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LM2904B-Q1 ACTIVE Automotive-grade, dual, 36-V, 1.2-MHz operational amplifier with -40°C to 125°C operation This device is a pin-to-pin upgrade with improved performance and pricing

Product details

Number of channels (#) 2 Total supply voltage (Max) (+5V=5, +/-5V=10) 26 Total supply voltage (Min) (+5V=5, +/-5V=10) 3 Rail-to-rail In to V- GBW (Typ) (MHz) 0.7 Slew rate (Typ) (V/us) 0.3 Vos (offset voltage @ 25 C) (Max) (mV) 7 Iq per channel (Typ) (mA) 0.35 Vn at 1 kHz (Typ) (nV/rtHz) 40 Rating Automotive Operating temperature range (C) -40 to 125 Offset drift (Typ) (uV/C) 7 Features Input bias current (Max) (pA) 250000 CMRR (Typ) (dB) 80 Output current (Typ) (mA) 30 Architecture Bipolar
Number of channels (#) 2 Total supply voltage (Max) (+5V=5, +/-5V=10) 26 Total supply voltage (Min) (+5V=5, +/-5V=10) 3 Rail-to-rail In to V- GBW (Typ) (MHz) 0.7 Slew rate (Typ) (V/us) 0.3 Vos (offset voltage @ 25 C) (Max) (mV) 7 Iq per channel (Typ) (mA) 0.35 Vn at 1 kHz (Typ) (nV/rtHz) 40 Rating Automotive Operating temperature range (C) -40 to 125 Offset drift (Typ) (uV/C) 7 Features Input bias current (Max) (pA) 250000 CMRR (Typ) (dB) 80 Output current (Typ) (mA) 30 Architecture Bipolar
SOIC (D) 8 19 mm² 3.91 x 4.9 SOIC (D) 8 19 mm² 4.9 x 3.9 TSSOP (PW) 8 19 mm² 3 x 6.4
  • AEC Q-100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C
    • Device HBM ESD classification 2
    • Device CDM ESD classification C5
  • Wide supply range of 3 V to 36 V (LM2904B-Q1 and LM2904BA-Q1)
  • Supply-current of 300 µA per channel (LM2904B-Q1 and LM2904BA-Q1, typical)
  • Unity-gain bandwidth of 1.2 MHz (LM2904B-Q1 and LM2904BA-Q1)
  • Common-mode input voltage range includes ground, enabling direct sensing near ground
  • Low input offset voltage of 2 mV at 25°C (LM2904BA-Q1, maximum)
  • Low input offset voltage of 3 mV at 25°C (LM2904B-Q1, maximum)
  • Internal RF and EMI filter (LM2904B-Q1 and LM2904BA-Q1)
  • Functional Safety-Capable
  • AEC Q-100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C
    • Device HBM ESD classification 2
    • Device CDM ESD classification C5
  • Wide supply range of 3 V to 36 V (LM2904B-Q1 and LM2904BA-Q1)
  • Supply-current of 300 µA per channel (LM2904B-Q1 and LM2904BA-Q1, typical)
  • Unity-gain bandwidth of 1.2 MHz (LM2904B-Q1 and LM2904BA-Q1)
  • Common-mode input voltage range includes ground, enabling direct sensing near ground
  • Low input offset voltage of 2 mV at 25°C (LM2904BA-Q1, maximum)
  • Low input offset voltage of 3 mV at 25°C (LM2904B-Q1, maximum)
  • Internal RF and EMI filter (LM2904B-Q1 and LM2904BA-Q1)
  • Functional Safety-Capable

The LM2904-Q1, LM2904B-Q1, and LM2904BA-Q1 are industry-standard operational amplifiers that have been qualified for automotive use in accordance to the AEC-Q100 specifications. The LM2904B-Q1 and LM2904BA-Q1 are the next-generation versions of the LM2904-Q1, which include two high-voltage (36 V) operational amplifiers (op amps). The LM2904B-Q1 and LM2904BA-Q1 provide outstanding value for cost-sensitive applications, with features including low offset (3 mV and 2 mV maximum, respectively), common-mode input range to ground, and high differential input voltage capability.

