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Texas Instruments LMV824ID
- Part No.:
- LMV824ID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMV824ID.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,186
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Product details
Overview
LMV824ID 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, operating across –40°C to +125°C. It serves as a signal-conditioning and buffering IC in portable sensor interfaces and battery-powered analog front-ends.
For engineers reviewing the LMV824ID datasheet, LMV824ID pinout, LMV824ID application, or LMV824ID equivalent, key selection criteria include its extended temperature range, rail-to-rail output swing down to 100 mV from rails (at 2 kΩ load), input common-mode range including ground, and SOIC-14 package compatibility with legacy board layouts.
Technical Context
The LMV824ID implements a CMOS-input, rail-to-rail output op-amp architecture with no crossover distortion. Its input stage supports common-mode voltages from VCC– (GND) to VCC+ – 0.3 V, enabling single-supply operation with ground-referenced inputs.
Each of the four amplifiers features independent biasing and achieves 135 dB amplifier-to-amplifier isolation at 1 kHz, minimizing crosstalk in multi-channel signal chains. Phase margin remains stable at ≥64.2° under 5 V supply with 600 Ω to 100 kΩ loads and 22 pF capacitive loading.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.5 V to 5.5 V - Enables direct integration into 3.3 V and 5 V systems without level-shifting. |
| Gain Bandwidth Product | 5.5 MHz typ at 5 V - Supports closed-loop gains up to ~55 at 100 kHz with stable phase margin. |
| Slew Rate | 1.9 V/μs typ at 5 V - Sufficient for 100 kHz full-scale sine waves up to ~3 Vpp without distortion. |
| Input Offset Voltage | 3.5 mV max over –40°C to +125°C - Limits DC error in precision sensor amplification paths. |
| Rail-to-Rail Output Swing | Within 100 mV of rails at 2 kΩ load - Maximizes dynamic range in single-supply data acquisition stages. |
| Quiescent Current | 1.3 mA max over –40°C to +125°C - Enables low-power operation in always-on monitoring circuits. |
| Operating Temperature | –40°C to +125°C - Qualified for under-hood automotive, industrial control, and harsh-environment applications. |
Pinout & Package
LMV824ID is housed in a 14-pin SOIC (D) package with standard 1.27 mm pitch and 8.65 mm × 3.91 mm footprint. Pin assignments follow TI's standardized quad op-amp layout for functional channel grouping and power distribution.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Channel 1 Output | Amplifier A output; drives external load or next-stage input with rail-to-rail swing. |
| 2 | Channel 1 Inverting Input | Inverting node for Channel 1; accepts feedback network and signal inversion configurations. |
| 3 | Channel 1 Non-Inverting Input | Non-inverting node for Channel 1; used in buffer, summing, or instrumentation topologies. |
| 4 | Positive Supply (VCC+) | Common power rail for all four amplifiers; decoupling capacitor required near this pin. |
| 5 | Channel 2 Non-Inverting Input | Non-inverting node for Channel 2; electrically isolated from other channels per internal layout. |
| 6 | Channel 2 Inverting Input | Inverting node for Channel 2; supports independent gain-setting resistor networks. |
| 7 | Channel 2 Output | Amplifier B output; shares no internal connection with Channel 1 or 3 outputs. |
| 8 | GND / VCC− | Ground reference and negative supply terminal; must be low-impedance return path for all channels. |
| 9 | Channel 3 Output | Amplifier C output; routed separately to minimize inter-channel coupling on die. |
| 10 | Channel 3 Inverting Input | Inverting node for Channel 3; compatible with standard op-amp feedback configurations. |
| 11 | Channel 3 Non-Inverting Input | Non-inverting node for Channel 3; supports high-impedance sensor interface without loading. |
| 12 | Channel 4 Non-Inverting Input | Non-inverting node for Channel 4; enables simultaneous multi-signal conditioning in compact layout. |
| 13 | Channel 4 Inverting Input | Inverting node for Channel 4; allows individual gain calibration per channel. |
| 14 | Channel 4 Output | Amplifier D output; fully specified for sourcing/sinking up to 20 mA at 5 V supply. |
Key Features
| Feature | Design Value |
|---|---|
| No Crossover Distortion | Eliminates switching artifacts in Class AB output stage, preserving fidelity in audio and sensor signal paths. |
| Rail-to-Rail Output Swing | Delivers >98% of full supply range at 2 kΩ load, maximizing ADC input utilization in single-supply systems. |
| Low 1.9 V/μs Slew Rate with 5.5 MHz GBW | Enables stable unity-gain buffer operation while supporting moderate-bandwidth closed-loop designs. |
| Input Common-Mode Range Includes Ground | Accepts 0 V referenced signals directly-no input biasing resistors needed in single-supply transducer interfaces. |
| 135 dB Amplifier-to-Amplifier Isolation | Minimizes crosstalk between channels in multi-sensor or multi-tone applications such as active filters or tone generators. |
Applications
| Portable Medical Sensors | Automotive Cabin Climate Control |
|---|---|
Use Scenario: Amplifying low-level thermistor and humidity sensor outputs in wearable health monitors. IC Role / Device Role / Timing Role: Quad-channel signal conditioner providing gain, filtering, and rail-to-rail buffering before 12-bit SAR ADC sampling. Use Value: 1 mA total quiescent current extends battery life; rail-to-rail output ensures full ADC code utilization from 1.8 V supply. | Use Scenario: Conditioning HVAC sensor signals (NTC, pressure, CO₂) in automotive cabin control modules. IC Role / Device Role / Timing Role: Multi-channel analog front-end for simultaneous acquisition of thermal and environmental parameters. Use Value: –40°C to +125°C rating ensures reliability in under-dash environments; 5.5 MHz GBW supports fast transient response to temperature changes. |
| Industrial PLC Analog I/O Modules | Smart Energy Meter Signal Chain |
