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Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

Texas Instruments LMV712IDGSTG4

Name: LMV712IDGSTG4
Brand: Texas Instruments
SKU: LMV712IDGSTG4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LMV712IDGSTG4

Manufacturer:: Texas Instruments

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Datasheet:: LMV712IDGSTG4.pdf

Description:: IC OPAMP GP 2 CIRCUIT 10VSSOP

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Product details

Overview

LMV712IDGSTG4 from Texas Instruments is a dual rail-to-rail input/output (RRIO) operational amplifier with independent shutdown control per channel, 5-MHz gain bandwidth, 5-V/μs slew rate, and 20-nV/√Hz input voltage noise-designed for low-power, low-noise signal conditioning in portable wireless receivers.

For engineers reviewing the LMV712IDGSTG4 datasheet, LMV712IDGSTG4 pinout, LMV712IDGSTG4 application, or LMV712IDGSTG4 equivalent, this device supports precision DC-coupled amplification, battery-powered sensor interfaces, and fast-turn-on analog front-ends where supply current below 1.7 mA/channel and sub-3-mV offset are critical selection criteria.

Technical Context

The LMV712IDGSTG4 integrates two independent BiCMOS op-amps with separate shutdown pins (1SD, 2SD), enabling selective channel disablement to reduce total ICC to ≤1.5 μA while maintaining fast 2.2–4.6 μs turn-on time. Each amplifier features unity-gain stability and drives capacitive loads up to 200 pF without compensation.

Its RRIO architecture supports full-swing operation from 2.7 V to 5 V supplies, with CMVR extending to within 300 mV of rails and output swing to within 120 mV of rails (RL = 600 Ω). Input bias current is ultra-low at 5.5 pA (typ), and PSRR/CMRR exceed 70 dB across temperature.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain Bandwidth Product	5 MHz - enables stable closed-loop operation up to ~400 kHz at G = +10 without phase margin degradation.
Slew Rate	5 V/μs - supports clean 100-kHz, 2-Vpp sine wave output with <1% distortion at 2.7 V supply.
Input Voltage Noise	20 nV/√Hz @ 1 kHz - preserves SNR in microphone preamp and sensor signal chains with <100-μV RMS integrated noise over 20 Hz–20 kHz.
Supply Current per Channel	1.22 mA (typ) - allows dual-channel operation on coin-cell or single-Li-ion sources with <2.5 mA total active current.
Input Offset Voltage	≤3 mV (max) - ensures ≤15 mV error in 5-V full-scale 12-bit ADC driver applications without trimming.
Rail-to-Rail I/O	CMVR: –0.3 V to VCC+0.3 V; VO swing: within 120 mV of rails (RL = 600 Ω) - maximizes dynamic range in single-supply systems.
Shutdown Current	1.5 μA (typ) - reduces system standby power by >99% versus active mode, critical for duty-cycled IoT sensors.

Pinout & Package

LMV712IDGSTG4 is packaged in a 10-pin MSOP (DGS) with 0.5-mm pitch, 3.0 × 3.0 mm footprint, and exposed thermal pad (not electrically connected). Pin 1 is marked with a dot; device orientation follows JEDEC MO-187 standard.

Pin/Terminal	Circuit Role	Design Meaning
1	1IN+	Non-inverting input of Channel 1 - high-impedance node (Zin > 10¹² Ω) for precision sensor or reference buffering.
2	1IN−	Inverting input of Channel 1 - matched to Pin 1 for common-mode rejection; accepts differential or single-ended feedback.
3	1OUT	Output of Channel 1 - capable of ±50 mA short-circuit current and driving 600-Ω loads to rail.
4	VCC−	Negative supply rail (GND when single-supply) - must be decoupled locally with 100 nF ceramic capacitor.
5	1SD	Channel 1 shutdown control - logic-high (>4.5 V @ VCC = 5 V) disables amplifier; <0.8 V enables operation.
6	2SD	Channel 2 shutdown control - independent of Pin 5, enabling asymmetric power management in multi-stage signal paths.
7	2IN−	Inverting input of Channel 2 - electrically isolated from Channel 1; no crosstalk specified beyond 80 dB at 1 kHz.
8	2IN+	Non-inverting input of Channel 2 - identical input structure to Pin 1; supports matched dual-path configurations.
9	2OUT	Output of Channel 2 - fully buffered; maintains same drive strength and settling behavior as Pin 3.
10	VCC+	Positive supply rail (2.7–5 V) - connects to main system rail; internal ESD protection rated to 1500 V HBM.

