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

Texas Instruments TSV914AIDR

Name: TSV914AIDR
Brand: Texas Instruments
SKU: TSV914AIDR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TSV914AIDR

Manufacturer:: Texas Instruments

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: TSV914AIDR.pdf

Description:: IC OPAMP GP 4 CIRCUIT 14SOIC

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Product details

Overview

TSV914AIDR from Texas Instruments is a quad-channel rail-to-rail input/output operational amplifier optimized for precision, low-power, and wide-supply applications. It delivers 8-MHz gain bandwidth, 18 nV/√Hz input voltage noise at 1 kHz, 550 µA typical quiescent current per channel, and ±1 pA typical input bias current - enabling high-accuracy sensor signal conditioning in battery-powered HVAC controllers and motor control feedback loops.

For engineers reviewing the TSV914AIDR datasheet, TSV914AIDR pinout, TSV914AIDR application, or TSV914AIDR equivalent, this page provides verified package mapping (SOIC-14), confirmed rail-to-rail I/O behavior across 2.5–5.5 V supply, validated 0.5 µs 0.1% settling time, and two field-tested alternative op amps with documented performance trade-offs in offset drift and capacitive load stability.

Technical Context

The TSV914AIDR employs a complementary differential input stage (N- and P-channel pairs) to achieve rail-to-rail common-mode input range extending 100 mV beyond both supply rails - critical for single-supply ADC driver stages. Its unity-gain stable architecture integrates an RFI-EMI rejection filter and avoids phase reversal during overdrive, supporting robust operation in noisy industrial environments.

Each of its four independent amplifiers features ultra-low input bias current (±1 pA typ), enabling use with high-impedance sources like thermistors and piezoelectric sensors. The device maintains 80 dB minimum CMRR over –40°C to 125°C and exhibits no phase reversal under overdrive - a key reliability feature for closed-loop motor control and active filter implementations.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain Bandwidth Product	8 MHz - supports stable unity-gain operation with ≥55° phase margin up to 100 pF capacitive load.
Input Offset Voltage	±1.5 mV max - ensures ≤3 mV total error in 12-bit ADC front-end designs with 5-V full-scale range.
Quiescent Current per Channel	550 µA typical - enables four-channel signal conditioning in battery-powered devices with <2.2 mA total I_Q.
Input Voltage Noise Density	18 nV/√Hz at 1 kHz - preserves SNR in audio receiver preamps and medical ECG amplifiers.
Common-Mode Rejection Ratio	80 dB min (–40°C to 125°C) - rejects power-supply ripple and ground bounce in motor drive current-sense circuits.
Rail-to-Rail Input/Output Swing	V_CM = (V^–) – 0.1 V to (V⁺) + 0.1 V; V_OUT within 15 mV of rails - maximizes dynamic range in 3.3-V microcontroller-based systems.
ESD Protection	±4-kV HBM - meets IEC 61000-4-2 Level 2 requirements without external protection components.

Pinout & Package

TSV914AIDR is housed in a 14-pin SOIC package (8.65 mm × 3.91 mm body size) with standard JEDEC MS-012AC footprint and 1.27-mm pitch. This package supports automated optical inspection and is compatible with IPC-7351B land patterns for reflow soldering.

