My Inquiry
My Account
Texas Instruments LM2902DRG4
- Part No.:
- LM2902DRG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM2902DRG4.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,184
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LM2902DRG4 from Texas Instruments is a quad operational amplifier optimized for single-supply operation, featuring rail-to-rail input (V– to V+ – 1.5 V), ±3 mV max input offset voltage at 25°C, 1.2 MHz gain-bandwidth product, and 240 µA per amplifier quiescent current. It serves as a precision signal conditioning and level-shifting IC in industrial power supplies and embedded control interfaces.
For engineers reviewing the LM2902DRG4 datasheet, LM2902DRG4 pinout, LM2902DRG4 application, or LM2902DRG4 equivalent, this page delivers verified electrical specs, SOIC-14 package layout, real-world use cases in AC inverters and UPS systems, and two validated alternative parts with documented functional and thermal differences.
Technical Context
The LM2902DRG4 implements four independent high-voltage op amps in a single monolithic IC, each with unity-gain stability, common-mode input range extending to the negative rail, and output swing within 1.5 V of the positive rail (at –50 µA load). Its internal architecture supports robust EMI rejection via integrated RF filtering and operates across –40°C to +125°C ambient temperature.
It is electrically compatible with legacy LM2902 variants but improves on key parameters: enhanced ESD rating (2 kV HBM), tighter offset voltage (±3 mV max vs. ±7 mV in standard LM2902), and extended supply range (3 V to 36 V) - enabling direct replacement in cost-sensitive industrial analog front-ends without circuit redesign.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 36 V - supports wide-input industrial power rails and battery-backed systems without external regulators. |
| Input Offset Voltage (max) | ±3 mV at 25°C - enables accurate DC-coupled sensing in 12-bit ADC interfaces without trimming. |
| Gain-Bandwidth Product | 1.2 MHz - sufficient for closed-loop gain ≤100 at 10 kHz signals in motor current feedback paths. |
| Quiescent Current (per amp) | 240 µA typical - allows four-channel amplification in low-power IoT sensor nodes with <1 mA total analog subsystem draw. |
| Common-Mode Input Range | V– to (V+) – 1.5 V - permits direct interface to ground-referenced sensors (e.g., thermistors, shunt monitors) in single-supply designs. |
| Output Voltage Swing | Within 1.5 V of V+ and 150 mV of V– at 1 mA load - ensures reliable logic-level interfacing with microcontrollers and comparators. |
| ESD Rating (HBM) | 2 kV - meets IEC 61000-4-2 Level 2 for board-level surge immunity in factory automation equipment. |
Pinout & Package
LM2902DRG4 is housed in a 14-pin SOIC (D) package measuring 8.65 mm × 6 mm, with standard JEDEC MS-012AC footprint and gull-wing leads. Thermal resistance RθJA is 99.3°C/W, supporting up to 300 mW dissipation at 25°C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 6, 12 | Amplifier Inputs (+) | Non-inverting inputs for channels 1–4; accept signals down to V– (ground in single-supply mode). |
| 2, 6, 9, 13 | Amplifier Inputs (–) | Inverting inputs for channels 1–4; support differential configurations and active filters. |
| 1, 7, 8, 14 | Amplifier Outputs | Push-pull outputs capable of sourcing/sinking ±20 mA; drive 10 kΩ loads with <1.5 V headroom to rails. |
| 4 | VCC+ | Positive supply terminal - connects to main system rail (3–36 V); decoupling capacitor required. |
| 11 | VCC– | Negative supply or ground reference - enables true single-supply operation with rail-to-rail input capability. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input common-mode range | Extends to V–, eliminating need for level-shifting networks when interfacing with grounded sensors. |
| Integrated EMI/RF filter | Reduces susceptibility to 30–1000 MHz noise in motor-drive and switching-power environments. |
| Low input bias current (≤35 nA) | Minimizes voltage error in high-impedance transducer circuits (e.g., pH probes, photodiode amps). |
| Unity-gain stable | Enables direct use in voltage followers and active filters without external compensation components. |
| Drop-in replacement for LM2902 | Shares identical pinout, footprint, and basic electrical behavior - simplifies BOM upgrades in legacy designs. |
Applications
| Industrial Power Supply Monitoring | Motor Drive Current Sensing |
|---|---|
Use Scenario: Real-time monitoring of +12 V and +24 V rails in server PSUs and telecom rectifiers. IC Role / Device Role / Timing Role: Quad op amp configured as four independent voltage comparators and error amplifiers in feedback loops. Use Value: ±3 mV offset ensures <0.1% full-scale error in 12-bit ADC-based monitoring, reducing calibration overhead. | Use Scenario: Amplifying mV-level shunt resistor voltages in 3-phase inverter gate drivers. IC Role / Device Role / Timing Role: Four-channel current-sense amplifier with matched gain and offset across phases. Use Value: 1.2 MHz GBW supports bandwidth >100 kHz for fast overcurrent detection before IGBT damage occurs. |
| Uninterruptible Power Supply (UPS) Control | Home Appliance Motor Control |
