-precision applications where 3.5MHz GBW and 7.5nV/√Hz noise are not required |
Compared with OPA2333AIDR and MCP6004-E/ST, the LMV774MTX/NOPB uniquely balances low noise (7.5nV/√Hz), wide bandwidth (3.5MHz), and ultra-low power (550µA) across −40°C to 125°C - making it optimal for portable instrumentation requiring both precision and battery life.
Availability
LMV774MTX/NOPB is available at Aetrix Electronics and suitable for precision current sensing, transducer amplification, and active filtering applications requiring stable component supply across automotive, industrial, and portable electronics programs.
Supply support for LMV774MTX/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in precision op-amps and signal chain solutions.
The LMV774MTX/NOPB belongs to TI's LMV77x family of low-noise, low-offset, rail-to-rail output op-amps designed specifically for high-accuracy, low-voltage, miniature analog front-ends in automotive, industrial, and portable instrumentation.
FAQ
What is the maximum input offset voltage specification for LMV774MTX/NOPB over temperature?
The LMV774MTX/NOPB has a maximum input offset voltage of 1.2mV across the full operating temperature range of −40°C to 125°C, as guaranteed in the 5.0V DC Electrical Characteristics table. This value applies to the LMV774 variant and is distinct from the 0.85mV limit specified for the LMV771 single-channel version. The LMV774MTX/NOPB maintains this spec under 2.7V–5.5V supply conditions with RL = 2kΩ and VO = 0.2V to V+ − 0.2V.
Does LMV774MTX/NOPB support rail-to-rail input common-mode voltage range?
No, the LMV774MTX/NOPB does not support rail-to-rail input. Its input common-mode voltage range is specified as 0V to V+ − 0.9V for CMRR ≥50dB, meaning the upper limit is 0.9V below the positive supply rail. For example, at 3.3V supply, the maximum allowable input voltage is 2.4V. This limitation is due to its CMOS input stage architecture and must be accounted for in single-supply design layouts.
What is the thermal resistance (θJA) of the LMV774MTX/NOPB in its TSSOP-14 package?
The thermal resistance θJA for the LMV774MTX/NOPB in the 14-pin TSSOP package is 155°C/W, as documented in the Operating Ratings section of the SNOSA04F datasheet. This value assumes standard JEDEC 2-layer board conditions. Actual junction temperature rise can be calculated as TJ = TA + (PD × 155°C/W), where PD is the total power dissipation across all four amplifiers.
Can LMV774MTX/NOPB drive a 600Ω load while maintaining rail-to-rail output swing?
Yes, the LMV774MTX/NOPB can drive a 600Ω load with rail-to-rail output swing, but with reduced headroom: output swing is guaranteed to be within 100mV of each rail (V+ and GND) under those conditions. This is explicitly stated in the FEATURES section and confirmed in the 2.7V/5.0V DC Electrical Characteristics tables. For tighter headroom (e.g., 50mV), a 2kΩ load is required.
Is LMV774MTX/NOPB qualified for automotive applications?
The LMV774MTX/NOPB itself is not AEC-Q100 qualified; only the LMV772Q variant in the same family carries AEC-Q100 Grade 1 qualification. However, the LMV774MTX/NOPB shares the same −40°C to 125°C operating temperature range and robust construction, and is widely used in automotive subsystems such as cabin climate control and body electronics where full AEC-Q100 certification is not mandated. TI explicitly lists "Automotive" in the Applications section of the datasheet.
LMV774MTX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Differential, Rail-to-Rail
- Slew Rate:
- 1.4V/µs
- Gain Bandwidth Product:
- 3.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.23 pA
- Voltage - Input Offset:
- 250 µV
- Current - Supply:
- 600µA (x4 Channels)
- Current - Output / Channel:
- 75 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
LMV774MTX/NOPB FAQ
1.How can I place an order for LMV774MTX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV774MTX/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LMV774MTX/NOPB reliable?
The price and inventory of LMV774MTX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV774MTX/NOPB is usually 5 days.
3.What payment methods are accepted for LMV774MTX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV774MTX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV774MTX/NOPB?
LMV774MTX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV774MTX/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LMV774MTX/NOPB?
For technical support, including LMV774MTX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV774MTX/NOPB requirements.
6.How does Aetrix verify that LMV774MTX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV774MTX/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LMV774MTX/NOPB meets industry standards.
7.What is the process for return or replacement of LMV774MTX/NOPB?
All LMV774MTX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV774MTX/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LMV774MTX/NOPB part is unused and in its original packaging.
Return procedure for LMV774MTX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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