Texas Instruments TLV9002IDSGT

Overview

TLV9002IDSGT from Texas Instruments is a dual-channel, rail-to-rail input/output operational amplifier optimized for low-power, cost-sensitive systems operating from 1.8 V to 5.5 V supply. It delivers ±0.4 mV input offset voltage, 1 MHz unity-gain bandwidth, 60 µA per channel quiescent current, and stable operation into 500 pF capacitive loads-enabling precision sensor signal conditioning in wearable devices and smoke detectors.

For engineers reviewing the TLV9002IDSGT datasheet, TLV9002IDSGT pinout, TLV9002IDSGT application, or TLV9002IDSGT equivalent, key selection considerations include its resistive open-loop output impedance (simplifying stability with high capacitive loads), integrated RFI/EMI filter, –40°C to 125°C extended temperature range, and compatibility with space-constrained PCB layouts using micro-size WSON packaging.

Technical Context

The TLV9002IDSGT implements a scalable CMOS input stage enabling rail-to-rail input common-mode range down to 100 mV below V– and up to 100 mV above V+, while maintaining low input bias current (5 pA) and low broadband noise (27 nV/√Hz). Its unity-gain stable architecture eliminates external compensation requirements across all gain configurations.

Designed specifically for low-voltage operation, the device features internal EMI rejection filtering and no phase reversal during overdrive-critical for reliable performance in noisy industrial and consumer environments. The resistive open-loop output impedance enables stable operation with capacitive loads up to 500 pF without external isolation resistors.

Key Specifications

Pinout & Package

TLV9002IDSGT is packaged in an 8-pin WSON (DSG) package with 2.00 mm × 2.00 mm body size and exposed thermal pad. The thermal pad must be connected to V– for optimal thermal performance and EMI suppression.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel, low-power op amp applications.

Compared with TLV9002IDSGT, TLV9002IDR offers identical performance in a larger SOIC package but sacrifices thermal efficiency and board area; LMV358IDR trades off quiescent current, EMI robustness, and temperature range for legacy compatibility and broader distributor availability.

Availability

TLV9002IDSGT is available at Aetrix Electronics and suitable for wearable health monitoring, smart appliance control, and smoke detector manufacturing requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for TLV9002IDSGT 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 amplifiers and low-power signal chain solutions.

The TLV900x product line was designed specifically for cost-sensitive, space-constrained applications demanding rail-to-rail operation, ultra-low power, and robust EMI performance-including smoke detectors, wearables, and small appliances.

FAQ

What is the maximum capacitive load the TLV9002IDSGT can drive stably?

The TLV9002IDSGT is characterized to drive up to 500 pF capacitive load stably without external compensation. This capability stems from its resistive open-loop output impedance, which avoids peaking or oscillation commonly seen with capacitive loads in conventional op-amps. For loads exceeding 500 pF, a small series resistor (e.g., 10–50 Ω) at the output is recommended. The TLV9002IDSGT datasheet confirms this value under "Capacitive Load Drive" in Section 7.10 Electrical Characteristics.

Does the TLV9002IDSGT support single-supply operation?

Yes, the TLV9002IDSGT supports true single-supply operation from 1.8 V to 5.5 V. Its rail-to-rail input stage accepts common-mode voltages from 100 mV below V– to 100 mV above V+, and its rail-to-rail output swings within 10 mV of each rail under light load. This makes the TLV9002IDSGT ideal for battery-powered systems where ground-referenced signal chains are required-such as in portable medical sensors or battery management monitors.

What is the purpose of the exposed thermal pad on the TLV9002IDSGT WSON package?

The exposed thermal pad on the TLV9002IDSGT (DSG package) must be soldered to a PCB copper pour connected to the V– net. It serves two critical functions: (1) improves thermal resistance (θ_JA reduced by ~30°C/W vs. pad-open configuration), enabling reliable operation at 125°C ambient; and (2) provides a low-inductance path for high-frequency EMI return currents, enhancing the effectiveness of the internal RFI/EMI filter. TI's datasheet explicitly states "Connect thermal pad to V–" in Figure 6-7.

Is the TLV9002IDSGT pin-compatible with other TLV9002 variants?

No, the TLV9002IDSGT (WSON-8) is not pin-compatible with SOIC-8 (TLV9002IDR), VSSOP-8 (TLV9002IDGKR), or TSSOP-8 (TLV9002IPWR) variants. While all share identical pin functions (e.g., Pin 1 = OUT1, Pin 2 = IN1–), their physical pinouts differ due to package geometry and thermal pad placement. The WSON-8 uses a bottom-exposed pad and 0.5 mm pitch; SOIC-8 uses 1.27 mm pitch and no thermal pad. Layout redesign is required when substituting packages.

What ESD protection level does the TLV9002IDSGT provide?

The TLV9002IDSGT provides ±2000 V Human-Body Model (HBM) and ±1500 V Charged-Device Model (CDM) ESD protection per JEDEC standards JS-001 and JESD22-C101. This rating applies to all TLV9002 variants except the shutdown versions (TLV9002S), which specify ±1500 V HBM. The robust ESD rating ensures handling safety during automated assembly and field reliability in electrostatic-prone environments such as HVAC service or retail scanner deployment.