Texas Instruments TLV2622IDGKG4

Overview

TLV2622IDGKG4 from Texas Instruments is a dual-channel, rail-to-rail output CMOS operational amplifier optimized for low-power, wide-bandwidth single-supply operation. It delivers 11 MHz gain-bandwidth, 10 V/µs slew rate, and 27 nV/√Hz input voltage noise while consuming only 800 µA per channel at 2.7–5.5 V supply. Its input common-mode range includes the positive rail (up to VDD + 0.2 V), enabling direct interfacing with high-side-referenced sensors in battery-powered data acquisition systems.

For engineers reviewing the TLV2622IDGKG4 datasheet, TLV2622IDGKG4 pinout, TLV2622IDGKG4 application, or TLV2622IDGKG4 equivalent, this device is selected for precision analog front-ends where rail-to-rail output swing, ultralow shutdown current (4 µA/channel), and stable operation across –40°C to 125°C are critical - especially in portable instrumentation, sensor signal conditioning, and high-resolution ADC driver stages.

Technical Context

The TLV2622IDGKG4 implements a CMOS input stage with rail-to-rail output capability, supporting single-supply operation from 2.7 V to 5.5 V. Its input common-mode voltage extends to VDD + 0.2 V, allowing direct connection to positive-rail-referenced sources such as resistive bridge sensors or DAC outputs. The amplifier maintains 63° phase margin into 2 kΩ//10 pF loads, ensuring stability without external compensation.

It features independent shutdown control via dedicated SHDN pins (Pin 1 and Pin 8), reducing supply current to 4 µA per channel when disabled. The dual-channel architecture shares no internal coupling - crosstalk remains below –120 dB at 1 kHz - making it suitable for isolated signal paths in multi-channel measurement systems.

Key Specifications

Pinout & Package

VSSOP-8 (DGK) package: 3.0 mm × 3.0 mm body, 0.65 mm pitch, 1.0 mm max height, RoHS-compliant NiPdAu lead finish, MSL Level-1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel rail-to-rail op-amp applications.

Compared with TLV2622IDR, TLV2622IDGKG4 saves >50% board area and improves thermal performance; compared with OPA2333AIDGKR, it trades ultra-low drift for 31× higher bandwidth and 40× lower cost - making TLV2622IDGKG4 optimal for mid-speed, cost-sensitive industrial signal chains.

Availability

TLV2622IDGKG4 is available at Aetrix Electronics and suitable for portable instrumentation, medical sensor modules, and automotive cabin electronics requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLV2622IDGKG4 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 analog design and manufacturing.

The TLV262x family was engineered for low-power, wide-bandwidth single-supply operation in battery-powered and energy-conscious systems - targeting sensor signal conditioning, portable test equipment, and high-resolution data acquisition where rail-to-rail I/O and thermal robustness are essential.

FAQ

What is the maximum recommended supply voltage for TLV2622IDGKG4?

The absolute maximum supply voltage for TLV2622IDGKG4 is 6 V, but the recommended operating range is 2.7 V to 5.5 V. Operating at 5.5 V maximizes output swing and bandwidth while staying within safe margins; exceeding 5.5 V risks permanent damage and voids TI's warranty coverage. The device is explicitly rated for lithium-ion cell operation (nominal 3.7 V, peak 4.2 V), making it ideal for portable designs.

Does TLV2622IDGKG4 support true rail-to-rail input?

TLV2622IDGKG4 supports rail-to-rail *output* swing but has a limited rail-to-rail *input* range: the common-mode input voltage extends from 1 V to VDD + 0.2 V. While it does not accept inputs down to GND, its ability to handle signals up to VDD + 0.2 V - including positive-rail-referenced sources - eliminates level-shifting in many high-side sensing applications. For true GND-to-VDD input, consider TI's TLV2462 or OPA333 families.

How fast does TLV2622IDGKG4 wake up from shutdown mode?

TLV2622IDGKG4 achieves full operational readiness in ≤2 µs after SHDN pin rises above 2 V (VIH threshold). This fast turn-on time is confirmed in the Electrical Characteristics table (t(on) = 1.5 µs typ at VDD = 5 V). The amplifier stabilizes output voltage and settles to final gain within 3 µs, enabling use in burst-mode acquisition systems where channels are dynamically enabled per measurement cycle.

Can TLV2622IDGKG4 drive capacitive loads without oscillation?

TLV2622IDGKG4 is stable for capacitive loads ≤100 pF when driving a 2-kΩ series resistor (Rnull), as verified in Figure 16 (Phase Margin vs Load Capacitance). Without Rnull, stability degrades beyond 10 pF. For direct capacitive loads >10 pF (e.g., ADC input capacitance), a 20–100 Ω isolation resistor must be placed between TLV2622IDGKG4 output and the load to maintain ≥45° phase margin and prevent ringing or oscillation.

Is TLV2622IDGKG4 pin-compatible with other TLV262x variants in VSSOP-8?

Yes - TLV2622IDGKG4 shares identical pinout and footprint with TLV2622IDGKR and TLV2622IDGKT in the DGK (VSSOP-8) package. All three are functionally identical; the suffix "G4" denotes TI's green (lead-free, RoHS-compliant) packaging standard, while "R" and "T" indicate tape-and-reel quantities (2500 and 250 units respectively). No PCB redesign is needed when substituting among these variants.