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Texas Instruments LMV824PWRG4
- Part No.:
- LMV824PWRG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LMV824PWRG4.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,767
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Product details
Overview
LMV824PWRG4 from Texas Instruments is a quad, rail-to-rail output operational amplifier optimized for low-voltage (2.5 V to 5.5 V), low-power applications. It delivers 5.5 MHz gain bandwidth, 1.9 V/μs slew rate, and 1 mA typical supply current at 5 V - enabling precision signal conditioning in space-constrained portable electronics such as medical sensors and battery-powered instrumentation.
For engineers reviewing the LMV824PWRG4 datasheet, LMV824PWRG4 pinout, LMV824PWRG4 application, or LMV824PWRG4 equivalent, key selection criteria include its rail-to-rail output swing (4.85 V at 5 V supply, RL = 2 kΩ), –40°C to 85°C operating range, TSSOP-14 package footprint, and compatibility with single-supply sensor front-ends requiring low input offset (1 mV typ) and high CMRR (72 dB).
Technical Context
The LMV824PWRG4 integrates four independent voltage-feedback op-amps in a single monolithic die, each featuring complementary input stages enabling rail-to-rail output swing and input common-mode range extending to ground. Its architecture avoids crossover distortion and supports stable operation with capacitive loads up to 22 pF under 40-dB closed-loop gain.
Designed for single-supply systems, it maintains specified performance across 2.5 V–5.5 V supply rails, with input bias current ≤150 nA (–40°C to 85°C), output drive capability of ±20 mA, and amplifier-to-amplifier isolation of 135 dB - critical for multi-channel signal paths where crosstalk must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.5 V to 5.5 V - enables direct interface with Li-ion, 3.3 V, and 5 V logic domains without level-shifting. |
| Gain Bandwidth Product | 5.5 MHz (typ at 5 V) - supports stable closed-loop gain ≥10 at 500 kHz for anti-aliasing or active filtering. |
| Slew Rate | 1.9 V/μs (typ at 5 V) - ensures <1% settling error for 1-V step signals within 526 ns. |
| Input Offset Voltage | 1 mV (typ, 25°C) - minimizes DC error in precision transducer amplification (e.g., load cell, thermopile). |
| Output Swing | 0.1 V from rail (low), 4.85 V from 5 V rail (high) at RL = 2 kΩ - maximizes dynamic range in single-supply ADC driver stages. |
| Common-Mode Rejection | 72 dB (min, VIC = 0 to 4 V) - rejects noise coupling from shared ground or power rails in mixed-signal PCBs. |
| Supply Current per Amp | 250 μA (typ at 5 V) - allows four-channel amplification with <1 mA total quiescent draw for ultra-low-power IoT nodes. |
Pinout & Package
TSSOP-14 package (4.4 mm × 5.0 mm, 0.65 mm pitch) with exposed thermal pad; JEDEC MO-153 compliant; RoHS-compliant lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OUT | Amplifier 1 output | Drives external load or next-stage input; rail-to-rail capable up to ±20 mA. |
| 1IN− | Amplifier 1 inverting input | Accepts feedback network; high impedance (>100 GΩ) minimizes loading on passive filters. |
| 1IN+ | Amplifier 1 non-inverting input | Connects to sensor reference or signal source; common-mode range includes ground. |
| VCC+ | Positive supply rail | Single 2.5–5.5 V supply; decoupling capacitor required within 1 cm for stability. |
| 2IN+ | Amplifier 2 non-inverting input | Independent channel; no internal coupling - usable for differential pair or separate signal paths. |
| 2IN− | Amplifier 2 inverting input | Supports unity-gain buffer or inverting configuration; matched to 1IN± for common-mode rejection. |
| 2OUT | Amplifier 2 output | Electrically isolated from 1OUT; 135 dB inter-channel isolation prevents crosstalk in multi-sensor systems. |
| 4OUT | Amplifier 4 output | Final channel output; identical AC/DC specs to 1OUT - enables 4× parallel processing or redundancy. |
| 4IN− | Amplifier 4 inverting input | Matches input bias current (≤150 nA) across all channels for consistent offset behavior. |
| 4IN+ | Amplifier 4 non-inverting input | Ground-referenced input capability allows direct connection to shunt resistors or thermistors. |
| GND/VCC− | Ground / negative rail | Single-supply operation only; no dual-rail support - referenced to system ground plane. |