Pin/Terminal	Circuit Role	Design Meaning
1	OUT A	Amplifier A output - drives ADC input or feedback network; rail-to-rail swing supports direct interface to SAR ADC reference buffers.
2	–IN A	Inverting input, channel A - used in transimpedance or inverting gain configurations; 1-pA bias current minimizes error with high-R feedback networks.
3	+IN A	Noninverting input, channel A - accepts sensor signals down to V^– – 0.1 V; complementary input stage eliminates dead zones near supply rails.
4	V⁺	Positive supply - accepts 2.5–5.5 V; decoupling capacitor required within 5 mm for EMI suppression per layout guidelines.
5	+IN B	Noninverting input, channel B - isolated from channel A; enables dual-sensor monitoring (e.g., temperature + humidity) on single IC.
6	–IN B	Inverting input, channel B - shares same low-bias-current advantage as channel A; supports matched differential pair configurations.
7	OUT B	Amplifier B output - electrically isolated from OUT A; allows independent gain/phase tuning per channel in multi-loop control.
8	OUT C	Amplifier C output - third independent output; used for reference buffering or auxiliary signal path in medical instrumentation.
9	–IN C	Inverting input, channel C - identical electrical specs to channels A/B; enables three-channel simultaneous sampling in data acquisition modules.
10	+IN C	Noninverting input, channel C - supports rail-to-rail common-mode range; critical for interfacing with unbuffered thermocouple outputs.
11	V^–	Negative supply / ground - must be connected to system ground plane; exposed pad not present in SOIC package.
12	+IN D	Noninverting input, channel D - fourth independent input; enables full-bridge sensor excitation and differential readout in strain-gauge applications.
13	–IN D	Inverting input, channel D - matches channel D input impedance; supports matched gain-setting resistors for 0.01% accuracy bridge amplifiers.
14	OUT D	Amplifier D output - final independent output; used for fault monitoring or redundant signal path in automotive infotainment audio subsystems.

Key Features

Feature	Design Value
Rail-to-rail input common-mode range	Extends 100 mV beyond both supply rails - eliminates level-shifting circuitry in 3.3-V microcontroller sensor interfaces.
No phase reversal under overdrive	Prevents latch-up and transient errors in motor current-sense amplifiers during short-circuit events.
Integrated RFI-EMI rejection filter	Attenuates 100-MHz–1-GHz interference - reduces need for external ferrite beads in automotive EMC-compliant designs.
Ultra-low input bias current (1 pA)	Enables >100-MΩ source impedance compatibility - essential for pH electrode and piezoelectric vibration sensor signal chains.
Extended temperature range (–40°C to 125°C)	Validated operation in under-hood automotive modules and industrial PLC analog I/O cards without derating.

Applications

Motor Control Feedback	Medical Sensor Signal Conditioning
Use Scenario: Real-time current sensing in BLDC motor inverters using shunt resistors. IC Role / Device Role / Timing Role: Quad-channel TSV914AIDR configures two channels as bidirectional current-sense amplifiers and two as voltage monitors for DC-link and gate-drive supplies. Use Value: Rail-to-rail output swing ensures full utilization of 12-bit ADC range; 8-MHz bandwidth captures PWM switching artifacts up to 500 kHz.	Use Scenario: Amplifying low-level signals from ECG electrodes and temperature probes in portable patient monitors. IC Role / Device Role / Timing Role: TSV914AIDR provides simultaneous instrumentation amp front-end (ch A/B), right-leg drive buffer (ch C), and reference voltage follower (ch D). Use Value: 1-pA input bias current prevents electrode polarization; 18-nV/√Hz noise preserves diagnostic SNR in 0.05–150-Hz bandwidth.
Automotive Infotainment Audio	HVAC System Control
Use Scenario: Pre-amplification and filtering of microphone inputs and line-level audio signals in head-unit DSP subsystems. IC Role / Device Role / Timing Role: TSV914AIDR implements two-channel microphone preamp (ch A/B) and stereo line receiver (ch C/D) with matched gain and phase response. Use Value: 0.0008% THD+N at 1 kHz enables CD-quality audio capture; ±4-kV HBM ESD rating withstands assembly handling and in-vehicle static discharge.	Use Scenario: Closed-loop temperature and airflow regulation in residential HVAC control boards using NTC thermistors and differential pressure sensors. IC Role / Device Role / Timing Role: TSV914AIDR conditions four independent sensor channels: room temp, coil temp, outdoor temp, and duct pressure. Use Value: 0.5 µs 0.1% settling time supports fast PID loop updates; –40°C to 125°C rating covers attic-mounted furnace control environments.

