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Texas Instruments LMV722MM/NOPB
- Part No.:
- LMV722MM/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LMV722MM/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,322
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Product details
Overview
LMV722MM/NOPB from Texas Instruments is a dual, rail-to-rail output, low-noise (9 nV/√Hz), low-voltage (2.2 V to 5.5 V), and low-power (1.81 mA typical at 2.2 V) operational amplifier in an 8-pin VSSOP package. It delivers 10 MHz unity-gain bandwidth, 5.25 V/µs slew rate at 5 V, and ±0.135 V output swing headroom into 2 kΩ at 5 V - enabling high-fidelity signal conditioning in space-constrained battery-powered systems such as portable audio preamplifiers and active filters.
For engineers reviewing the LMV722MM/NOPB datasheet, LMV722MM/NOPB pinout, LMV722MM/NOPB application, or LMV722MM/NOPB equivalent, this page provides verified technical context, real-world design meaning for key specs, validated pin functions, application-specific implementation insights, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The LMV722MM/NOPB employs a bipolar input stage with 260 nA typical input bias current and supports single-supply operation down to 2.2 V while maintaining rail-to-rail output swing - critical for maximizing dynamic range in low-voltage systems. Its input common-mode voltage range includes ground (−0.3 V to 4.1 V at 5 V), enabling direct sensing near GND without level-shifting circuitry.
It achieves stable unity-gain operation with up to 4700 pF capacitive load and exhibits 72° phase margin at 5 V, ensuring robust performance in active filter and buffer configurations. The device is fabricated in TI's advanced submicron BiCMOS process, balancing low noise, low power, and wide bandwidth across its full operating temperature range (−40°C to +85°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.2 V to 5.5 V - enables operation across full lithium battery discharge curve (3.6 V → 2.7 V) without brownout. |
| Unity-Gain Bandwidth | 10 MHz - supports audio-band amplification (20 Hz–20 kHz) with >500× gain margin for stable closed-loop designs. |
| Slew Rate | 5.25 V/µs at 5 V - allows clean 1 VPP output at 800 kHz without slew-induced distortion. |
| Input Voltage Noise | 9 nV/√Hz at 1 kHz - ensures <0.004% THD in microphone preamp applications with 50× gain. |
| Quiescent Current | 1.81 mA per amplifier at 2.2 V - extends battery life in always-on sensor interfaces and portable instrumentation. |
| Rail-to-Rail Output | Swings within 0.135 V of either rail into 2 kΩ at 5 V - maximizes usable output voltage range in 3.3 V or lower systems. |
| Input Common-Mode Range | Includes ground (−0.3 V min) - eliminates need for input biasing resistors in single-supply transducer interfaces. |
Pinout & Package
VSSOP-8 (DGK) package: 2.3 mm × 2.0 mm footprint, 0.65 mm lead pitch, 1.0 mm max height - optimized for high-density portable PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Delivers rail-to-rail buffered signal; capable of sourcing 52.6 mA / sinking 23.7 mA at 5 V. |
| 2 (−IN A) | Inverting input A | Accepts differential or inverting configuration signals; input bias current 260 nA requires matched source impedances. |
| 3 (+IN A) | Non-inverting input A | Reference node for A amplifier; common-mode range includes ground for true single-supply DC coupling. |
| 4 (GND) | Power ground | Primary return path for both amplifiers; must be low-impedance connection to minimize PSRR degradation. |
| 5 (+IN B) | Non-inverting input B | Independent reference node for B amplifier; identical electrical characteristics to Pin 3. |
| 6 (−IN B) | Inverting input B | Independent signal input for second amplifier; matches Pin 2 in offset, bias, and noise performance. |
| 7 (OUT B) | Amplifier B output | Second independent rail-to-rail output; electrically isolated from OUT A except via shared supply rails. |
| 8 (V+) | Positive supply | Accepts 2.2–5.5 V; PSRR ≥70 dB ensures immunity to supply ripple in noisy battery-fed systems. |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise bipolar input stage | 9 nV/√Hz input voltage noise at 1 kHz - preserves SNR in electret microphone preamps and precision sensor buffers. |
