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Texas Instruments LMV822DR
- Part No.:
- LMV822DR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMV822DR.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,027
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Product details
Overview
LMV822DR from Texas Instruments is a dual, 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 0.5 mA typical supply current per amplifier at 5 V - enabling precision signal conditioning in space-constrained portable electronics such as sensor front-ends and battery-powered data acquisition systems.
For engineers reviewing the LMV822DR datasheet, LMV822DR pinout, LMV822DR application, or LMV822DR equivalent, key selection considerations include its rail-to-rail output swing (4.85 V high / 0.17 V low at 5 V, RL = 600 Ω), –40°C to 85°C operating range, SOIC-8 package compatibility, and absence of crossover distortion in audio and instrumentation amplification stages.
Technical Context
The LMV822DR implements a CMOS input stage with rail-to-rail output using complementary push-pull output transistors, supporting single-supply operation down to 2.5 V. Its input common-mode voltage range extends to ground (–0.2 V to 4.2 V at 5 V), enabling direct interfacing with ADC reference buffers and DAC output stages.
It features 72 dB minimum CMRR and 75 dB typical PSRR at 5 V, with amplifier-to-amplifier isolation of 135 dB - critical for maintaining channel independence in dual-channel sensor signal chains and differential receiver designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.5 V to 5.5 V - supports direct integration into 3.3 V and 5 V logic domains without level-shifting. |
| Gain Bandwidth | 5.5 MHz typ at 5 V - enables stable unity-gain buffer configurations up to ~5 MHz and closed-loop gains ≥10 at ~500 kHz. |
| Slew Rate | 1.9 V/μs typ at 5 V - sufficient for 10-bit ADC driving at 100 kSPS with <0.1% settling error. |
| Output Swing | 0.17 V to 4.85 V (RL = 600 Ω, 5 V) - delivers >96% of full rail-to-rail dynamic range for maximum SNR utilization. |
| Input Offset Voltage | 1 mV typ, 4 mV max (–40°C to 85°C) - ensures ≤2 mV DC error in precision transimpedance or difference amplifier topologies. |
| Supply Current | 0.5 mA typ per amplifier at 5 V - allows dual-channel analog front-end operation under 1 mA total, ideal for ultra-low-power IoT nodes. |
Pinout & Package
LMV822DR is housed in an 8-pin SOIC (D) package with standard 1.27 mm pitch, compatible with automated PCB assembly and legacy footprint libraries.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Output of amplifier A - drives loads up to 20 mA sourcing/sinking capability at 5 V. |
| 2 | 1IN− | Inverting input of amplifier A - high-impedance CMOS node (IIB = 40 nA typ) for precision feedback networks. |
| 3 | 1IN+ | Non-inverting input of amplifier A - accepts signals within –0.2 V to 4.2 V at 5 V supply, including ground-referenced sensors. |
| 4 | GND/VCC− | Ground reference or negative supply terminal - must be connected to system ground in single-supply configurations. |
| 5 | 2IN+ | Non-inverting input of amplifier B - electrically isolated from amplifier A with 135 dB crosstalk rejection. |
| 6 | 2IN− | Inverting input of amplifier B - matched bias current and offset characteristics to pin 2 for dual-channel matching. |
| 7 | 2OUT | Output of amplifier B - independent rail-to-rail output stage with identical drive strength to pin 1. |
| 8 | VCC+ | Positive supply input - accepts 2.5 V to 5.5 V; decoupling capacitor required within 1 cm for stability. |
Key Features
| Feature | Design Value |
|---|---|
| No Crossover Distortion | Eliminates 2nd-harmonic artifacts in audio and sensor signal paths, preserving THD at 0.01% (f = 1 kHz). |
| Rail-to-Rail Output | Delivers full dynamic range across 2.5–5.5 V supplies - maximizes resolution when driving SAR or sigma-delta ADC inputs. |
| Low Input Bias Current | 40 nA typ at 25°C - enables high-Z sensor interfaces (e.g., pH electrodes, photodiode TIA) without significant offset drift. |
| High CMRR & PSRR | 72 dB min CMRR and 75 dB PSRR - rejects power supply noise and common-mode interference in noisy industrial environments. |
| Stable with Capacitive Loads | Phase margin ≥64.2° at 5 V with CL = 22 pF - supports direct connection to long traces or ADC input capacitance without external compensation. |
Applications
| Portable Medical Sensors | Industrial Analog Front-Ends |
|---|---|
Use Scenario: Amplifying low-level biopotential signals (ECG, EMG) from dry electrodes in wearable monitors. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier first stage, providing gain and rail-to-rail buffering before 12-bit ADC sampling. Use Value: 0.5 mA total supply current enables >1-week battery life on coin-cell power; rail-to-rail output preserves full 0–3.3 V ADC input range. | Use Scenario: Signal conditioning for 4–20 mA loop receivers in PLC I/O modules. IC Role / Device Role / Timing Role: Dual op-amp implementing precision current-to-voltage conversion and active filtering. Use Value: 4 mV max input offset ensures <0.1% full-scale error over –40°C to 85°C; 135 dB channel isolation prevents cross-talk between adjacent channels. |
| Audio Line Drivers | Automotive Cabin Sensors |
