CD4066B-Q1 - 汽车类 CMOS 四路双向开关

CD4066B-Q1是TI德州仪器公司的一款模拟开关产品，CD4066B-Q1是汽车类 CMOS 四路双向开关，本站介绍了CD4066B-Q1的封装应用图解、特点和优点、功能等，并给出了与CD4066B-Q1相关的TI元器件型号供参考。

CD4066B-Q1 - 汽车类 CMOS 四路双向开关 - 模拟开关 - 信号开关 - 德州仪器

产品描述

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 , 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.

产品特性

Qualified for Automotive Applications
15-V Digital or ±7.5-V Peak-to-Peak Switching
125-Ω Typical On-State Resistance for 15-V Operation
Switch On-State Resistance Matched to Within 5 Ω Over 15-V Signal-Input Range
On-State Resistance Flat Over Full Peak-to-Peak Signal Range
High On/Off Output-Voltage Ratio: 80 dB Typical at fis = 10 kHz, RL = 1 kύ
High Degree of Linearity: <0.5% Distortion Typical at fis = 1 kHz, Vis = 5 V p-p, VDD – VSS ≥ 10 V, RL = 10 kΩ
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
Extremely High Control Input Impedance (Control Circuit Isolated From Signal Circuit): 1012 Ω Typical
Low Crosstalk Between Switches: –50 dB Typical at fis = 8 MHz, RL = 1 kΩ
Matched Control-Input to Signal-Output Capacitance: Reduces Output Signal Transients
Frequency Response, Switch On = 40 MHz Typical
100% Tested for Quiescent Current at 20 V
5-V, 10-V, and 15-V Parametric Ratings
Latch-Up Exceeds 100mA per JESD78 - Class I
Meets All Requirements of JEDEC Tentative Standard No. 13-B, Standard Specifications for Description of "B" Series CMOS Devices
APPLICATIONS
- Analog Signal Switching/Multiplexing: Signal Gating, Modulator, Squelch Control, Demodulator, Chopper, Commutating Switch
- 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

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