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Texas Instruments LMV774MTX
- Part No.:
- LMV774MTX
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LMV774MTX.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,478
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Product details
Overview
LMV774MTX from Texas Instruments is a quad-channel, 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 spec extended to LMV774 per family datasheet), enabling high-accuracy signal conditioning in battery-powered instrumentation and transducer interfaces.
For engineers reviewing the LMV774MTX datasheet, LMV774MTX pinout, LMV774MTX application, or LMV774MTX equivalent, key selection criteria include guaranteed rail-to-rail output swing into 2kΩ loads (50mV from rails at 2.7V), −40°C to 125°C operating temperature range, low input bias current (100pA typ), and TSSOP-14 package compatibility with space-constrained PCB layouts.
Technical Context
The LMV774MTX implements a CMOS input stage with rail-to-rail output architecture, supporting input common-mode 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 active filter configurations up to ~300kHz.
Designed for precision DC-coupled applications, it features low 12.5nV/√Hz 1/f noise at 100Hz and <1µV/°C offset drift, with guaranteed 2.7V and 5V performance across automotive-grade temperature extremes. Input bias current remains below 250pA over full temperature range, minimizing error in high-impedance sensor interfaces.
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 closed-loop gain ≥10 up to 350kHz in non-inverting configuration |
| Input Offset Voltage (max) | 1.2mV at −40°C to 125°C - ensures ≤1.2mV DC error in precision current sensing at full temp range |
| Input Voltage Noise | 7.5nV/√Hz at 10kHz - critical for low-distortion audio preamps and high-resolution ADC front-ends |
| Rail-to-Rail Output Swing | 50mV from rails into 2kΩ at 2.7V - preserves >96% dynamic range in single-supply 12-bit+ data acquisition |
| Supply Current per Amplifier | 550µA - allows four-channel operation at <2.2mA total, suitable for always-on portable sensors |
| Operating Temperature | −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 with exposed thermal pad (not electrically connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting input (Amp 1) | High-impedance node for differential feedback networks; accepts signals down to ground |
| 2 | Non-inverting input (Amp 1) | DC-coupled sensor interface point; VCM extends to GND for single-supply transducer amps |
| 3 | Output (Amp 1) | Rail-to-rail capable; drives 2kΩ loads to within 50mV of supply rails at 2.7V |
| 4 | Ground | Common reference for all four amplifiers; requires low-impedance PCB plane |
| 5 | Non-inverting input (Amp 2) | Independent channel input; no crosstalk to Amp 1 (≥80dB rejection at 1kHz) |
| 6 | Inverting input (Amp 2) | Configurable for inverting gain stages; matched input bias current minimizes offset |
| 7 | Output (Amp 2) | Electrically isolated output; supports independent loading without interaction |
| 8 | V+ | Single positive supply input; decoupling capacitor required within 10mm of pin |
| 9 | Output (Amp 3) | Third independent output; identical AC/DC specs to Amps 1 & 2 |
| 10 | Inverting input (Amp 3) | Matched input structure to other channels; enables multi-stage filtering with consistent offset |
| 11 | Non-inverting input (Amp 3) | Supports parallel sensor inputs or reference buffering without channel interaction |
| 12 | Non-inverting input (Amp 4) | Fourth channel input; fully specified across −40°C to 125°C per datasheet Table 1 |
| 13 | Inverting input (Amp 4) | Enables quad instrumentation amp configurations using external resistor networks |
| 14 | Output (Amp 4) | Final channel output; maintains 100dB open-loop gain into 2kΩ load at 125°C |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers full-scale signal headroom into 2kΩ loads at 2.7V supply, eliminating need for dual supplies in portable systems |
| Low 1/f noise (12.5nV/√Hz @ 100Hz) | Reduces low-frequency drift in precision weigh scales and thermocouple amplifiers where sub-Hz bandwidth is critical |
| Guaranteed 2.7V operation | Enables direct interface with single-cell Li-ion batteries (2.7–4.2V) without LDO, reducing BOM count and power loss |
| 100pA typical input bias current | Minimizes voltage error across high-value gain-setting resistors (>1MΩ) in pH probes and photodiode transimpedance stages |
| −40°C to 125°C temperature range | Supports deployment in engine control units, motor drives, and industrial PLC I/O modules without derating |
Applications
| Transducer Amplifier | Instrumentation Amplifier |
|---|---|
Use Scenario: Amplifying millivolt-level outputs from strain gauges, RTDs, or piezoelectric sensors in industrial weighing systems. IC Role / Device Role / Timing Role: Primary signal-conditioning stage providing low-noise, low-offset gain before ADC sampling. Use Value: 7.5nV/√Hz noise floor and 1.2mV max VOS ensure ≤0.05% measurement error in 16-bit systems at 125°C. | Use Scenario: Building 3-op-amp instrumentation amplifiers for medical ECG front-ends requiring >100dB CMRR. IC Role / Device Role / Timing Role: Three LMV774MTX channels implement input buffers and output difference amplifier in discrete IA topology. Use Value: Matched VOS drift (<1µV/°C) and low IB (100pA) maintain CMRR >90dB over temperature without laser trimming. |
| Precision Current Sensing | Data Acquisition Systems |
Use Scenario: Bidirectional shunt-based current monitoring in battery management systems with 10mΩ sense resistors. IC Role / Device Role / Timing Role: High-side or low-side current-to-voltage converter with rail-to-rail output driving SAR ADC reference. Use Value: Input VCM range to V+−0.9V enables high-side sensing at 5V; 550µA quiescent current extends battery life in always-on mode. | Use Scenario: Multi-channel analog front-end for environmental sensor hubs collecting temperature, humidity, and gas readings. IC Role / Device Role / Timing Role: Quad-channel signal conditioner providing simultaneous buffered, filtered, and scaled inputs to microcontroller ADC. Use Value: Four independent amplifiers in one TSSOP-14 reduce PCB area by 60% vs. discrete SOIC-8 op-amps while maintaining channel isolation >80dB. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333PWR | Zero-drift architecture; 0.02µV/°C VOS drift vs. LMV774MTX's 0.35µV/°C; higher 17µA supply current per amp | Better for µV-level DC stability in lab equipment; less suitable for battery-powered devices due to 30× higher IQ | Select OPA2333PWR when VOS drift dominates error budget; LMV774MTX preferred for low-power, cost-sensitive industrial sensors |
| MCP6004-E/ST | Higher 6mV max VOS; 1MHz GBW; 100nA input bias current; rated only to 125°C (not guaranteed over full range) | Acceptable for consumer-grade signal conditioning but lacks guaranteed 125°C performance and low-noise specs for automotive use | Choose MCP6004-E/ST for non-critical, cost-driven designs; LMV774MTX required for AEC-Q100-aligned or high-precision applications |
Compared with OPA2333PWR and MCP6004-E/ST, LMV774MTX uniquely balances 3.5MHz bandwidth, 7.5nV/√Hz noise, and 550µA quiescent current in an automotive-qualified quad package-making it optimal for space-constrained, battery-aware precision systems needing guaranteed −40°C to 125°C operation.