Key Features

Feature	Design Value
Independent per-channel shutdown	Enables dynamic power scaling: disable unused channel to cut ICC by >99%, reducing heat and extending battery life in burst-mode systems.
Rail-to-rail input and output	Supports full utilization of 2.7–5 V supply range - eliminates level-shifting ICs in single-supply data acquisition and audio line drivers.
Low 20-nV/√Hz input voltage noise	Preserves signal integrity in low-level transducer interfaces (e.g., piezoelectric sensors, thermopiles) without requiring external filtering.
5-V/μs slew rate with 5-MHz GBW	Delivers fast transient response for pulse-amplification tasks (e.g., ultrasonic echo conditioning) while maintaining stability on PCB traces.
1.22-mA/channel supply current	Permits dual-opamp integration in space-constrained portable designs (e.g., Bluetooth earbuds, wearable health monitors) without thermal derating.
Sub-3-mV input offset voltage	Reduces calibration overhead in factory-trimmed systems - enables direct connection to 12-bit SAR ADCs without zero-error correction circuitry.

Applications

Wireless LAN Front-End	Portable Medical Sensor Interface
Use Scenario: Amplifying weak IF signals (2.4 GHz band downconverted to baseband) before digitization in Wi-Fi client devices. IC Role / Device Role / Timing Role: Dual-channel baseband amplifier - one channel for I-path, one for Q-path - with matched gain and phase to preserve quadrature integrity. Use Value: 5-MHz GBW and 5-V/μs slew rate support clean reconstruction of 2-MHz OFDM symbols; RRIO operation maximizes ADC dynamic range from 3.3-V supply.	Use Scenario: Conditioning analog outputs from ECG electrodes and photoplethysmography (PPG) sensors in wrist-worn monitors. IC Role / Device Role / Timing Role: Low-noise instrumentation amplifier front-end - first gain stage with selectable shutdown during motion artifact detection intervals. Use Value: 20-nV/√Hz noise floor ensures ≥90-dB SNR for microvolt-level biopotentials; 1.22-mA/channel ICC extends battery life to >7 days in continuous monitoring mode.
Cellular Phone Power Amplifier Control	Cordless Phone Audio Codec Interface
Use Scenario: Closed-loop bias control of RF power amplifier (PA) drain current using feedback from current-sense resistor. IC Role / Device Role / Timing Role: Precision current-to-voltage converter and comparator driver - converts PA bias error into correction voltage with minimal latency. Use Value: ≤3-mV VOS ensures <±1% PA output power error across temperature; 2.2-μs turn-on time enables rapid PA enable/disable during TDMA slot transitions.	Use Scenario: Driving analog inputs of stereo audio codec (e.g., TI PCM3002) in DECT cordless handsets with 3.3-V supply. IC Role / Device Role / Timing Role: Line driver and anti-alias filter buffer - provides low-distortion, rail-to-rail output swing into 10-kΩ codec inputs. Use Value: RRIO output swing delivers full 3.3-Vpp signal to codec; 5-V/μs slew rate prevents slew-induced THD in 20-kHz audio band.

Wireless LAN Front-End

Portable Medical Sensor Interface

Use Scenario: Amplifying weak IF signals (2.4 GHz band downconverted to baseband) before digitization in Wi-Fi client devices.

IC Role / Device Role / Timing Role: Dual-channel baseband amplifier - one channel for I-path, one for Q-path - with matched gain and phase to preserve quadrature integrity.

Use Value: 5-MHz GBW and 5-V/μs slew rate support clean reconstruction of 2-MHz OFDM symbols; RRIO operation maximizes ADC dynamic range from 3.3-V supply.