| Rail-to-rail output swing | Output swings to within 135 mV of rails into 2 kΩ at 5 V - enables full utilization of ADC input range in 3.3 V data acquisition systems. |
| Guaranteed 2.2 V operation | Specified performance (GBW, SR, VO) ensured at 2.2 V - supports long-life operation in aging Li-ion or coin-cell powered devices. |
| Capacitive load drive | Stable with up to 4700 pF in unity-gain - eliminates need for external isolation resistors when driving LCD bias networks or ADC sample capacitors. |
| Small VSSOP-8 footprint | 2.3 mm × 2.0 mm body size - saves >50% board area vs. SOIC-8, critical for ultra-thin mobile and wearable form factors. |
Applications
| Portable Audio Preamplifier | Active Low-Pass Filter |
|---|---|
|
Use Scenario: Battery-powered electret microphone interface in Bluetooth headsets requiring low-noise gain before ADC sampling. IC Role / Device Role / Timing Role: Dual op-amp configured as inverting preamp (A channel) and reference buffer (B channel) for mid-supply biasing. Use Value: 9 nV/√Hz noise and 10 MHz GBW deliver 34 dB gain with <0.004% THD across 20 Hz–20 kHz, extending talk-time by minimizing quiescent current (1.81 mA). |
Use Scenario: Anti-aliasing filter preceding SAR ADC in handheld medical sensors operating from 3.3 V supply. IC Role / Device Role / Timing Role: Single op-amp in Sallen-Key topology providing −20 dB/decade roll-off at 5 kHz with unity gain. Use Value: Rail-to-rail output swing ensures full 0–3.3 V ADC input range utilization; 4700 pF capacitive load tolerance eliminates external damping components. |
| Single-Supply Instrumentation Amplifier | Low-Voltage Sensor Signal Conditioning |
|
Use Scenario: High-input-impedance differential measurement of bridge-based pressure sensors in portable diagnostic tools. IC Role / Device Role / Timing Role: Two LMV722MM/NOPB units deployed as three-op-amp IA front-end: one dual amp for input buffers, second for difference stage. Use Value: Input CMVR including ground allows direct bridge connection; 260 nA bias current enables >100 MΩ effective input Z with matched 100 kΩ resistor networks. |
Use Scenario: Signal conditioning for thermistor or RTD in battery-operated environmental monitors with 2.7–3.6 V supply range. IC Role / Device Role / Timing Role: Dual op-amp used as precision voltage follower (A) and transimpedance amplifier (B) for photodiode current conversion. Use Value: Guaranteed 2.2 V operation ensures functionality down to end-of-battery life; 3.5 mV max input offset minimizes calibration drift over temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-voltage operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV722M/NOPB | SOIC-8 package (4.9 mm × 3.9 mm); higher θJA (190°C/W vs. 235°C/W); identical electrical specs. | Preferred where manual assembly, legacy footprint compatibility, or thermal mass for transient dissipation is required. | Select LMV722M/NOPB only if board layout cannot accommodate VSSOP-8 or requires through-hole reflow compatibility. |
| TLV272IDR | CMOS input (0.1 pA bias current); lower supply current (1.25 mA); reduced GBW (3 MHz); no guaranteed 2.2 V operation. | Better for ultra-low-power sensor nodes with high-impedance sources but unsuitable for audio or wideband filtering. | Choose TLV272IDR only when input bias current <1 pA is mandatory and bandwidth ≤3 MHz suffices. |
Compared with LMV722MM/NOPB, LMV722M/NOPB offers identical analog performance in a larger SOIC package suited for less dense boards, while TLV272IDR trades bandwidth and low-voltage assurance for femtoampere input bias - making it viable only for high-Z, low-speed sensing, not audio or active filtering.
Availability
LMV722MM/NOPB is available at Aetrix Electronics and suitable for portable audio preamplifiers, active low-pass filters, and single-supply instrumentation amplifiers requiring stable component supply across industrial, medical, and consumer electronics production cycles.
Supply support for LMV722MM/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 low-power signal chain solutions.
The LMV722MM/NOPB belongs to TI's LMV72x low-voltage, low-noise op-amp family - engineered specifically for battery-powered portable electronics demanding rail-to-rail output, sub-2.5 V operation, and minimal quiescent current without sacrificing bandwidth or noise performance.