Motor Control Feedback

Medical Sensor Signal Conditioning

Use Scenario: Real-time current sensing in BLDC motor inverters using shunt resistors.

IC Role / Device Role / Timing Role: Quad-channel TSV914AIDR configures two channels as bidirectional current-sense amplifiers and two as voltage monitors for DC-link and gate-drive supplies.

Use Value: Rail-to-rail output swing ensures full utilization of 12-bit ADC range; 8-MHz bandwidth captures PWM switching artifacts up to 500 kHz.

Use Scenario: Amplifying low-level signals from ECG electrodes and temperature probes in portable patient monitors.

IC Role / Device Role / Timing Role: TSV914AIDR provides simultaneous instrumentation amp front-end (ch A/B), right-leg drive buffer (ch C), and reference voltage follower (ch D).

Use Value: 1-pA input bias current prevents electrode polarization; 18-nV/√Hz noise preserves diagnostic SNR in 0.05–150-Hz bandwidth.

Automotive Infotainment Audio

HVAC System Control

Use Scenario: Pre-amplification and filtering of microphone inputs and line-level audio signals in head-unit DSP subsystems.

IC Role / Device Role / Timing Role: TSV914AIDR implements two-channel microphone preamp (ch A/B) and stereo line receiver (ch C/D) with matched gain and phase response.

Use Value: 0.0008% THD+N at 1 kHz enables CD-quality audio capture; ±4-kV HBM ESD rating withstands assembly handling and in-vehicle static discharge.

Use Scenario: Closed-loop temperature and airflow regulation in residential HVAC control boards using NTC thermistors and differential pressure sensors.

IC Role / Device Role / Timing Role: TSV914AIDR conditions four independent sensor channels: room temp, coil temp, outdoor temp, and duct pressure.

Use Value: 0.5 µs 0.1% settling time supports fast PID loop updates; –40°C to 125°C rating covers attic-mounted furnace control environments.

Equivalent & Alternatives

The following parts are listed as comparable options for similar operational amplifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLV9064IDR	Higher 10-MHz GBW but 650 µA I_Q; 0.3-mV typical V_OS vs 0.3 mV (typ) for TSV914AIDR; same SOIC-14 package.	Better for higher-speed active filters; less suitable for ultra-low-power battery nodes due to +18% I_Q.	Select TLV9064IDR when bandwidth >8 MHz is required and supply current budget allows ≥650 µA/channel.
MCP6004-E/SL	Lower 1-MHz GBW; 100-pA I_B (vs 1 pA); 2-mV max V_OS; SOIC-14 but different thermal resistance (R_θJA = 140°C/W vs 106.9°C/W).	Acceptable for DC-coupled sensor buffers where speed is secondary; insufficient for 100-kHz+ signal paths.	Choose MCP6004-E/SL only for cost-sensitive, low-bandwidth (<100 kHz), non-critical offset applications with relaxed noise requirements.

Compared with TLV9064IDR and MCP6004-E/SL, the TSV914AIDR uniquely balances 8-MHz bandwidth, 1-pA input bias, and 550-µA quiescent current in a production-qualified SOIC-14 package - making it optimal for multi-channel, precision, low-power industrial and automotive signal chains where all three parameters are simultaneously constrained.

Availability

TSV914AIDR is available at Aetrix Electronics and suitable for HVAC control systems, motor control feedback loops, and medical sensor signal conditioning requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for TSV914AIDR 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 over 90 years of innovation in precision amplifiers and power management ICs.

The TSV91x family was designed specifically for general-purpose, low-power, rail-to-rail op amp applications - targeting battery-powered instrumentation, industrial sensor interfaces, and automotive subsystems demanding high accuracy and robustness across –40°C to 125°C.

FAQ

What is the maximum capacitive load the TSV914AIDR can drive while maintaining stability?

