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Texas Instruments LMV722M/NOPB
- Part No.:
- LMV722M/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMV722M/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,062
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Product details
Overview
LMV722M/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) operational amplifier with 10 MHz unity-gain bandwidth and 5.25 V/µs slew rate at 5 V supply. It delivers 930 µA/amplifier quiescent current at 2.2 V and supports heavy loads (600 Ω) with output swing within 120 mV of either rail - ideal for battery-powered microphone preamplifiers and portable active filters.
For engineers reviewing the LMV722M/NOPB datasheet, LMV722M/NOPB pinout, LMV722M/NOPB application, or LMV722M/NOPB equivalent, key selection criteria include its guaranteed 2.2 V operation, input common-mode range extending to ground, ±3.5 mV max input offset voltage over temperature, and SOIC-8 package compatibility with space-constrained industrial and consumer signal-conditioning designs.
Technical Context
The LMV722M/NOPB employs a bipolar input stage with BiCMOS process technology, enabling low input bias current (260 nA typical) and low input voltage noise (9 nV/√Hz at 1 kHz). Its rail-to-rail output stage uses complementary push-pull circuitry to achieve full dynamic range into 600 Ω loads at 2.2 V supply.
It operates across −40°C to +85°C junction temperature, supports single-supply configurations with input common-mode voltage down to −0.3 V (relative to V−), and maintains stable unity-gain performance with up to 4700 pF capacitive load without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.2 V to 5.5 V - enables direct integration into Li-ion (3.0–4.2 V) and alkaline (2×AA) battery systems without regulation. |
| Unity-Gain Bandwidth | 10 MHz - supports audio-band amplification (20 Hz–20 kHz) with >500× gain margin for stable filter design. |
| Slew Rate | 5.25 V/µs at 5 V - ensures <1% THD for 1 VPP signals up to ~800 kHz in unity-gain buffer applications. |
| Input Voltage Noise | 9 nV/√Hz at 1 kHz - critical for low-level sensor signal conditioning where noise floor dominates SNR. |
| Output Swing (600 Ω) | Within 120 mV of rails at 2.2 V - maximizes usable output voltage headroom in low-voltage single-supply systems. |
| Quiescent Current | 1.81 mA typical (dual) at 2.2 V - extends battery life in always-on portable electronics such as cordless phone handsets. |
| Input Offset Voltage | ±3.5 mV max over temperature - reduces DC error in precision DC-coupled gain stages without trimming. |
Pinout & Package
LMV722M/NOPB is packaged in an 8-pin SOIC (Package D, JEDEC MS-012), 3.91 mm × 4.90 mm × 1.45 mm body, with standard lead finish (Sn) and MSL Level-1 rating. Pin 1 is located at the top-left corner with notch or index mark on the package top edge.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Channel A) | Accepts feedback network input; requires matched impedance to non-inverting input to minimize bias-current-induced offset. |
| 2 | Non-Inverting Input (Channel A) | Reference node for Channel A; common-mode range includes ground - enables single-supply sensor interface. |
| 3 | Output (Channel A) | Rail-to-rail capable; drives 600 Ω loads to within 120 mV of supply rails at 2.2 V - preserves signal amplitude in low-voltage buffers. |
| 4 | V− (Ground/−VS) | Power return for both amplifiers; must be low-impedance path to minimize PSRR degradation and crosstalk. |
| 5 | Non-Inverting Input (Channel B) | Independent reference for Channel B; identical specs to Pin 2 - supports dual-channel instrumentation front-ends. |
| 6 | Inverting Input (Channel B) | Feedback node for Channel B; electrically isolated from Channel A - enables independent gain configuration per channel. |
| 7 | Output (Channel B) | Full rail-to-rail swing; shares V+ and V− with Channel A - allows dual op-amp functions (e.g., composite amplifier, dual-filter bank) in one footprint. |
| 8 | V+ (Supply) | Positive supply rail; accepts 2.2–5.5 V; internal ESD protection limits differential input voltage to ±supply - requires external clamping if inputs exceed rails. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers full dynamic range into 600 Ω at 2.2 V supply - eliminates need for level-shifting in low-voltage data acquisition. |
| Guaranteed 2.2 V operation | Specified performance down to 2.2 V - supports direct connection to aging batteries without brownout risk. |
| Low input voltage noise (9 nV/√Hz) | Enables high-fidelity amplification of microvolt-level signals from piezoelectric sensors or electret microphones. |
| Input common-mode range includes ground | Allows direct sensing of 0 V-referenced transducers (e.g., thermocouples, bridge sensors) in single-supply systems. |
| Capacitive load drive (4700 pF) | Stable unity-gain operation into heavy capacitive loads - simplifies LCD biasing or long-cable driving without isolation resistors. |
Applications
| Cellular & Cordless Phone Audio | Laptop/PDA Signal Conditioning |
|---|---|
|
Use Scenario: Amplifying weak electret microphone signals in compact handheld devices with limited PCB area and battery capacity. IC Role / Device Role / Timing Role: Dual-channel microphone preamplifier and active filter driver - Channel A handles mic gain, Channel B implements anti-aliasing LPF. Use Value: 930 µA/amplifier quiescent current extends talk-time; rail-to-rail output maximizes ADC input range at 3.3 V supply. |
Use Scenario: Buffering and scaling analog sensor outputs (e.g., ambient light, battery voltage) for integrated ADCs in portable computing platforms. IC Role / Device Role / Timing Role: Dual-input signal conditioner - one channel for sensor buffering, second for reference voltage scaling. Use Value: Input common-mode range including ground enables direct connection to shunt-based current monitors; 2.2 V min supply supports deep-sleep modes. |
| Battery-Powered Instrumentation | Active Filter for Portable Medical Devices |
|