| 3IN+ | Amplifier 3 non-inverting input | Enables simultaneous 4-channel acquisition (e.g., ECG leads, motor phase sensing). |
| 3IN− | Amplifier 3 inverting input | Configurable for instrumentation amp topology when paired with external resistors. |
| 3OUT | Amplifier 3 output | Provides fourth independent gain stage; same 5.5 MHz GBW as other channels. |
Key Features
| Feature | Design Value |
|---|---|
| No crossover distortion | Eliminates 2nd-harmonic artifacts in audio and sensor signal chains, preserving THD at 0.01% (1 kHz). |
| Rail-to-rail output swing | Delivers full 4.85 Vpp dynamic range from 5 V supply into 2 kΩ, maximizing ADC utilization without clipping. |
| Low 1 mA supply current (quad) | Reduces thermal load in sealed enclosures and extends battery life in portable diagnostics equipment. |
| 5.5 MHz gain bandwidth | Supports closed-loop configurations up to 500 kHz with >60° phase margin, ensuring stability with standard 22 pF compensation. |
| Input common-mode range includes ground | Allows direct interfacing with 0 V-referenced sources (e.g., bridge sensors, current-sense shunts) without level-shifting circuitry. |
Applications
| Portable Medical Sensors | Battery-Powered Instrumentation |
|---|---|
Use Scenario: Amplifying microvolt-level EEG or ECG signals in handheld diagnostic devices powered by coin-cell batteries. IC Role / Device Role / Timing Role: Quad-channel signal conditioning front-end, with each amplifier dedicated to one electrode channel and configured as a 100× non-inverting gain stage. Use Value: Rail-to-rail output swing preserves full ADC input range; 1 mV offset ensures baseline stability over temperature; 250 μA per amp extends battery runtime beyond 100 hours. | Use Scenario: Signal conditioning for 4-wire RTD measurements in field-deployable temperature loggers. IC Role / Device Role / Timing Role: Precision current-source buffer and differential amplifier for ratiometric resistance measurement, rejecting common-mode noise from long sensor cables. Use Value: 72 dB CMRR suppresses induced 50/60 Hz interference; 150 nA input bias avoids self-heating errors in high-impedance RTD bridges. |
| Industrial Process Monitoring | Consumer Audio Line Drivers |
Use Scenario: Multi-channel analog input module for PLCs monitoring pressure, flow, and level transmitters. IC Role / Device Role / Timing Role: Four independent unity-gain buffers isolating 4–20 mA loop receivers from downstream ADC multiplexers. Use Value: 135 dB amplifier-to-amplifier isolation prevents cross-channel leakage in dense I/O modules; SOIC/TSSOP compatibility simplifies layout reuse. | Use Scenario: Low-noise line driver for headphone outputs in Bluetooth speakers and smart displays. IC Role / Device Role / Timing Role: Dual-channel buffer driving 32 Ω loads with minimal THD+N, while two spare amps handle volume control and tone shaping. Use Value: 42 nV/√Hz input noise ensures clean audio reproduction; 1.9 V/μs slew rate handles 20 kHz sine waves without slew-induced distortion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV824DR | Same electrical specs and pinout; SOIC-14 package (8.65 mm × 3.91 mm) vs. TSSOP-14 (5.0 mm × 4.4 mm). | SOIC variant suits through-hole prototyping or legacy board designs; larger footprint increases parasitic capacitance. | Select LMV824DR for manual soldering or compatibility with existing SOIC footprints; LMV824PWRG4 preferred for high-density layouts. |
| TLV2464IDR | Higher supply current (1.4 mA quad), wider supply range (2.7–6 V), but lower GBW (6.4 MHz) and no guaranteed rail-to-rail input. | Used in higher-speed industrial interfaces where input rail-to-rail is not required; less suitable for ground-referenced sensor inputs. | Choose TLV2464IDR only if >6 MHz bandwidth is needed and ground-sensing capability is unnecessary; LMV824PWRG4 remains optimal for low-voltage, ground-referenced designs. |
Compared with LMV824DR and TLV2464IDR, the LMV824PWRG4 uniquely balances ultra-low quiescent current (1 mA), rail-to-rail output, ground-sensing input, and compact TSSOP-14 packaging - making it the most suitable choice for space- and power-constrained portable instrumentation where DC precision and AC fidelity are both critical.
