DG1408中文资料威世数据手册PDF规格书

FEATURES

• 35 V supply max. rating

• 3.2 Ω typical and 4.7 Ω max. on-resistance at

25 °C

• 0.5 Ω on-resistance flatness

• Channel to channel on-resistance match: 0.2 Ω

• Up to 250 mA continuous current

• Supports single and dual supply operation

• Fully specified at ± 15 V, +12 V, and ± 5 V

• Integrated VL supply

• Low voltage logic compatible inputs, VIH = 2 V, VIL = 0.8 V

• BBM (break-before-make switching)

• Low parasitic capacitance:

DG1408, CS(off) = 14 pF, CD(on) = 123 pF

DG1409, CS(off) = 14 pF, CD(on) = 81 pF

• Rail to rail signal handling

• QFN16, 4 mm × 4 mm packages

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

BENEFITS

• Low insertion loss

• Low distortion

• Low power consumption

• Compact solution

• Low charge injection over the full signal range

APPLICATIONS

• Medical and healthcare equipment

• Data acquisition system

• Industrial control and automation

• Test and measurement equipment

• Communication systems

• Battery powered systems

• Sample and hold circuits

• Audio and video signal switching

• Relay replacement

DESCRIPTION

The DG1408 is a precision analog multiplexer comprising

eight single-ended channels. The DG1409 is a dual four

single-ended channels analog multiplexer. Built on a new

CMOS process, the Vishay Siliconix DG1408 and DG1409

offer low on-resistance of 3.2 Ω. The low and flat resistance

over the full signal range provides excellent linearity and low

signal distortion. The new CMOS platform also ensures ultra

low power dissipation, minimized parasitic capacitance, and

low charge injection.

The DG1408 and DG1409 can operate from either a single

4.5 V to 24 V power supply, or from dual ± 4.5 V to ± 15 V

power supplies. The DG1408 connects one of eight inputs

to a common output as determined by a 3-bit binary

address (A0, A1, A2). The DG1409 connects one of four

inputs to a common output for both multiplexers as

determined by a 2-bit binary address (A0 and A1).

Break-before-make switching action protects against

momentary crosstalk between adjacent channels. The part

does not require a VL logic supply, while all digital inputs

have 0.8 V and 2 V logic thresholds to ensure low-voltage

TTL / CMOS compatibility. Together with the compact

package, these make the part a great fit for battery operated

systems.

The DG1408 and DG1409 on channel conduct signal equally

well in both directions. In the off state each channel blocks

voltages up to the power supply rails. An enable (EN)

function allows the user to reset the multiplexer /

demultiplexer to all switches off for stacking several

devices.

The advance performance of low insertion loss and low

distortion make the device ideal for signal switching and

relay replacement in a wide range of applications.

DG1408 and DG1409 are available in RoHS-compliant,

halogen-free QFN16, 4 mm x 4 mm package.