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74LV4051

8-channel analog multiplexer/demultiplexer

Philips Electronics 

Philips Semiconductors

8-channel analog multiplexer/demultiplexer

Product specification

74LV4051

VCC

2RL

Yn/Z

Sn or E

DUT

VCC

2RL

Z/Yn

2RL

2RL

CL

oscilloscope

GND

VEE

SV01739

Figure 9. Test circuit for measuring

crosstalk between control and any switch.

VCC

0.1 mF Yn/Z



sine-wave

2RL

Z/Yn

Vos

channel

ON

2RL

CL dB

GND

SV01634

Figure 10. Test circuit for measuring

minimum frequency response.

VCC



10 mF Yn/Z

fin = 1 kHz

sine-wave

channel

ON

2RL

2RL

CL

Z/Yn

Vos

distortion

meter

GND

SV01637

Figure 11. Test circuit for measuring sine-wave distortion.

NOTE TO FIGURE 8:

The crosstalk is defined as follows (oscilloscope output):

V(p – p)

SV01642

NOTE TO FIGURE 9:

Adjust input voltage to obtain 0 dBm at VOS when Fin = 1 MHz. After

set-up frequency of fin is increased to obtain a reading of –3 dB at VOS.

VCC

0.1 mF

Vis

Yn/Z

2RL

Z/Yn

VOS

channel

2RL

CL dB

OFF

GND

SV01639

Figure 12. Test circuit for measuring

switch “OFF” signal feed-through.

1998 Jun 23

11

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