Use Scenario: Building compact, low-power instrumentation amplifiers for wearable ECG or pulse oximetry front-ends. IC Role / Device Role / Timing Role: Core of three-op-amp IA topology - two LMV722M/NOPB units serve as input buffers, third as output stage. Use Value: Low input bias current (260 nA) minimizes electrode interface error; 10 MHz GBW supports >100 dB CMRR at 60 Hz with precision resistor matching. |
Use Scenario: Implementing 2nd-order low-pass filtering in portable ultrasound or hearing aid signal chains requiring low distortion and minimal power. IC Role / Device Role / Timing Role: Active filter op-amp in Sallen-Key configuration - provides programmable cutoff frequency and gain control. Use Value: 0.001% THD at 1 kHz ensures clean audio reproduction; 4700 pF capacitive load tolerance simplifies ceramic filter capacitor selection. |
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 |
|---|---|---|---|
| LMV722MM/NOPB | VSSOP-8 package (3.0 mm × 3.0 mm), same electrical specs; 235°C/W θJA vs. SOIC's 190°C/W. | Better suited for ultra-compact layouts where board area is constrained but thermal margin is acceptable. | Select LMV722MM/NOPB when footprint reduction outweighs thermal derating needs in space-limited designs. |
| TLV272IDR | Lower quiescent current (550 µA/amplifier), but reduced GBW (3 MHz) and higher input noise (17 nV/√Hz). | Preferred for ultra-low-power standby circuits where bandwidth and noise are secondary to current draw. | Choose TLV272IDR only when system-level power budget is tighter than 1.8 mA and 10 MHz bandwidth is unnecessary. |
Compared with LMV722M/NOPB, LMV722MM/NOPB offers identical performance in a smaller footprint at the cost of higher thermal resistance, while TLV272IDR trades bandwidth and noise performance for lower supply current - making LMV722M/NOPB optimal for balanced audio and precision signal-path applications demanding both speed and fidelity.
Availability
LMV722M/NOPB is available at Aetrix Electronics and suitable for cellular phone audio subsystems, laptop sensor interfaces, and portable medical device signal chains requiring stable component supply across extended production lifecycles.
Supply support for LMV722M/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 amplifiers and low-power signal-chain solutions.
The LMV722M/NOPB belongs to TI's LMV72x low-voltage op-amp family, engineered for high-performance, battery-operated portable electronics where rail-to-rail output, low noise, and guaranteed 2.2 V operation are essential.
FAQ
What is the minimum supply voltage for reliable operation of the LMV722M/NOPB?
The LMV722M/NOPB is fully specified and guaranteed to operate from 2.2 V to 5.5 V. At 2.2 V, it maintains 10 MHz unity-gain bandwidth, 930 µA/amplifier quiescent current, and rail-to-rail output swing within 120 mV of either rail into 600 Ω - making LMV722M/NOPB suitable for direct connection to partially discharged alkaline or Li-ion cells without regulation.
Does the LMV722M/NOPB support rail-to-rail input operation?
No, the LMV722M/NOPB features rail-to-rail *output* swing but not rail-to-rail input. Its input common-mode voltage range extends from −0.3 V below V− to +1.3 V above V− at 2.2 V supply (or to +4.1 V at 5 V), which includes ground but does not reach the positive rail. This allows single-supply interfacing with grounded sensors while requiring biasing networks for signals near V+.
Can the LMV722M/NOPB drive capacitive loads without oscillation?
Yes, the LMV722M/NOPB is stable driving up to 4700 pF in unity-gain configuration - verified in TI's datasheet Figure 23 and application notes. This capability eliminates external isolation resistors in LCD biasing, cable driving, or ceramic-filter applications. For loads exceeding 4700 pF, TI recommends using the resistive-isolation circuit shown in Figure 23 of the LMV722M/NOPB datasheet.
What is the maximum output current capability of the LMV722M/NOPB?
At 2.2 V supply, LMV722M/NOPB delivers ±10 mA minimum output current (sourcing and sinking) with VO = ±0.5 V differential input. At 5 V supply, it provides ±25 mA sourcing and ±15 mA sinking minimum. These values ensure robust drive into 600 Ω loads and moderate-current sensor excitation - confirmed in Section 2.2V and 5V DC Electrical Characteristics tables of the LMV722M/NOPB datasheet.
Is the LMV722M/NOPB pin-compatible with other dual op-amps in SOIC-8 packages?
LMV722M/NOPB follows standard SOIC-8 pinout (Pin 1 = Inverting Input A, Pin 2 = Non-Inverting Input A, etc.) and is functionally compatible with industry-standard dual op-amps like TL072 or LM358 in basic configurations. However, due to differences in input stage (bipolar vs. JFET vs. CMOS), supply range, and rail-to-rail capability, direct replacement requires verification of input bias current, common-mode range, and output swing requirements in the target circuit - LMV722M/NOPB is not a drop-in substitute without design review.
LMV722M/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- 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-SOIC
LMV722M/NOPB FAQ
1.How can I place an order for LMV722M/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV722M/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 LMV722M/NOPB reliable?
The price and inventory of LMV722M/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV722M/NOPB is usually 5 days.
3.What payment methods are accepted for LMV722M/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV722M/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV722M/NOPB?
LMV722M/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV722M/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 LMV722M/NOPB?
For technical support, including LMV722M/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV722M/NOPB requirements.
6.How does Aetrix verify that LMV722M/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV722M/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 LMV722M/NOPB meets industry standards.
7.What is the process for return or replacement of LMV722M/NOPB?
All LMV722M/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV722M/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 LMV722M/NOPB part is unused and in its original packaging.
Return procedure for LMV722M/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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