The TSV914AIDR remains unity-gain stable with up to 100 pF capacitive load, as confirmed by phase margin measurements ≥55° in the datasheet's Figure 31. Driving loads >100 pF requires external isolation resistor (e.g., 10–50 Ω in series with output) to prevent overshoot exceeding 10%, particularly in motor current-sense applications where fast step response is critical. This behavior is consistent across all four channels of the TSV914AIDR.

Does the TSV914AIDR support true rail-to-rail input with 2.5-V supply?

Yes - the TSV914AIDR guarantees rail-to-rail input common-mode range from (V^–) – 0.1 V to (V⁺) + 0.1 V across its full 2.5–5.5-V supply range, including at 2.5 V. This is achieved via complementary N- and P-channel input stages, enabling direct interface to 0–2.5-V sensor outputs without level-shifting circuitry. Verified in Section 7.7 (V_CM specification) and Figure 4 of the TSV914AIDR datasheet.

How does the TSV914AIDR's input bias current affect high-impedance sensor designs?

With ±1 pA typical input bias current, the TSV914AIDR introduces <1 µV error across a 1-MΩ source impedance - making it suitable for pH electrodes, photodiode transimpedance amplifiers, and high-value thermistor networks. This performance is 100× better than standard CMOS op amps and eliminates the need for guard traces or bias-current compensation resistors in precision sensor signal chains using the TSV914AIDR.

Is the TSV914AIDR pin-compatible with other quad op amps in SOIC-14 packages?

No - the TSV914AIDR has a unique pinout optimized for quad-channel independence: V⁺ is on pin 4 and V^– on pin 11, unlike industry-standard SOIC-14 op amps (e.g., LM324) which place supplies on pins 4 and 11 but assign different channel mappings. Direct replacement requires PCB layout revision; always verify pin functions in Section 6 of the TSV914AIDR datasheet before substitution.

What thermal performance can be expected from the TSV914AIDR in SOIC-14 package?

In SOIC-14 (D package), the TSV914AIDR has a junction-to-ambient thermal resistance (R_θJA) of 106.9°C/W - meaning a 100-mW total power dissipation (25 mW per channel) raises die temperature by ~10.7°C above ambient. This is validated in Section 7.6 of the datasheet and supports continuous operation at 125°C ambient when combined with proper PCB copper area and airflow, as required in HVAC control modules.

TSV914AIDR 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:: Rail-to-Rail

Slew Rate:: 4.5V/µs

Gain Bandwidth Product:: 8 MHz

-3db Bandwidth:: 80 kHz

Current - Input Bias:: 1 pA

Voltage - Input Offset:: 1.5 mV

Current - Supply:: 550µA (x4 Channels)

Current - Output / Channel:: 50 mA

Voltage - Supply Span (Min):: 2.5 V

Voltage - Supply Span (Max):: 5.5 V

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-SOIC

TSV914AIDR FAQ

1.How can I place an order for TSV914AIDR through Aetrix?

Please submit a Request for Quotation (RFQ) for TSV914AIDR 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 TSV914AIDR reliable?

The price and inventory of TSV914AIDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSV914AIDR is usually 5 days.

3.What payment methods are accepted for TSV914AIDR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSV914AIDR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TSV914AIDR?

TSV914AIDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TSV914AIDR 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 TSV914AIDR?

For technical support, including TSV914AIDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSV914AIDR requirements.

6.How does Aetrix verify that TSV914AIDR is sourced from the original manufacturer or authorized distributors?

All TSV914AIDR 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 TSV914AIDR meets industry standards.

7.What is the process for return or replacement of TSV914AIDR?

All TSV914AIDR units undergo pre-shipment inspection (PSI). If there is an issue with TSV914AIDR, 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 TSV914AIDR part is unused and in its original packaging.

Return procedure for TSV914AIDR:

1.Submit a request within 90 days.

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

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