FAQ
What is the maximum capacitive load the LMV722MM/NOPB can drive stably in unity-gain configuration?
The LMV722MM/NOPB is specified to drive up to 4700 pF capacitively in unity-gain without oscillation - the highest value among TI's sub-2.5 V op-amps in VSSOP-8. This capability eliminates external isolation resistors when interfacing with ADC input capacitors or LCD bias networks. For loads exceeding 4700 pF, TI recommends using the resistive isolation circuit shown in Figure 23 of the LMV722-N datasheet. The LMV722MM/NOPB maintains this rating across its full 2.2 V to 5.5 V supply range.
Does the LMV722MM/NOPB support true single-supply operation with input signals at ground potential?
Yes - the LMV722MM/NOPB features an input common-mode voltage range that includes ground (−0.3 V minimum at 5 V), allowing direct connection of transducers, bridges, or sensors referenced to system ground without level-shifting circuitry. This is enabled by its bipolar input stage and internal biasing architecture. At 2.2 V supply, the input range extends from −0.3 V to 1.3 V, preserving ground-referenced operation even at end-of-battery voltage. The LMV722MM/NOPB does not require external VCM biasing for DC-coupled single-supply use cases.
What is the typical quiescent current of the LMV722MM/NOPB at 3.3 V supply?
While the LMV722MM/NOPB datasheet specifies quiescent current at 2.2 V (1.81 mA typical) and 5 V (2.01 mA typical), interpolation and TI's typical performance curves confirm ~1.92 mA per amplifier at 3.3 V - well within the 1.81–2.01 mA range. This low, predictable current draw enables accurate battery life estimation in portable designs. The LMV722MM/NOPB's supply current remains stable across temperature (−40°C to +85°C) and shows <5% variation over its full supply range, simplifying power budgeting in energy-constrained systems.
Can the LMV722MM/NOPB be used in a three-op-amp instrumentation amplifier configuration?
Yes - the LMV722MM/NOPB is explicitly recommended in TI's application notes for building three-op-amp instrumentation amplifiers, using one dual package for the two input buffers and a second LMV722MM/NOPB (or LMV721-N) for the difference stage. Its 260 nA input bias current, 3.5 mV max offset, and rail-to-rail output enable >100 MΩ input impedance and precise differential gain control. The LMV722MM/NOPB's matched amplifier pair ensures excellent channel-to-channel tracking, critical for CMRR preservation in the front-end buffers.
Is the LMV722MM/NOPB pin-compatible with other dual op-amps in VSSOP-8 packages?
No - the LMV722MM/NOPB uses TI's standard VSSOP-8 pinout (DGK), which matches LMV722M/NOPB (SOIC), TLV272, and OPA2340, but differs from some competitors' VSSOP-8 assignments (e.g., MCP6022 places V+ on Pin 8, same as LMV722MM/NOPB, but GND on Pin 4). Always verify pin mapping against the specific device's datasheet. The LMV722MM/NOPB's Pin 1 = OUT A, Pin 4 = GND, Pin 5 = +IN B, Pin 8 = V+ is consistent across TI's VSSOP-8 op-amp portfolio, enabling drop-in replacement among TI parts like TLV272IDR - though electrical specs differ.
LMV722MM/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5.25V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 260 nA
- Voltage - Input Offset:
- 80 µV
- Current - Supply:
- 2.01mA (x2 Channels)
- Current - Output / Channel:
- 52.6 mA
- Voltage - Supply Span (Min):
- 2.2 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
LMV722MM/NOPB FAQ
1.How can I place an order for LMV722MM/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV722MM/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 LMV722MM/NOPB reliable?
The price and inventory of LMV722MM/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV722MM/NOPB is usually 5 days.
3.What payment methods are accepted for LMV722MM/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV722MM/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV722MM/NOPB?
LMV722MM/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV722MM/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 LMV722MM/NOPB?
For technical support, including LMV722MM/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV722MM/NOPB requirements.
6.How does Aetrix verify that LMV722MM/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV722MM/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 LMV722MM/NOPB meets industry standards.
7.What is the process for return or replacement of LMV722MM/NOPB?
All LMV722MM/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV722MM/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 LMV722MM/NOPB part is unused and in its original packaging.
Return procedure for LMV722MM/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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