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Teilenummer | 4066 |
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Beschreibung | Quad Analog Switch | |
Hersteller | Fairchild Semiconductor | |
Logo | ||
Gesamt 9 Seiten April 1994
Revised January 2000
74VHC4066
Quad Analog Switch
General Description
These devices are digitally controlled analog switches uti-
lizing advanced silicon-gate CMOS technology. These
switches have low “on” resistance and low “off” leakages.
They are bidirectional switches, thus any analog input may
be used as an output and visa-versa. Also the 4066
switches contain linearization circuitry which lowers the
“on” resistance and increases switch linearity. The 4066
devices allow control of up to 12V (peak) analog signals
with digital control signals of the same range. Each switch
has its own control input which disables each switch when
low. All analog inputs and outputs and digital inputs are
protected from electrostatic damage by diodes to VCC and
ground.
Features
s Typical switch enable time: 15 ns
s Wide analog input voltage range: 0–12V
s Low “on” resistance: 30 typ. ('4066)
s Low quiescent current: 80 µA maximum (74VHC)
s Matched switch characteristics
s Individual switch controls
s Pin and function compatible with the 74HC4066
Ordering Code:
Order Number Package Number
Package Description
74VHC4066M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
74VHC4066MTC
MTC14
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74VHC4066N
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Schematic Diagram
Top View
Truth Table
Input
CTL
L
H
Switch
I/O–O/I
“OFF”
“ON”
© 2000 Fairchild Semiconductor Corporation DS011677
www.fairchildsemi.com
Crosstalk and Distortion Test Circuits (Continued)
FIGURE 10. Switch OFF Signal Feedthrough Isolation
FIGURE 11. Sinewave Distortion
Typical Performance Characteristics
Typical “ON” Resistance
Typical Crosstalk Between
Any Two Switches
Typical Frequency Response
Special Considerations
In certain applications the external load-resistor current may include both VCC and signal line components. To avoid draw-
ing VCC current when switch current flows into the analog switch input pins, the voltage drop across the switch must not
exceed 0.6V (calculated from the ON resistance).
www.fairchildsemi.com
6
6 Page | ||
Seiten | Gesamt 9 Seiten | |
PDF Download | [ 4066 Schematic.PDF ] |
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