Analog Devices Inc. LTC6088CDHC#TRPBF

Overview

LTC6088CDHC#TRPBF from Analog Devices is a quad, rail-to-rail input/output, unity-gain stable CMOS operational amplifier optimized for high-impedance sensor signal conditioning. It delivers 14MHz gain bandwidth, 7.2V/µs slew rate, 12nV/√Hz input voltage noise at 1kHz, 750µV max offset voltage (C-grade), and 1pA typical input bias current at 25°C - enabling precision amplification in portable medical devices and low-power data acquisition systems.

For engineers reviewing the LTC6088CDHC#TRPBF datasheet, LTC6088CDHC#TRPBF pinout, LTC6088CDHC#TRPBF application, or LTC6088CDHC#TRPBF equivalent, key selection criteria include its 2.7V–5.5V single-supply operation, shutdown mode (2.3µA per amp), 16-pin DFN (5mm × 3mm) package with exposed V– pad, and guaranteed performance across –40°C to 85°C.

Technical Context

The LTC6088CDHC#TRPBF integrates dual PMOS/NMOS input stages to achieve rail-to-rail common-mode input range (V– to V+), while its Class AB output stage swings within 30mV of both rails under no-load conditions. Its 14MHz GBW and 47° phase margin ensure stability in unity-gain configurations driving capacitive loads up to 100pF.

Each amplifier features independent active-low shutdown pins (SHDNA/SHDNB on Pins 5/6), enabling selective power gating in multi-channel systems. Input bias current remains ≤40pA over temperature (≤500pA max at 85°C), critical for pH probes and photodiode transimpedance applications where leakage dominates error budgets.

Key Specifications

Pinout & Package

The LTC6088CDHC#TRPBF is housed in a 16-lead plastic DFN package (5mm × 3mm) with an exposed thermal pad connected to V–. The package requires soldering the exposed pad to PCB ground plane for thermal and electrical integrity.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LTC6078CDHC#TRPBF and LTC6242IDHC#TRPBF, the LTC6088CDHC#TRPBF uniquely balances 14MHz bandwidth, 1pA input bias, and 2.3µA shutdown current - making it optimal for mid-speed, high-impedance sensor interfaces where power and precision must coexist.

Availability

LTC6088CDHC#TRPBF is available at Aetrix Electronics and suitable for portable medical devices, structural health monitoring systems, and handheld test equipment requiring stable component supply across extended temperature ranges.

Supply support for LTC6088CDHC#TRPBF 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

Analog Devices (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.

The LTC6088 belongs to Linear's precision rail-to-rail op-amp product line, engineered for low-noise, low-input-bias signal conditioning in battery-powered and high-impedance measurement applications.

FAQ

What is the operating temperature range for the LTC6088CDHC#TRPBF?

The LTC6088CDHC#TRPBF is specified for operation from –40°C to +85°C. Its electrical characteristics-including offset voltage (±750µV max), input bias current (≤40pA typ), and gain bandwidth (14MHz)-are guaranteed across this full industrial temperature range, making it suitable for automotive cabin modules and outdoor industrial sensors.

Does the LTC6088CDHC#TRPBF support rail-to-rail input and output?

Yes, the LTC6088CDHC#TRPBF supports true rail-to-rail input (common-mode range from V– to V+) and rail-to-rail output (swings within 30mV of both rails under no-load conditions). This capability is achieved via complementary PMOS/NMOS input pairs and a Class AB output stage, enabling full utilization of supply headroom in 3V systems.

How does the shutdown feature work on the LTC6088CDHC#TRPBF?

The LTC6088CDHC#TRPBF provides two independent active-low shutdown pins: SHDNA (Pin 5) and SHDNB (Pin 6). Driving either pin ≤0.8V disables its respective amplifier and reduces supply current to 2.3µA per channel. When floating, internal current sources pull these pins to V+, keeping amplifiers active - simplifying designs that require selective channel power-down.

What package type and thermal considerations apply to the LTC6088CDHC#TRPBF?

The LTC6088CDHC#TRPBF uses a 16-lead plastic DFN package (5mm × 3mm) with an exposed thermal pad connected internally to V–. This pad must be soldered to a PCB copper plane for effective heat dissipation and electrical grounding. Thermal resistance θ_JA is 43°C/W, requiring adequate copper area to maintain junction temperature below 150°C under maximum load.

Can the LTC6088CDHC#TRPBF drive capacitive loads reliably?

Yes, the LTC6088CDHC#TRPBF can drive up to 100pF capacitive loads stably in unity-gain configuration, as verified by phase margin (≥47°) and overshoot measurements. For larger loads, adding a small series resistor (e.g., 10Ω–50Ω) between output and capacitance improves stability - a technique validated in the datasheet's Typical Performance Characteristics (Figure G21/G22).