The LM2904B-Q1 and LM2904BA-Q1 simplify circuit design with enhanced features such as unity-gain stability, lower offset voltage of 0.3 mV (typical), and lower quiescent current of 300 µA (typical). High ESD (2 kV, HBM) and integrated EMI and RF filters enable the LM2904B-Q1 and LM2904BA-Q1 devices to be used in the most rugged, environmentally challenging applications for the automotive marketplace.

The LM2904-Q1, LM2904B-Q1, and LM2904BA-Q1 are industry-standard operational amplifiers that have been qualified for automotive use in accordance to the AEC-Q100 specifications. The LM2904B-Q1 and LM2904BA-Q1 are the next-generation versions of the LM2904-Q1, which include two high-voltage (36 V) operational amplifiers (op amps). The LM2904B-Q1 and LM2904BA-Q1 provide outstanding value for cost-sensitive applications, with features including low offset (3 mV and 2 mV maximum, respectively), common-mode input range to ground, and high differential input voltage capability.

The LM2904B-Q1 and LM2904BA-Q1 simplify circuit design with enhanced features such as unity-gain stability, lower offset voltage of 0.3 mV (typical), and lower quiescent current of 300 µA (typical). High ESD (2 kV, HBM) and integrated EMI and RF filters enable the LM2904B-Q1 and LM2904BA-Q1 devices to be used in the most rugged, environmentally challenging applications for the automotive marketplace.

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Sample Availability

Prototype samples are available (LM2904BQDRQ1). Request Now

Technical documentation

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DIP-ADAPTER-EVM — DIP adapter evaluation module

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

The (...)

Not available on TI.com
Evaluation board

DUAL-DIYAMP-EVM — Dual Channel Universal Do-It-Yourself (DIY) Amplifier Circuit Evaluation Module

The DUAL-DIYAMP-EVM is a unique evaluation module (EVM) family that provides engineers and do it yourselfers (DIYers) with real-world amplifier circuits, enabling you to quickly evaluate design concepts and verify simulations. It is designed specifically for dual package op amps in the (...)
Not available on TI.com
Simulation model

LMx58_LM2904 PSpice Model (Rev. B)

SNOM268B.ZIP (29 KB) - PSpice Model
Simulation model

LMx58_LM2904 TINA-TI Macro

SNOM670.ZIP (4 KB) - TINA-TI Spice Model
Simulation model

LMx58_LM2904 Reference Design

SNOM671.ZIP (22 KB) - TINA-TI Reference Design
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
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Design tool

CIRCUIT060013 — Inverting amplifier with T-network feedback circuit

This design inverts the input signal, VIN, and applies a signal gain of 1000 V/V or 60 dB. The inverting amplifier with T-feedback network can be used to obtain a high gain without a small value for R4 or very large values for the feedback resistors.
Design tool

CIRCUIT060015 — Adjustable reference voltage circuit

This circuit combines an inverting and non-inverting amplifier to make a reference voltage adjustable from the negative of the input voltage up to the input voltage. Gain can be added to increase the maximum negative reference level.
Design tool

CIRCUIT060074 — High-side current sensing with comparator circuit

This high-side, current sensing solution uses one comparator with a rail-to-rail input common mode range to create an over-current alert (OC-Alert) signal at the comparator output (COMP OUT) if the load current rises above 1 A. The OC-Alert signal in this implementation is active low. So when the (...)
Reference designs

PMP11769 — 700-W Automotive External Audio Amplifier Reference Design

This reference design contains a boost converter that provides 36.0-V @ 10.0-A continuous / 20.0-A peak from an input voltage of 9 to 16 V. It contains two premium Class-D audio amplifiers which provide 2x 175-W @ 4-Ω load (left and right channel) and 1x 350-W @ 2-Ω (subwoofer). (...)
Reference designs

PMP9080 — Automotive Single-port USB Charging featuring LM43603 and TPS2543 Reference Design

Compact design for automotive single-port USB charging featuring the new synchronous 36V, 3A LM43603 SIMPLE SWITCHER and the TPS2543 USB Switch and Controller. LM2904 is used to provide cable droop compensation.
Reference designs

PMP2688 — Power Solution for Automotive Audio Amplifiers

This reference design supports the supply for an audio amplifier, such as the TAS5414C-Q1 using the various DC/DC power switchers, LDOs, logic, clocks, and op amps. This reference design is also applicable in start/stop systems.

Modifying this reference design can also create a power supply for a (...)

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SOIC (D) 8 View options
TSSOP (PW) 8 View options

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