Use Scenario: Driving stereo line outputs in automotive infotainment head units with minimal external components. IC Role / Device Role / Timing Role: Dual unity-gain buffer isolating DAC outputs from variable cable impedance. Use Value: No crossover distortion maintains THD <0.01%, while 1.9 V/μs slew rate supports 20 kHz full-scale square-wave fidelity. | Use Scenario: Amplifying thermistor and pressure sensor outputs in HVAC control units. IC Role / Device Role / Timing Role: Dual-channel signal conditioner with one amp for sensor excitation and one for signal amplification. Use Value: Input common-mode range includes ground allows direct thermistor biasing; 5.5 MHz GBW supports fast transient response during cabin temperature ramp-up. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV822DGKR | Same electrical specs, but in MSOP-8 (DGK) package - 3.0 × 3.0 mm vs SOIC-8's 4.9 × 6.0 mm. | Preferred for space-constrained PCBs where board area is limited; thermal resistance higher (θJA = 172°C/W vs 97°C/W). | Select LMV822DGKR only if layout density outweighs thermal performance requirements. |
| TLV2462IDR | Lower GBW (6.4 MHz), higher supply current (0.65 mA/amplifier), wider input voltage range (rail-to-rail input), and extended temp range (–40°C to 125°C). | Better suited for automotive under-hood applications requiring higher temperature rating and rail-to-rail input capability. | Choose TLV2462IDR when input common-mode range beyond ground is required or 125°C operation is mandatory. |
Compared with LMV822DGKR and TLV2462IDR, the LMV822DR offers optimal thermal performance in SOIC-8 for cost-sensitive industrial and consumer applications, while retaining the lowest supply current among dual rail-to-rail output op-amps in its class.
Availability
LMV822DR is available at Aetrix Electronics and suitable for portable medical devices, industrial analog front-ends, and automotive cabin sensor systems requiring stable component supply and long-term production continuity.
Supply support for LMV822DR 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 battery-operated and space-constrained systems - emphasizing rail-to-rail output, low quiescent current, and robust AC performance at 2.5–5.5 V.
FAQ
What is the operating temperature range for the LMV822DR?
The LMV822DR is characterized for operation from –40°C to +85°C. This range is confirmed in the "Recommended Operating Conditions" table of the official TI datasheet SLOS434I, and applies to all electrical specifications unless otherwise noted. The LMV822DR does not support the extended –40°C to +125°C range offered by the LMV822IDR variant.
Does the LMV822DR support rail-to-rail input?
No, the LMV822DR features rail-to-rail *output* only. Its input common-mode voltage range extends to ground (–0.2 V at 5 V supply) but does not reach VCC+ - specified as up to 4.2 V at 5 V. For true rail-to-rail input capability, TI recommends alternatives such as the TLV2462 or LMV358.
What is the maximum capacitive load the LMV822DR can drive stably?
The LMV822DR maintains stability with up to 22 pF capacitive load when configured for 40-dB closed-loop gain, as verified in the datasheet's phase margin characterization (Figure 17). Driving larger capacitive loads (e.g., >100 pF) requires external isolation resistor or compensation network to prevent peaking or oscillation.
Is the LMV822DR pin-compatible with other dual op-amps in SOIC-8?
The LMV822DR uses the industry-standard SOIC-8 pinout for dual op-amps (pin 1 = OUT A, pin 2 = IN− A, pin 3 = IN+ A, pin 4 = GND, pin 5 = IN+ B, pin 6 = IN− B, pin 7 = OUT B, pin 8 = VCC+). It is pin-compatible with LM2904, TLV2462, and MCP6022 in this configuration - though electrical behavior (e.g., input stage, supply current, bandwidth) differs significantly.
What is the typical output current capability of the LMV822DR at 5 V supply?
At 5 V supply, the LMV822DR delivers ±20 mA typical output current (sourcing and sinking), with guaranteed minimum of ±15 mA over –40°C to +85°C. This is measured at VO = 0 V (sourcing) and VO = 5 V (sinking), per the "Output Current" specification in the 5-V Electrical Characteristics table.
LMV822DR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- 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:
- 500µA
- 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:
- 8-SOIC
LMV822DR FAQ
1.How can I place an order for LMV822DR through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV822DR 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 LMV822DR reliable?
The price and inventory of LMV822DR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV822DR is usually 5 days.
3.What payment methods are accepted for LMV822DR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV822DR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV822DR?
LMV822DR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV822DR 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 LMV822DR?
For technical support, including LMV822DR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV822DR requirements.
6.How does Aetrix verify that LMV822DR is sourced from the original manufacturer or authorized distributors?
All LMV822DR 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 LMV822DR meets industry standards.
7.What is the process for return or replacement of LMV822DR?
All LMV822DR units undergo pre-shipment inspection (PSI). If there is an issue with LMV822DR, 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 LMV822DR part is unused and in its original packaging.
Return procedure for LMV822DR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMV822DR Tags
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LM358DT
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LM358DR
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LM324PWR
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LM2902DR
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