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Image CD4066
型号: CD4066
厂商: Texas Instruments Texas Instruments
标准:
分类: 半导体
描述: cmos quad bilateral switch
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CD4066B  
CMOS QUAD BILATERAL SWITCH  
SCHS051D – NOVEMBER 1998 – REVISED SEPTEMBER 2003  
15-V Digital or ±7.5-V Peak-to-Peak  
Matched Control-Input to Signal-Output  
Capacitance: Reduces Output Signal  
Transients  
Switching  
125-? Typical On-State Resistance for 15-V  
Operation  
Frequency Response, Switch On = 40 MHz  
Typical  
Switch On-State Resistance Matched to  
Within 5 ? Over 15-V Signal-Input Range  
On-State Resistance Flat Over Full  
Peak-to-Peak Signal Range  
100% Tested for Quiescent Current at 20 V  
5-V, 10-V, and 15-V Parametric Ratings  
Meets All Requirements of JEDEC Tentative  
Standard No. 13-B, Standard Specifications  
for Description of “B” Series CMOS  
Devices  
High On/Off Output-Voltage Ratio: 80 dB  
Typical at f = 10 kHz, R = 1 k?  
is  
L
High Degree of Linearity: <0.5% Distortion  
Typical at f = 1 kHz, V = 5 V p-p,  
Applications:  
is  
is  
V
– V 10 V, R = 10 k?  
– Analog Signal Switching/Multiplexing:  
Signal Gating, Modulator, Squelch  
Control, Demodulator, Chopper,  
Commutating Switch  
DD  
SS  
L
Extremely Low Off-State Switch Leakage,  
Resulting in Very Low Offset Current and  
High Effective Off-State Resistance: 10 pA  
– Digital Signal Switching/Multiplexing  
– Transmission-Gate Logic Implementation  
– Analog-to-Digital and Digital-to-Analog  
Conversion  
– Digital Control of Frequency, Impedance,  
Phase, and Analog-Signal Gain  
Typical at V  
– V = 10 V, T = 25°C  
DD  
SS A  
Extremely High Control Input Impedance  
(Control Circuit Isolated From Signal  
12  
Circuit): 10 ? Typical  
Low Crosstalk Between Switches: –50 dB  
Typical at f = 8 MHz, R = 1 k?  
is  
L
E, F, M, NS, OR PW PACKAGE  
(TOP VIEW)  
1
2
3
4
5
6
7
14  
13  
12  
11  
SIG A IN/OUT  
SIG A OUT/IN  
SIG B OUT/IN  
SIG B IN/OUT  
CONTROL B  
CONTROL C  
V
DD  
CONTROL A  
CONTROL D  
SIG D IN/OUT  
10 SIG D OUT/IN  
9
8
SIG C OUT/IN  
SIG C IN/OUT  
V
SS  
description/ordering information  
The CD4066B 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 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 V (when the switch  
SS  
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.  
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.  
Copyright ? 2003, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 ? DALLAS, TEXAS 75265  
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