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PDF HEF4952B Data sheet ( Hoja de datos )
| Número de pieza | HEF4952B | |
| Descripción | 8-Channel Analog Multiplexer / Demultiplexer | |
| Fabricantes | NXP Semiconductors | |
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HEF4952B
8-channel analog multiplexer/demultiplexer
Rev. 01 — 20 March 2006
Product data sheet
1. General description
The HEF4952B is a small signal switch providing a dual 5-channel analog
multiplexer/demultiplexer with common select logic. Each multiplexer has four
independent inputs/outputs (pins nY0 to nY3) and a common input/output (pin nZ). Via
one channel, channel nY2 and nY3 can be connected to VSS.
VSS and VDD are the supply voltage pins for the digital control inputs (pins A0 to A2).
2. Features
s Schmitt-trigger action at control inputs
s Small signal switch
s Specified from −40 °C to +85 °C
3. Applications
s Analog multiplexing and demultiplexing
s Digital multiplexing and demultiplexing
s Signal gating
4. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name
HEF4952BT −40 °C to +85 °C SO16
Description
Version
plastic small outline package; 16 leads; body width 3.9 mm SOT109-1
1 page  
www.DataSheet4U.com
Philips Semiconductors
HEF4952B
8-channel analog multiplexer/demultiplexer
7. Functional description
7.1 Function table
Table 3:
Input
A2
L
L
L
L
H
H
H
H
Function table
A1 A0
LL
LH
HL
HH
LL
LH
HL
HH
Switch
nSY0
off
on
off
on
off
on
off
off
nSY1
on
off
off
off
on
off
off
off
nSY2
off
off
on
on
off
off
on
off
nSY3
off
off
off
off
on
on
on
on
nSY4
on
on
on
on
off
off
off
off
8. Limiting values
Table 4: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
Min
VDD quiescent supply
voltage
[1] −0.5
VEE supply voltage
VI input voltage
referenced to VDD
[1] −18
−0.5
II
Tstg
Tamb
Ptot
input current
storage temperature
ambient temperature
total power
dissipation
Tamb = −40 °C to +85 °C
-
−65
−40
[2] -
Po power dissipation
per output
-
Max Unit
+18 V
+0.5
VDD + 0.5
±10
+150
+85
500
V
V
mA
°C
°C
mW
100 mW
[1] To avoid drawing VDD current out of terminal Z, when switch current flows into terminals Y, the voltage drop
across the bidirectional switch must not exceed 0.4 V. If the switch current flows into terminal Z, no
VDD current will flow out of terminals Y; in this case there is no limit for the voltage drop across the switch,
but the voltages at Y and Z may not exceed VDD or VEE.
[2] Ptot derates linearly with 8 mW/K above 70 °C.
HEF4952B_1
Product data sheet
Rev. 01 — 20 March 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
5 of 13
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Philips Semiconductors
HEF4952B
8-channel analog multiplexer/demultiplexer
13. Revision history
Table 11: Revision history
Document ID
Release date
HEF4952B_1
20060320
Data sheet status
Product data sheet
Change notice
-
Supersedes
-
HEF4952B_1
Product data sheet
Rev. 01 — 20 March 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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