Data Sheet ADG658/ADG659
Rev. D | Page 15 of 20
TERMINOLOGY
V
D
(V
S
)
Analog Voltage on Terminals D, S.
R
ON
Ohmic Resistance between D and S.
∆R
ON
On Resistance Match between Any Two Channels, i.e., R
ON
max
− R
ON
min.
R
FLAT(ON)
Flatness is defined as the difference between the maximum and
minimum value of ON Resistance as measured over the
specified analog signal range.
I
S
(OFF)
Source Leakage Current with the Switch OFF.
I
D
(OFF)
Drain Leakage Current with the Switch OFF.
I
D
, I
S
(ON)
Channel Leakage Current with the Switch ON.
V
INL
Maximum Input Voltage for Logic 0.
V
INH
Minimum Input Voltage for Logic 1.
I
INL
(I
INH
)
Input Current of the Digital Input.
C
S
(OFF)
OFF Switch Source Capacitance. Measured with reference to
ground.
C
D
(OFF)
OFF Switch Drain Capacitance. Measured with reference to
ground.
C
D
, C
S
(ON)
ON Switch Capacitance. Measured with reference to ground.
C
IN
Digital Input Capacitance.
t
ON
Delay between Applying the Digital Control Input and the
Output Switching ON. See Figure 27.
t
OFF
Delay between Applying the Digital Control Input and the
Output Switchi ng OF F.
t
BBM
ON Time. Measured between 80% points of both switches when
switching from one address state to another.
Charge Injection
Measure of the Glitch Impulse Transferred from the Digital
Input to the Analog Output during Switching.
Off Isolation
Measure of Unwanted Signal Coupling through an OFF Switch.
Crosstalk
Measure of Unwanted Signal Coupled through from One
Channel to Another as a Result of Parasitic Capacitance.
Bandwidth
The Frequency at which the Output is Attenuated by 3 dB.
On Response
The Frequency Response of the ON Switch.
Insertion Loss
The Loss Due to the ON Resistance of the Switch.