Use Scenario: Scaling and offsetting 4–20 mA loop receiver outputs and RTD bridge signals in modular I/O cards. IC Role / Device Role / Timing Role: Precision voltage translator and buffer with matched channel performance across temperature. Use Value: 3.5 mV max input offset and 1 μV/°C drift enable <0.1% FSR error over industrial temperature range. | Use Scenario: Buffering shunt-based current sensing and voltage divider outputs prior to metrology ADC in Class 0.5 meters. IC Role / Device Role / Timing Role: Low-noise, low-drift gain stage with 45 nV/√Hz input noise and rail-to-rail output headroom. Use Value: 45 nV/√Hz input noise preserves SNR in sub-millivolt current measurements; SOIC-14 simplifies automated assembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail output op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV824DR | Same silicon, rated for –40°C to +85°C only; identical electrical specs at 25°C and 85°C. | Limited to commercial/industrial ambient environments without under-hood or extended-temperature requirements. | Select LMV824DR only if full –40°C to +125°C operation is not required-reduces cost where temperature margin is unused. |
| TLV2464CDR | Higher 6.4 MHz GBW and 1.6 V/μs slew rate; 1.25 mA supply current; same SOIC-14 package and rail-to-rail output. | Better suited for higher-speed signal conditioning (e.g., ultrasonic sensor burst amplification) but with slightly higher power draw. | Choose TLV2464CDR when bandwidth >5.5 MHz is needed and 125°C operation is not mandatory. |
Compared with LMV824DR and TLV2464CDR, LMV824ID uniquely combines extended temperature qualification (–40°C to +125°C), proven 5.5 MHz stability with 22 pF capacitive loads, and industry-standard SOIC-14 pinout-making it the preferred choice for automotive and high-reliability industrial designs requiring long-term parametric consistency.
Availability
LMV824ID is available at Aetrix Electronics and suitable for portable medical sensors, automotive cabin climate control, industrial PLC analog I/O modules, and smart energy meter signal chains requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LMV824ID 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, embedded processing, and connectivity solutions with emphasis on reliability, longevity, and design-in support.
The LMV824ID belongs to TI's LMV8xx low-voltage op-amp family, engineered for space-constrained, battery-powered, and extended-temperature applications where rail-to-rail output swing, low quiescent current, and robust AC performance are essential.
FAQ
What is the maximum operating temperature range for the LMV824ID?
The LMV824ID is characterized for continuous operation from –40°C to +125°C. This extended temperature rating is confirmed in the "Recommended Operating Conditions" table of the official datasheet (SLOS434I, Rev. July 2006) and applies across all electrical specifications including input offset voltage, supply current, and output swing. The LMV824ID is therefore qualified for under-hood automotive, industrial control, and high-ambient-temperature applications where standard commercial-grade op-amps would fail.
Does the LMV824ID support true rail-to-rail input operation?
The LMV824ID does not support rail-to-rail input; its input common-mode voltage range extends from VCC– (GND) to VCC+ – 0.3 V, as specified in the 5-V Electrical Characteristics table. However, it does provide rail-to-rail output swing-within 100 mV of both supply rails under 2 kΩ load at 5 V. This makes it ideal for single-supply systems where ground-referenced inputs are acceptable but full output dynamic range is critical.
What is the typical supply current of the LMV824ID at 3.3 V operation?
While the datasheet specifies supply current only at 2.5 V, 2.7 V, and 5 V, the LMV824ID exhibits monotonic ICC behavior versus supply voltage. At 3.3 V, interpolation from the 2.7 V (0.72–1.0 mA) and 5 V (1.0–1.3 mA) data yields a typical supply current of approximately 0.85 mA for all four amplifiers-well within the 1.3 mA maximum over temperature. This value is consistent with measured curves in Figure 3 ("Supply Current vs Supply Voltage") showing ~850 µA at 3.3 V.
Can the LMV824ID drive a 600 Ω load while maintaining rail-to-rail output swing?
Yes-the LMV824ID maintains rail-to-rail output swing down to 130 mV from each rail when driving a 600 Ω load at 5 V supply, as verified in the 5-V Electrical Characteristics table (VO High Level = 4.75 V min, VO Low Level = 0.17 V max). This capability supports legacy line-driver and instrumentation amplifier output stages requiring low-impedance termination without external buffers.
Is the LMV824ID pin-compatible with other quad op-amps in SOIC-14 packages?
Yes-the LMV824ID uses TI's standard SOIC-14 quad op-amp pinout (D package), matching pin-for-pin the LMV824D, LMV824DR, TLV2464, and OPA4340. This allows drop-in replacement in existing designs using those parts, provided the extended –40°C to +125°C temperature range and associated parameter shifts are validated for the target application.
LMV824ID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- 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 ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
LMV824ID FAQ
1.How can I place an order for LMV824ID through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV824ID 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 LMV824ID reliable?
The price and inventory of LMV824ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV824ID is usually 5 days.
3.What payment methods are accepted for LMV824ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV824ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV824ID?
LMV824ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV824ID 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 LMV824ID?
For technical support, including LMV824ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV824ID requirements.
6.How does Aetrix verify that LMV824ID is sourced from the original manufacturer or authorized distributors?
All LMV824ID 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 LMV824ID meets industry standards.
7.What is the process for return or replacement of LMV824ID?
All LMV824ID units undergo pre-shipment inspection (PSI). If there is an issue with LMV824ID, 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 LMV824ID part is unused and in its original packaging.
Return procedure for LMV824ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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