Renesas ISL43L210IH-T

Overview

ISL43L210IH-T from Intersil is a single-pole/double-throw (SPDT) analog switch optimized for ultra-low on-resistance (0.34 Ω at 4.3 V), fast switching (t_ON = 7 ns, t_OFF = 3 ns), and single-supply operation from +1.1 V to +4.5 V. It serves as a bidirectional signal path selector in portable audio/video routing, cellular phone ASIC I/O expansion, and low-voltage test instrumentation.

For engineers reviewing the ISL43L210IH-T datasheet, ISL43L210IH-T pinout, ISL43L210IH-T application, or ISL43L210IH-T equivalent, this device delivers verified SPDT functionality with guaranteed break-before-make timing, 1.8 V CMOS logic compatibility at 3 V supply, and SC70-6 package integration for space-constrained handheld designs.

Technical Context

The ISL43L210IH-T implements a committed SPDT architecture with one normally open (NO) and one normally closed (NC) channel, enabling both switching and 2:1 multiplexing functions. Its sub-1 Ω R_ON at 1.8 V and <0.003 Ω R_ON matching ensure minimal signal distortion and channel-to-channel gain error in precision analog paths.

Internal level shifters translate 1.8 V CMOS-compatible digital inputs (V_INH ≥ 1.4 V, V_INL ≤ 0.5 V at 3 V supply) into full-rail gate drive for the CMOS transmission gates. The device guarantees break-before-make operation with t_D ≥ 1 ns across –40°C to +85°C, preventing momentary short-circuits during state transitions.

Key Specifications

Pinout & Package

ISL43L210IH-T is housed in a 6-lead SC70 plastic package (JEDEC MO203AB, EIAJ SC70 compliant) with 0.65 mm lead pitch and 1.85 mm × 1.80 mm body dimensions. Thermal resistance θ_JA is 590°C/W under standard JEDEC test conditions.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SPDT analog switch applications.

Compared with MAX4714ETA+, ISL43L210IH-T supports lower minimum supply (1.1 V vs. 1.8 V) for extended battery life; versus TMUX1574DSGR, it delivers superior R_ON flatness and charge injection performance for high-fidelity signal routing, albeit without integrated protection.

Availability

ISL43L210IH-T is available at Aetrix Electronics and suitable for cellular phone I/O expansion, portable audio routing, and medical sensor signal conditioning requiring stable component supply across long production lifecycles.

Supply support for ISL43L210IH-T 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

Intersil Corporation (now part of Renesas Electronics) is a U.S.-based semiconductor designer specializing in high-performance analog and mixed-signal ICs for power management, precision analog, and interface applications.

The ISL43L210IH-T belongs to Intersil's ultra-low-voltage analog switch product line, engineered specifically for battery-powered portable equipment where minimal on-resistance, nanosecond switching, and sub-2 mm² packaging are critical design constraints.

FAQ

What is the minimum operating voltage for ISL43L210IH-T?

The ISL43L210IH-T operates down to +1.1 V supply voltage, enabling compatibility with partially discharged lithium-ion batteries and ultra-low-power microcontroller systems. At 1.1 V, R_ON rises to 3.5 Ω and switching times increase to t_ON = 28 ns, t_OFF = 10 ns, as specified in the Absolute Maximum Ratings table of the FN6131 datasheet.

Does ISL43L210IH-T support 1.8 V CMOS logic inputs at all supply voltages?

ISL43L210IH-T guarantees 1.8 V CMOS logic compatibility only when operated at +2.7 V to +3.6 V supply, with V_INH ≥ 1.4 V and V_INL ≤ 0.5 V. At 1.8 V supply, input thresholds shift to V_INH ≥ 1.0 V and V_INL ≤ 0.4 V; at 1.1 V supply, they further reduce to V_INH ≥ 0.58 V and V_INL ≤ 0.4 V per Electrical Specifications tables.

What is the maximum analog signal voltage range supported by ISL43L210IH-T?

The ISL43L210IH-T supports an analog signal range from 0 V to V+, meaning the voltage at COM, NO, or NC pins must stay within the supply rails. For example, with a +3.3 V supply, signals may swing from 0 V to +3.3 V; exceeding these limits forward-biases internal ESD diodes, risking damage if current is not externally limited per Figure 8 in the datasheet.

Is ISL43L210IH-T pin-compatible with other Intersil analog switches?

ISL43L210IH-T shares the same 6-lead SC70 package and pinout (IN, V+, GND, NO, NC, COM) with the ISL43L211 (SPST) and ISL43L212 (dual SPDT) variants, but functional differences prevent direct substitution. The ISL43L210IH-T is explicitly designated as a drop-in replacement for MAX4714ETA+, with identical pin mapping and electrical behavior per the "Drop In replacement" feature note in the datasheet.

How does ISL43L210IH-T achieve guaranteed break-before-make timing?

The ISL43L210IH-T integrates internal timing circuitry that delays activation of the new channel until the previous channel is fully disconnected, ensuring t_D ≥ 1 ns across –40°C to +85°C. This is verified by design and correlation per Note 8 in the Electrical Specifications tables, eliminating need for external timing control in critical signal routing applications.