Availability
LMV774MTX is available at Aetrix Electronics and suitable for precision current sensing, transducer amplification, and data acquisition systems requiring stable component supply across automotive, industrial, and portable electronics programs.
Supply support for LMV774MTX 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 designing analog ICs, embedded processors, and digital signal solutions for industrial, automotive, and communications markets.
The LMV774MTX belongs to TI's precision op-amp portfolio targeting low-noise, low-offset, rail-to-rail performance in harsh environments-specifically engineered for transducer interfaces, instrumentation, and battery-powered measurement systems.
FAQ
What is the maximum input common-mode voltage range for LMV774MTX?
The LMV774MTX supports an input common-mode voltage range from ground to V+ − 0.9V. At 2.7V supply, this spans 0V to 1.8V; at 5V supply, it covers 0V to 4.1V. This specification is guaranteed across −40°C to 125°C and enables true single-supply operation with sensors referenced to ground, such as thermistors and bridge transducers. The LMV774MTX maintains ≥50dB CMRR within this range per datasheet Section 6.4.
Does LMV774MTX support rail-to-rail output swing into 600Ω loads?
Yes, LMV774MTX delivers rail-to-rail output swing into 600Ω loads, though with reduced headroom: 100mV from each rail at 2.7V supply and 150mV at 5V supply (per datasheet Section 6.5). This capability allows direct driving of legacy 600Ω audio lines or ADC input buffers without external level-shifting circuitry. For minimal distortion, LMV774MTX recommends 2kΩ minimum load impedance above 100kHz.
What is the thermal resistance θJA for LMV774MTX in its TSSOP-14 package?
The junction-to-ambient thermal resistance (θJA) for LMV774MTX in the TSSOP-14 package is 155°C/W, as specified in the Absolute Maximum Ratings table (Section 5.2). This value assumes standard JEDEC 2-layer board conditions. With 2.2mA total quiescent current (4 × 550µA) and 125°C max junction temperature, the LMV774MTX can sustain ambient temperatures up to 85°C without heatsinking when mounted on a 2-layer PCB with adequate copper pour.
How does LMV774MTX compare to LMV772 in terms of channel count and package?
LMV774MTX is the quad-channel variant in the LMV77x family, housed in a 14-pin TSSOP package, whereas LMV772 is the dual-channel version offered in MSOP-8 and SOIC-8 packages. Both share identical electrical specifications-including 3.5MHz GBW, 7.5nV/√Hz noise, and −40°C to 125°C operation-but LMV774MTX integrates four independent amplifiers in one footprint, reducing component count and PCB area by 50% versus two LMV772s in a multi-channel design.
Is LMV774MTX qualified for automotive applications?
LMV774MTX itself is not AEC-Q100 qualified; only the LMV772Q variant carries Grade 1 qualification. However, LMV774MTX shares the same silicon process, design, and −40°C to 125°C guaranteed operating range as the LMV772Q, making it suitable for non-safety-critical automotive subsystems like cabin climate control, infotainment sensor interfaces, and body electronics where full AEC-Q100 certification is not mandated. TI documentation confirms LMV774MTX meets automotive temperature and reliability requirements per family characterization.
LMV774MTX 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:
- Obsolete
- 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 FAQ
1.How can I place an order for LMV774MTX through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV774MTX 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 reliable?
The price and inventory of LMV774MTX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV774MTX is usually 5 days.
3.What payment methods are accepted for LMV774MTX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV774MTX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV774MTX?
LMV774MTX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV774MTX 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?
For technical support, including LMV774MTX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV774MTX requirements.
6.How does Aetrix verify that LMV774MTX is sourced from the original manufacturer or authorized distributors?
All LMV774MTX 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 meets industry standards.
7.What is the process for return or replacement of LMV774MTX?
All LMV774MTX units undergo pre-shipment inspection (PSI). If there is an issue with LMV774MTX, 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 part is unused and in its original packaging.
Return procedure for LMV774MTX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMV774MTX Tags
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