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74HC4051

8-channel analog multiplexer/demultiplexer

Philips Electronics 

Philips Semiconductors

8-channel analog multiplexer/demultiplexer

Product specification

74HC/HCT4051

ADDITIONAL AC CHARACTERISTICS FOR 74HC/HCT

Recommended conditions and typical values

GND = 0 V; Tamb = 25 °C

SYMBOL PARAMETER

sine-wave distortion

f = 1 kHz

sine-wave distortion

f = 10 kHz

switch “OFF” signal

feed-through

typ.

0.04

0.02

0.12

0.06

−50

−50

UNIT

VCC

(V)

% 2.25

% 4.5

% 2.25

% 4.5

dB 2.25

dB 4.5

V(p−p)

crosstalk voltage between

control and any switch

(peak-to-peak value)

110 mV 4.5

220 mV 4.5

fmax

minimum frequency

response (−3dB)

170 MHz 2.25

180 MHz 4.5

CS

maximum switch capacitance

independent (Y)

5

pF

common (Z)

25 pF

VEE

(V)

−2.25

−4.5

−2.25

−4.5

−2.25

−4.5

0

−4.5

−2.25

−4.5

Vis(p−p)

(V)

4.0

8.0

4.0

8.0

note 1

note 2

CONDITIONS

RL = 10 kΩ; CL = 50 pF

(see Fig.14)

RL = 10 kΩ; CL = 50 pF

(see Fig.14)

RL = 600 Ω; CL = 50 pF

(see Figs 12 and 15)

RL = 600 Ω; CL = 50 pF;

f = 1 MHz (E or Sn,

square-wave between

VCC and GND,

tr = tf = 6 ns)

(see Fig.16)

RL = 50 Ω; CL = 10 pF

(see Fig.13 and 14)

Notes to AC characteristics

1. Adjust input voltage Vis to 0 dBm level (0 dBm = 1 mW into 600 Ω).

2. Adjust input voltage Vis to 0 dBm level at Vos for 1 MHz (0 dBm = 1 mW into 50 Ω).

General note

Vis is the input voltage at a Yn or Z terminal, whichever is assigned as an input.

Vos is the output voltage at a Yn or Z terminal, whichever is assigned as an output.

Test conditions:

VCC = 4.5 V; GND = 0 V; VEE = −4.5 V;

RL = 50 Ω; Rsource = 1 kΩ

Fig.12 Typical switch “OFF” signal feed-through as a function of frequency.

December 1990

12

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