Use Scenario: Conditioning analog outputs from ECG electrodes and photoplethysmography (PPG) sensors in wrist-worn monitors.

IC Role / Device Role / Timing Role: Low-noise instrumentation amplifier front-end - first gain stage with selectable shutdown during motion artifact detection intervals.

Use Value: 20-nV/√Hz noise floor ensures ≥90-dB SNR for microvolt-level biopotentials; 1.22-mA/channel ICC extends battery life to >7 days in continuous monitoring mode.

Cellular Phone Power Amplifier Control

Cordless Phone Audio Codec Interface

Use Scenario: Closed-loop bias control of RF power amplifier (PA) drain current using feedback from current-sense resistor.

IC Role / Device Role / Timing Role: Precision current-to-voltage converter and comparator driver - converts PA bias error into correction voltage with minimal latency.

Use Value: ≤3-mV VOS ensures <±1% PA output power error across temperature; 2.2-μs turn-on time enables rapid PA enable/disable during TDMA slot transitions.

Use Scenario: Driving analog inputs of stereo audio codec (e.g., TI PCM3002) in DECT cordless handsets with 3.3-V supply.

IC Role / Device Role / Timing Role: Line driver and anti-alias filter buffer - provides low-distortion, rail-to-rail output swing into 10-kΩ codec inputs.

Use Value: RRIO output swing delivers full 3.3-Vpp signal to codec; 5-V/μs slew rate prevents slew-induced THD in 20-kHz audio band.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual RRIO op-amp applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
LMV722IDGSR	Same DGS package, but higher 10-MHz GBW and 10-V/μs slew rate; 1.6-mA/channel ICC; 12-nV/√Hz noise.	Better suited for higher-frequency signal chains (e.g., 5-MHz active filters), but consumes 30% more supply current.	Select LMV722IDGSR only if bandwidth >5 MHz is required; LMV712IDGSTG4 remains optimal for sub-5-MHz, ultra-low-power use cases.
MCP6002T-I/MS	6-pin SOT-23-6 package (no shutdown pins); 1-MHz GBW; 0.6-V/μs slew rate; 0.4-μA/channel ICC; 25-μV offset max.	Targeted at cost-sensitive, low-speed applications (e.g., simple comparators, battery monitors) with no need for fast turn-on or dual independent shutdown.	Choose MCP6002T-I/MS for static, low-bandwidth roles where shutdown control and speed are unnecessary; LMV712IDGSTG4 is mandatory for dynamic power management.

Compared with LMV722IDGSR and MCP6002T-I/MS, LMV712IDGSTG4 uniquely balances 5-MHz bandwidth, independent shutdown, and sub-1.3-mA/channel current - making it the only option among the three that meets simultaneous requirements for fast wake-up, rail-to-rail swing, and <2-mA total active power in portable RF/analog systems.

Availability

LMV712IDGSTG4 is available at Aetrix Electronics and suitable for cellular phone power control loops, portable medical sensor interfaces, and wireless LAN baseband amplification requiring stable component supply, RoHS-compliant green packaging, and MSL Level-1 moisture sensitivity rating.

Supply support for LMV712IDGSTG4 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 energy efficiency, reliability, and system integration.

The LMV712IDGSTG4 belongs to TI's low-power precision op-amp product line, engineered specifically for battery-operated portable electronics demanding rail-to-rail performance, low noise, and intelligent power management via independent shutdown.

FAQ

What is the maximum capacitive load the LMV712IDGSTG4 can drive without oscillation?

The LMV712IDGSTG4 is specified to drive capacitive loads up to 200 pF while maintaining stability and phase margin ≥60°, as verified in the datasheet's open-loop frequency response plots. This capability eliminates the need for external isolation resistors in most PCB layout scenarios, including direct connection to ADC input capacitors or long traces in handheld devices. LMV712IDGSTG4 achieves this through internal compensation optimized for unity-gain stability across its 2.7–5 V operating range.

Does the LMV712IDGSTG4 support true rail-to-rail input common-mode voltage range?