Use Scenario: Battery voltage regulation, charger status indication, and AC fail detection in line-interactive UPS units. IC Role / Device Role / Timing Role: Signal conditioner for battery SOC estimation and relay driver interface logic. Use Value: –40°C to +125°C operating range ensures reliability in sealed UPS enclosures with passive thermal management. | Use Scenario: Speed and torque feedback conditioning in washing machine drum motors and HVAC blower fans. IC Role / Device Role / Timing Role: Analog front-end for hall-effect rotor position sensing and current loop stabilization. Use Value: 240 µA per amplifier quiescent current enables always-on motor state monitoring without draining backup batteries. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2902DT | Same SOIC-14 package; ±7 mV max offset voltage; rated for 0°C to +70°C only. | Limited to commercial-grade applications; unsuitable for automotive or industrial ambient extremes. | Select LM2902DT only for cost-driven consumer electronics where temperature range and precision are secondary. |
| LM2902VDR2G | SOIC-14; ±2 mV max offset (BA version); 3 V to 36 V supply; –40°C to +125°C rating. | Higher precision and same temperature grade - ideal for upgraded sensor signal chains requiring tighter DC accuracy. | Choose LM2902VDR2G when offset drift and long-term stability outweigh incremental cost in critical feedback loops. |
Compared with LM2902DT, LM2902DRG4 offers superior temperature range and offset performance at no PCB layout change; versus LM2902VDR2G, it trades 1 mV offset tolerance for broader availability and lower unit cost in volume production.
Availability
LM2902DRG4 is available at Aetrix Electronics and suitable for industrial power supplies, motor control systems, and uninterruptible power supplies requiring stable component supply and long-term lifecycle support.
Supply support for LM2902DRG4 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 industrial-grade signal conditioning ICs.
The LM2902 product line delivers cost-optimized, high-voltage quad op amps designed for rugged industrial applications including power conversion, motor control, and sensor interfacing - emphasizing reliability, wide temperature operation, and drop-in compatibility.
FAQ
What is the maximum operating temperature for LM2902DRG4?
The LM2902DRG4 is specified for operation from –40°C to +125°C ambient temperature, making it suitable for under-hood automotive modules and industrial motor drives where thermal stress is significant. This rating matches the LM2902B family and exceeds legacy LM2902 versions limited to 0°C–70°C or –40°C–85°C.
Does LM2902DRG4 support rail-to-rail output swing?
No, LM2902DRG4 does not provide rail-to-rail output swing. Its output can swing within 1.5 V of the positive rail (V+) and 150 mV of the negative rail (V–) at 1 mA load. For true rail-to-rail output, consider TI's TLV2464 or similar modern alternatives - LM2902DRG4 prioritizes high-voltage operation and cost efficiency over full rail compliance.
Can LM2902DRG4 replace LM2902 in existing designs?
Yes, LM2902DRG4 is a drop-in replacement for standard LM2902 devices in SOIC-14 packages. It shares identical pinout, footprint, and basic electrical behavior while improving ESD rating (2 kV HBM), offset voltage (±3 mV vs. ±7 mV), and temperature range (–40°C to +125°C). No PCB changes are required for migration.
What is the typical quiescent current per amplifier in LM2902DRG4?
The typical quiescent current per amplifier in LM2902DRG4 is 240 µA at 5 V supply and –40°C to +125°C ambient temperature. At 36 V supply, it rises to 350 µA (typical), remaining well below 1 mA total for all four amplifiers - enabling efficient use in always-on industrial monitoring circuits.
Is LM2902DRG4 suitable for single-supply operation?
Yes, LM2902DRG4 is explicitly designed for single-supply operation. Its common-mode input voltage range extends to the negative rail (V–), and its output can swing close to V– (150 mV at 1 mA), allowing direct interfacing with ground-referenced sensors and microcontroller ADCs without dual supplies or level shifters.
LM2902DRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 0.5V/µs
- Gain Bandwidth Product:
- 1.2 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 20 nA
- Voltage - Input Offset:
- 3 mV
- Current - Supply:
- 1.4mA (x4 Channels)
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 26 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
LM2902DRG4 FAQ
1.How can I place an order for LM2902DRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for LM2902DRG4 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 LM2902DRG4 reliable?
The price and inventory of LM2902DRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM2902DRG4 is usually 5 days.
3.What payment methods are accepted for LM2902DRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM2902DRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM2902DRG4?
LM2902DRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM2902DRG4 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 LM2902DRG4?
For technical support, including LM2902DRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM2902DRG4 requirements.
6.How does Aetrix verify that LM2902DRG4 is sourced from the original manufacturer or authorized distributors?
All LM2902DRG4 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 LM2902DRG4 meets industry standards.
7.What is the process for return or replacement of LM2902DRG4?
All LM2902DRG4 units undergo pre-shipment inspection (PSI). If there is an issue with LM2902DRG4, 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 LM2902DRG4 part is unused and in its original packaging.
Return procedure for LM2902DRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM2902DRG4 Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
