General Description

The MAX4518/MAX4519 precision, monolithic, CMOS analog multiplexers (muxes) offer low on-resistance (less than 100Ω), which is matched to within 4Ω between channels and remains flat over the specified analog signal range (10Ω max). They also offer low leakage over temperature (NO-off leakage current less than 2nA at +85°C) and fast switching speeds (transition time less than 250ns). The MAX4518 is a 4-channel device, and the MAX4519 is a dual 2-channel device.

The MAX4518/MAX4519 are fabricated with Maxim’s low-voltage silicon-gate process. Design improvements yield extremely low charge injection (less than 5pC) and guarantee electrostatic discharge protection greater than 2000V.

These muxes operate with a single +2.7V to +15V supply or with bipolar ±2.7V to ±8V supplies, while retaining CMOS-logic input compatibility and fast switching. CMOS inputs provide reduced input loading.

Features

♦ Guaranteed On-Resistance Match

   Between Channels (<4Ω )

♦ Low On-Resistance (<100Ω )

♦ Guaranteed Flat On-Resistance over Signal

   Range (<10Ω)

♦ Guaranteed Low Charge Injection (<5pC)

♦ NO-Off Leakage Current <2nA at +85°C

♦ COM-Off Leakage Current <5nA at +85°C

♦ Electrostatic Discharge Protection >2000V

♦ Single-Supply Operation (+2.7V to +15V)

   Bipolar-Supply Operation (±2.7V to ±8V)

♦ Low Power Consumption (<300µW)

♦ Rail-to-Rail Signal Handling

♦ TTL/CMOS-Logic Compatible

Applications

   Sample-and-Hold Circuits

   Automatic Test Equipment

   Heads-Up Displays

   Guidance and Control Systems

   Military Radios

   Communications Systems

   Battery-Operated Systems

   PBX, PABX

   Audio Signal Routing

   Low-Voltage Data-Acquisition Systems