Dual Transmission Gate: TG2DB

 

Key Features

  • Low Input Capacitance
  • Small Clock Feedthrough
  • Small Area 908µm²
  • Size x=25.8µm y=35.2µm
  • Replaces two single transmission gates TG2B

Symbol

Description

The TG2DB is a dual transmission gate with small MOSFET dimensions (minimum widths). It is intended for use in switch-capacitor circuits and has symmetrically sized device geometries for minimal clock feedthrough.

Pin List

Pin Description Capacitance
a input 1 0.02pF
b input 2 0.02pF
out common output 0.02pF
en clock1 0.08pF
ep inverted clock1 0.08pF
en clock2 0.08pF
ep inverted clock2 0.08pF
vdda positive analogue power supply x
vssa negative analogue power supply x

Electrical Parameters

Parameter Symbol Min Typ Max Unit
Power Supply Range Vdd 4.5
5.0
5.5
V
Temperature Range Temp -50
25
125
deg
Ron at VSS ron 0.2
0.35
0.6
kOhms
Ron at VDD ron 1.0
1.2
1.4
kOhms
Ron MAX ron 1.24
1.4
1.8
kOhms