Analog Devices Inc./Maxim Integrated DG201ACJ

Overview

DG201ACJ from Maxim Integrated is a quad SPST normally closed analog switch IC designed for precision signal routing in bipolar ±15V systems. It features guaranteed ±4.5V to ±18V dual-supply operation, 450ns max turn-off time, 600ns max turn-on time, and 115Ω typical R_DS(ON) at ±15V - enabling low-distortion switching in test equipment and military radio front-ends.

For engineers reviewing the DG201ACJ datasheet, DG201ACJ pinout, DG201ACJ application, or DG201ACJ equivalent, key selection criteria include break-before-make timing compliance, analog signal range (±15V), leakage performance (<±1nA OFF-state), CMOS/TTL logic compatibility, and DIP-16 package suitability for through-hole prototyping and ruggedized industrial PCBs.

Technical Context

The DG201ACJ implements monolithic CMOS architecture with integrated level-shifting logic, eliminating the need for a third VL supply required by legacy equivalents. Its internal clamping diodes and current limiting protect against fault conditions when power supplies are disconnected while analog signals remain active.

Switching behavior is characterized by guaranteed break-before-make timing, low charge injection (20pC), and channel-to-channel crosstalk suppression of ≥90dB at 100kHz - critical for high-fidelity multiplexing in guidance and control systems where signal integrity across multiple analog paths must be preserved.

Key Specifications

Pinout & Package

Package: 16-pin plastic DIP (0.300" wide), RoHS-compliant, through-hole mountable with 0.1" lead pitch and 0.100" row spacing.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DG211CJ and ADG201AKRZ, the DG201ACJ uniquely combines guaranteed break-before-make timing, no-VL operation, and DIP-16 packaging - making it the only option for ruggedized, timing-critical, through-hole analog multiplexing in defense and aerospace legacy upgrades.

Availability

DG201ACJ is available at Aetrix Electronics and suitable for Winchester disk drives, test equipment, guidance and control systems, and military radios requiring stable component supply across extended temperature and long-lifecycle programs.

Supply support for DG201ACJ 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

Maxim Integrated (now part of Analog Devices) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and defense markets.

The DG201A product line was engineered specifically for high-reliability analog signal routing in bipolar supply environments - targeting applications where latch-up immunity, fault tolerance, and precise timing control are non-negotiable.

FAQ

What is the maximum analog signal voltage range supported by the DG201ACJ?

The DG201ACJ supports an analog signal range of ±15V when operated with ±15V supplies. Its absolute maximum ratings allow continuous operation from ±4.5V to ±18V, and the analog signal can swing fully between V− and V+ rails - enabling direct interfacing with ±12V and ±15V op-amps, DACs, and sensor front-ends without attenuation or level shifting. This specification is verified across the full 0°C to +70°C temperature range for the DG201ACJ variant.

Does the DG201ACJ require a third VL supply voltage like some legacy analog switches?

No, the DG201ACJ does not require a third VL supply. Unlike the DG211 and certain older analog switches, the DG201ACJ integrates internal level-shifting circuitry that enables full CMOS/TTL logic compatibility using only V+, V−, and GND. This eliminates the need for an external 5V VL rail, reducing system power complexity and PCB real estate - a key differentiator confirmed in Maxim's official datasheet revision 2 (2006) for the DG201ACJ.

What is the guaranteed switching timing performance of the DG201ACJ?

The DG201ACJ guarantees a maximum turn-off time (t_OFF) of 450ns and a maximum turn-on time (t_ON) of 600ns under standard test conditions (V+ = +15V, V− = −15V, R_L = 1kΩ, C_L = 35pF). These values are production-tested and specified across the full 0°C to +70°C operating range for the DG201ACJ, distinguishing it from the slower DG211 (1000ns t_ON). Timing consistency is ensured by monolithic CMOS fabrication and matched transistor pairs.

Is the DG201ACJ pin-compatible with the DG211CJ?

Yes, the DG201ACJ is pin-compatible with the DG211CJ in the 16-pin plastic DIP package - sharing identical pin functions, numbering, and physical footprint. However, the DG201ACJ omits the VL pin requirement and delivers faster switching, so replacing DG211CJ with DG201ACJ requires removing the VL supply connection and verifying timing margins. This compatibility is explicitly documented in Maxim's ordering information table and pin description section for both parts.

What is the maximum allowable OFF-leakage current for the DG201ACJ at full temperature range?

The DG201ACJ guarantees a maximum OFF-leakage current of ±0.02µA for both source (I_S(OFF)) and drain (I_D(OFF)) terminals at ±14V analog voltage and 2.4V logic high, tested across its full 0°C to +70°C operating range. This low leakage preserves DC accuracy in high-impedance applications such as strain gauge amplifiers and thermocouple signal chains - a value confirmed in the "ELECTRICAL CHARACTERISTICS (DG201A)" table for the AC-grade device.