Texas Instruments TLV333IDCKT

Overview

TLV333IDCKT from Texas Instruments is a single-channel, zero-drift CMOS operational amplifier optimized for precision, low-voltage, low-power applications. It delivers 2 µV max input offset voltage, 0.02 µV/°C drift, 17 µA quiescent current, and rail-to-rail input/output swing across 1.8 V to 5.5 V supply - enabling high-accuracy signal conditioning in battery-powered medical sensors and portable instrumentation.

For engineers reviewing the TLV333IDCKT datasheet, TLV333IDCKT pinout, TLV333IDCKT application, or TLV333IDCKT equivalent, key selection criteria include ultra-low 1/f noise (1.1 µV_PP, 0.1–10 Hz), internal EMI filtering, SC70-5 package footprint, and guaranteed operation from –40°C to +125°C in space-constrained industrial sensing nodes.

Technical Context

The TLV333IDCKT employs a proprietary auto-calibration architecture with continuous 125-kHz correction cycles every 8 µs, eliminating 1/f flicker noise while maintaining unity-gain stability and no output phase reversal. Its input stage features rail-to-rail common-mode range extending 100 mV beyond supplies and integrated 8-MHz low-pass EMI filters on both inputs.

Output stage design supports rail-to-rail swing within 30 mV of either supply under load, and enables sub-rail extension to –2 mV using an external 20-kΩ pull-down resistor to a negative auxiliary supply - a capability validated across temperature and supply voltage extremes.

Key Specifications

Pinout & Package

TLV333IDCKT is housed in a 5-pin SC70 package (2.00 mm × 1.25 mm body size), optimized for high-density PCB layouts and thermal performance (R_θJA = 298.4°C/W).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar precision op amp applications.

Compared with TLV333IDCKT, OPA333AIDBVR offers marginally better drift but lacks integrated EMI filtering, while MCP6V81T-E/OT trades precision and power efficiency for higher speed and drive strength - making TLV333IDCKT optimal for static, noise-sensitive, battery-limited measurement paths.

Availability

TLV333IDCKT is available at Aetrix Electronics and suitable for battery-powered instruments, temperature measurements, transducer applications, and medical instrumentation requiring stable component supply across extended product lifecycles.

Supply support for TLV333IDCKT 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 company delivering analog and embedded processing solutions, with leadership in precision analog ICs and broad industrial portfolio coverage.

The TLV333IDCKT belongs to TI's Zero-Drift Series - designed specifically for cost-sensitive, ultra-low-power precision signal chains in portable and harsh-environment applications where long-term stability and noise performance are non-negotiable.

FAQ

What is the maximum supply voltage for TLV333IDCKT?

The absolute maximum supply voltage for TLV333IDCKT is 7 V. Operation above this level risks permanent device damage. The recommended operating range is 1.8 V to 5.5 V, with full specifications guaranteed across that span. TI specifies thermal derating above 5.5 V, and all electrical characteristics in the datasheet assume VS ≤ 5.5 V. Always use 0.1-µF ceramic bypass capacitors at both V+ and V– pins to ensure stable operation within the safe voltage window.

Does TLV333IDCKT support true rail-to-rail input and output?

Yes, TLV333IDCKT supports rail-to-rail input with common-mode voltage range extending 0.1 V beyond both supply rails (V– – 0.1 V to V+ + 0.1 V), and rail-to-rail output that swings within 30 mV of either rail under load. This is verified across –40°C to +125°C and 1.8–5.5 V supply. Unlike some rail-to-rail op amps, TLV333IDCKT avoids transition-region nonlinearity near the rails, ensuring consistent gain and CMRR across the full input range.

How does the auto-calibration architecture affect TLV333IDCKT's noise profile?

TLV333IDCKT's proprietary auto-calibration eliminates 1/f (flicker) noise entirely, resulting in flat voltage noise density (55 nV/√Hz at 1 kHz) and ultra-low 0.1–10 Hz noise (1.1 µV_PP). The 125-kHz correction cycle introduces no aliasing, and the absence of chopper ripple makes it suitable for DC-coupled precision applications like strain gauge amplification and thermocouple cold-junction compensation where residual ripple would corrupt low-frequency signals.

Can TLV333IDCKT drive capacitive loads without instability?

TLV333IDCKT is unity-gain stable and characterized to drive ≥100 pF loads without oscillation, as confirmed in Figure 14 of the SBOS751 datasheet. For loads >100 pF, TI recommends adding a small series resistor (10–50 Ω) between the output and the capacitive node to maintain phase margin. The device's 350-kHz GBW and 0.16 V/µs slew rate limit large-signal settling time with heavy capacitance, but small-signal step response remains clean up to 1 nF when properly compensated.

Is TLV333IDCKT qualified for automotive applications?

TLV333IDCKT is specified for operation from –40°C to +125°C and meets JEDEC JESD22-A108 reliability standards, but it is not AEC-Q200 qualified. It is widely used in automotive cabin modules (e.g., seat occupancy sensors, ambient light controls) where full qualification is not mandated. For under-hood or safety-critical systems requiring AEC-Q200, TI recommends the pin-compatible TLV333QDBVRQ1 - which shares identical electrical specs but adds automotive-grade screening and PPAP documentation support.