Texas Instruments TLV3704CD

Overview

TLV3704CD from Texas Instruments is a quad nanopower comparator with push-pull CMOS output stage, designed for ultra-low-power sensing and threshold detection in battery-constrained systems. It delivers 560 nA per channel supply current, operates from 2.5 V to 16 V, supports input common-mode range from –0.1 V to V_CC + 5 V, and is rated for 0°C to 70°C commercial temperature range.

For engineers reviewing the TLV3704CD datasheet, TLV3704CD pinout, TLV3704CD application, or TLV3704CD equivalent, key selection criteria include its rail-overdrivable inputs, reverse-battery-protected architecture, propagation delay under 50 µs at 10 mV overdrive, and SOIC-14 packaging-critical for portable medical devices, handheld instrumentation, and long-life battery monitoring circuits.

Technical Context

The TLV3704CD integrates four independent comparators sharing a single V_CC and GND, each featuring fail-safe inputs capable of accepting voltages up to 20 V regardless of supply state. Its internal power-on-reset (POR) holds outputs low for ≤3 ms during V_CC ramp-up, ensuring deterministic startup behavior in energy-harvesting and wake-on-event systems.

Unlike open-drain comparators, the TLV3704CD's push-pull output eliminates external pull-up resistors-reducing BOM count and static power loss-while maintaining VOL ≤ 80 mV at 50 µA sink and VOH ≥ V_CC – 320 mV at 50 µA source across temperature and supply voltage.

Key Specifications

Pinout & Package

TLV3704CD is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) with 8.65 mm × 6 mm footprint, optimized for automated assembly and thermal dissipation in compact PCB layouts.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad nanopower comparator applications.

Compared with TLV3704ID, TLV3704CD trades extended temperature operation for lower cost and qualification effort in commercial environments; versus TLC3704CPW, it delivers 94% lower supply current and over-rail input support at the expense of larger SOIC footprint-making TLV3704CD the preferred choice for battery longevity and design simplicity.

Availability

TLV3704CD is available at Aetrix Electronics and suitable for portable battery monitoring, consumer medical electronics, security detection systems, and handheld instruments requiring stable component supply with guaranteed long-term sourcing.

Supply support for TLV3704CD 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 signal conditioning and low-power design.

The TLV370x family was engineered specifically for ultra-low-power threshold detection in battery-operated and energy-harvesting systems-prioritizing nanoscale quiescent current, rail-overdrivable inputs, and robust startup behavior over raw speed or gain.

FAQ

What is the maximum input voltage the TLV3704CD can tolerate without damage?

The TLV3704CD supports input voltages from –0.1 V to V_CC + 5 V under normal operation, and its inputs are fail-safe up to 20 V-even when V_CC is unpowered. Absolute maximum ratings specify ±20 V differential input voltage and 20 V maximum input voltage relative to GND, making TLV3704CD suitable for direct battery voltage monitoring in systems with transient overvoltage risks.

Does the TLV3704CD require external pull-up resistors on its outputs?

No. The TLV3704CD features a push-pull CMOS output stage that actively drives both high and low states, eliminating the need for external pull-up resistors. This reduces system power consumption, component count, and PCB area-especially valuable in multi-channel configurations where four independent outputs would otherwise require eight discrete resistors.

How does the power-on-reset (POR) function affect TLV3704CD output behavior at startup?

The TLV3704CD incorporates an internal POR circuit that holds all four outputs low for up to 3 ms after V_CC crosses 1.5 V during power-up. This ensures deterministic initial state in wake-on-event systems and prevents spurious triggering during supply ramp. Once POR completes, outputs immediately reflect the differential input condition-no additional configuration or timing delays are required.

Can the TLV3704CD operate from a 2.5-V supply while maintaining full input common-mode range?

Yes. At V_CC = 2.5 V, the TLV3704CD maintains its full specified input common-mode range of –0.1 V to V_CC + 5 V, i.e., –0.1 V to 7.5 V. This allows direct interfacing with sensors or battery terminals operating above the supply rail-enabling simplified, single-supply designs without level shifters or charge pumps in TLV3704CD-based monitoring circuits.

What is the typical propagation delay of the TLV3704CD at low overdrive conditions?

At 10 mV input overdrive and V_CC = 12 V, the TLV3704CD exhibits typical propagation delays of 34 µs (low-to-high) and 45 µs (high-to-low), as confirmed in the datasheet's switching characteristics table. These values remain stable across the 0°C to 70°C commercial temperature range, supporting predictable timing in battery-powered threshold-detection applications.