CD4066B-Q1
www.ti.com
SCHS383 –APRIL 2011
CMOS QUAD BILATERAL SWITCH
Check for Samples: CD4066B-Q1
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FEATURES
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5-V, 10-V, and 15-V Parametric Ratings
Latch-Up Exceeds 100mA per JESD78 - Class I
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Qualified for Automotive Applications
Meets All Requirements of JEDEC Tentative
Standard No. 13-B, Standard Specifications for
Description of "B" Series CMOS Devices
15-V Digital or ±7.5-V Peak-to-Peak Switching
125-Ω Typical On-State Resistance for 15-V
Operation
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Switch On-State Resistance Matched to Within
5 Ω Over 15-V Signal-Input Range
APPLICATIONS
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Analog Signal Switching/Multiplexing: Signal
Gating, Modulator, Squelch Control,
On-State Resistance Flat Over Full
Peak-to-Peak Signal Range
Demodulator, Chopper, Commutating Switch
High On/Off Output-Voltage Ratio: 80 dB
Typical at fis = 10 kHz, RL = 1 kΩ
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Digital Signal Switching/Multiplexing
Transmission-Gate Logic Implementation
High Degree of Linearity: <0.5% Distortion
Typical at fis = 1 kHz, Vis = 5 V p-p,
Analog-to-Digital and Digital-to-Analog
Conversion
VDD – VSS ≥ 10 V, RL = 10 kΩ
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Digital Control of Frequency, Impedance,
Phase, and Analog-Signal Gain
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Extremely Low Off-State Switch Leakage,
Resulting in Very Low Offset Current and High
Effective Off-State Resistance: 10 pA Typical
at VDD – VSS = 10 V, TA = 25°C
E, F, M, NS, OR PW PACKAGE
(TOP VIEW)
Extremely High Control Input Impedance
(Control Circuit Isolated From Signal Circuit):
1012 Ω Typical
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14
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SIG A IN/OUT
SIG A OUT/IN
SIG B OUT/IN
SIG B IN/OUT
CONTROL B
CONTROL C
VSS
VDD
CONTROL A
CONTROL D
SIG D IN/OUT
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Low Crosstalk Between Switches: –50 dB
Typical at fis = 8 MHz, RL = 1 kΩ
10 SIG D OUT/IN
Matched Control-Input to Signal-Output
Capacitance: Reduces Output Signal
Transients
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SIG C OUT/IN
SIG C IN/OUT
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Frequency Response, Switch On = 40 MHz
Typical
100% Tested for Quiescent Current at 20 V
DESCRIPTION/ORDERING INFORMATION
The CD4066B-Q1 is a quad bilateral switch intended for the transmission or multiplexing of analog or digital
signals. It is pin-for-pin compatible with the CD4016B, but exhibits a much lower on-state resistance. In addition,
the on-state resistance is relatively constant over the full signal-input range.
The CD4066B-Q1 consists of four bilateral switches, each with independent controls. Both the p and the n
devices in a given switch are biased on or off simultaneously by the control signal. As shown in Figure 1, the well
of the n-channel device on each switch is tied to either the input (when the switch is on) or to VSS (when the
switch is off). This configuration eliminates the variation of the switch-transistor threshold voltage with input signal
and, thus, keeps the on-state resistance low over the full operating-signal range.
The advantages over single-channel switches include peak input-signal voltage swings equal to the full supply
voltage and more constant on-state impedance over the input-signal range. However, for sample-and-hold
applications, the CD4016B is recommended.
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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