Yes, the LMV712IDGSTG4 supports a common-mode input voltage range from VCC− − 0.3 V to VCC+ + 0.3 V - meaning it accepts inputs down to 300 mV below ground and up to 300 mV above VCC+ in single-supply configurations. This is confirmed in the Electrical Characteristics table under "Common-mode voltage range" (CMVR), with typical values of –0.2 V to 2.9 V at 2.7 V supply and –0.2 V to 5.3 V at 5 V supply. LMV712IDGSTG4 uses complementary input pairs to achieve this extended range without phase reversal.

What is the typical turn-on time from shutdown for the LMV712IDGSTG4?

The LMV712IDGSTG4 has a typical turn-on time of 2.2 μs at VCC = 2.7 V and 1.6 μs at VCC = 5 V, measured from SD pin transition to 90% of final output voltage. This fast wake-up is enabled by internal bias recovery circuitry that avoids output glitches during activation. The datasheet specifies maximum turn-on times of 4.6 μs (2.7 V) and 4.6 μs (5 V), ensuring predictable timing in time-critical applications like TDMA burst transmission. LMV712IDGSTG4 maintains this performance across –40°C to 85°C.

Is the LMV712IDGSTG4 pin-compatible with other devices in the LMV7xx family?

No, LMV712IDGSTG4 is not pin-compatible with other LMV7xx variants such as LMV721 or LMV722 in the DGS package - although all share the same 10-pin MSOP outline, pin functions differ significantly. For example, LMV722 lacks dedicated shutdown pins (1SD/2SD) and repurposes Pins 5 and 6 as NC and V–, respectively. Substituting without schematic and layout review will cause functional failure. LMV712IDGSTG4's unique pinout is defined in the "DGS PACKAGE (TOP VIEW)" diagram on page 1 of the datasheet.

What is the input bias current specification for the LMV712IDGSTG4?

The LMV712IDGSTG4 features ultra-low input bias current of 5.5 pA (typical) and 130 pA (maximum) over –40°C to 85°C, achieved via BiCMOS input stage design. This value is measured with VCM = 1.35 V at 2.7 V supply and remains stable across common-mode voltage range due to matched P/N input transistor geometry. Such low IIB minimizes voltage errors in high-impedance sensor interfaces (e.g., pH electrodes, photodiode transimpedance stages) where leakage currents would otherwise dominate signal accuracy. LMV712IDGSTG4 maintains this performance without requiring external guard rings or special PCB layout.

LMV712IDGSTG4 Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: LMV®

Package/Case:: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Amplifier Type:: General Purpose

Number of Circuits:: 2

Output Type:: Rail-to-Rail

Slew Rate:: 5V/µs

Gain Bandwidth Product:: 5 MHz

-3db Bandwidth:: -

Current - Input Bias:: 5.5 pA

Voltage - Input Offset:: 400 µV

Current - Supply:: 1.17mA (x2 Channels)

Current - Output / Channel:: 50 mA

Voltage - Supply Span (Min):: 2.7 V

Voltage - Supply Span (Max):: 5.5 V

Operating Temperature:: -40°C ~ 85°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 10-VSSOP

LMV712IDGSTG4 FAQ

1.How can I place an order for LMV712IDGSTG4 through Aetrix?

Please submit a Request for Quotation (RFQ) for LMV712IDGSTG4 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 LMV712IDGSTG4 reliable?

The price and inventory of LMV712IDGSTG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV712IDGSTG4 is usually 5 days.

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We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV712IDGSTG4 transactions.

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4.How is shipping managed for LMV712IDGSTG4?

LMV712IDGSTG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LMV712IDGSTG4 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 LMV712IDGSTG4?

For technical support, including LMV712IDGSTG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV712IDGSTG4 requirements.

6.How does Aetrix verify that LMV712IDGSTG4 is sourced from the original manufacturer or authorized distributors?

All LMV712IDGSTG4 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 LMV712IDGSTG4 meets industry standards.

7.What is the process for return or replacement of LMV712IDGSTG4?

All LMV712IDGSTG4 units undergo pre-shipment inspection (PSI). If there is an issue with LMV712IDGSTG4, 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 LMV712IDGSTG4 part is unused and in its original packaging.

Return procedure for LMV712IDGSTG4:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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