Availability
LMV824PWRG4 is available at Aetrix Electronics and suitable for portable medical sensors, battery-powered instrumentation, and industrial process monitoring requiring stable component supply across extended product lifecycles.
Supply support for LMV824PWRG4 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 delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The LMV8xx family was designed specifically for low-voltage, low-power signal conditioning in portable and battery-operated systems - prioritizing rail-to-rail output, ground-sensing input, and minimal supply current without sacrificing bandwidth or precision.
FAQ
What is the operating temperature range for the LMV824PWRG4?
The LMV824PWRG4 is characterized for operation from –40°C to +85°C. This range is confirmed in the official Texas Instruments SLOS434I datasheet under "Recommended Operating Conditions" and applies specifically to the LMV824PWRG4 variant, which uses the TSSOP-14 package and shares the standard LMV824 temperature grade (not the extended –40°C to 125°C LMV824I version).
Does the LMV824PWRG4 support rail-to-rail input?
No, the LMV824PWRG4 does not support rail-to-rail input. Its input common-mode voltage range extends to ground (VCC–) but stops at VCC+ – 0.2 V (min) - meaning it cannot accept signals at the positive rail. However, it does provide true rail-to-rail output swing, reaching within 0.1 V of both supply rails under 2 kΩ load, as verified in the 5-V Electrical Characteristics table.
What is the maximum capacitive load the LMV824PWRG4 can drive stably?
The LMV824PWRG4 maintains stability with capacitive loads up to 22 pF when configured with 40-dB closed-loop DC gain, as documented in the Gain and Phase Margin vs. Frequency plots (Figures 16–21). Driving larger capacitive loads (e.g., >100 pF) requires external isolation resistance or reduced closed-loop gain to preserve phase margin above 60°.
Is the LMV824PWRG4 pin-compatible with other LMV824 variants like LMV824DR or LMV824DGVR?
Yes, the LMV824PWRG4 is pin-compatible with all LMV824 variants including LMV824DR (SOIC-14) and LMV824DGVR (TVSOP-14), as they share identical pin numbering, function mapping, and electrical specifications. The TSSOP-14 (PW) and TVSOP-14 (DGV) packages differ only in physical dimensions and thermal characteristics - not pinout or signal assignment.
What is the typical input offset voltage drift over temperature for LMV824PWRG4?
The LMV824PWRG4 has an average input offset voltage temperature coefficient (αVIO) of 1 μV/°C, as specified in the 2.7-V and 5-V Electrical Characteristics tables. This low drift ensures minimal offset variation across its –40°C to +85°C operating range, supporting stable DC-coupled gain accuracy in precision sensor interfaces without frequent calibration.
LMV824PWRG4 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:
- Rail-to-Rail
- Slew Rate:
- 1.9V/µs
- Gain Bandwidth Product:
- 5.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 40 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 1mA
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
LMV824PWRG4 FAQ
1.How can I place an order for LMV824PWRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV824PWRG4 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 LMV824PWRG4 reliable?
The price and inventory of LMV824PWRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV824PWRG4 is usually 5 days.
3.What payment methods are accepted for LMV824PWRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV824PWRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV824PWRG4?
LMV824PWRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV824PWRG4 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 LMV824PWRG4?
For technical support, including LMV824PWRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV824PWRG4 requirements.
6.How does Aetrix verify that LMV824PWRG4 is sourced from the original manufacturer or authorized distributors?
All LMV824PWRG4 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 LMV824PWRG4 meets industry standards.
7.What is the process for return or replacement of LMV824PWRG4?
All LMV824PWRG4 units undergo pre-shipment inspection (PSI). If there is an issue with LMV824PWRG4, 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 LMV824PWRG4 part is unused and in its original packaging.
Return procedure for LMV824PWRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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