The ADG5408/ADG5409 are monolithic CMOS analog multiplexerscomprising eight single channels and four differentialchannels, respectively. The ADG5408 switches one of eightinputs to a common output, as determined by the 3-bit binaryaddress lines, A0, A1, and A2. The ADG5409 switches one offour differential inputs to a common differential output, asdetermined by the 2-bit binary address lines, A0 and A1.

An EN input on both devices enables or disables the device.When EN is disabled, all channels are switched off. The on-resistanceprofile is very flat over the full analog input range, whichensures good linearity and low distortion when switching audiosignals. High switching speed also makes the parts suitable forvideo signal switching.

Each switch conducts equally well in both directions when on,and each switch has an input signal range that extends to the powersupplies. In the off condition, signal levels up to the suppliesare blocked.

The ADG5408/ADG5409 do not have a V_L pins; rather, the logic powersupply is generated internally by an on-chip voltage generator

Product Highlights

1. Trench isolation guards against latch-up. A dielectric trench separates the P and N channel transistors thereby preventing latch-up even under severe overvoltage conditions.
2. Low R_ON.
3. Dual-supply operation. For applications where the analog signal is bipolar, the ADG5408/ADG5409 can be operated from dual supplies up to ±22 V.
4. Single-supply operation. For applications where the analog signal is bipolar, the ADG5408/ADG5409 can be operated from a single-rail power supply up to 40V.
5. 3 V logic-compatible digital inputs: V_INH = 2.0 V, V_INL = 0.8 V.
6. No V_L logic power supply required.

Applications

• Relay replacement
• Automatic test equipment
• Data acquisition
• Instrumentation
• Avionics
• Audio and video switching
• Communication systems

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.