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参数资料
| 型号： | TS5A23167DCTR |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 0.9-W DUAL SPST ANALOG SWITCH 5-V/3.3-V 2-CHANNEL ANALOG SWITCH |
| 中文描述： | 0.9钨双路SPST模拟开关5-V/3.3-V 2通道模拟开关 |
| 文件页数： | 18/25页 |
| 文件大小： | 346K |
| 代理商： | TS5A23167DCTR |
www.ti.com
TS5A23167
0.9-
DUAL SPST ANALOG SWITCH
5-V/3.3-V 2-CHANNEL ANALOG SWITCH
SCDS195–MAY 2005
PARAMETER DESCRIPTION
SYMBOL
V
COM
V
NC
r
on
r
peak
r
on
r
on(flat)
DESCRIPTION
Voltage at COM
Voltage at NC
Resistance between COM and NC ports when the channel is ON
Peak on-state resistance over a specified voltage range
Difference of r
on
between channels in a specific device
Difference between the maximum and minimum value of r
on
in a channel over the specified range of conditions
Leakage current measured at the NC port, with the corresponding channel (NC to COM) in the OFF state under worst-case
input and output conditions
Leakage current measured at the NC port during the power-down condition, V
+
= 0
Leakage current measured at the COM port, with the corresponding channel (COM to NC) in the OFF state under
worst-case input and output conditions
Leakage current measured at the COM port during the power-down condition, V
+
= 0
Leakage current measured at the NC port, with the corresponding channel (NC to COM) in the ON state and the output
(COM) open
Leakage current measured at the COM port, with the corresponding channel (COM to NC) in the ON state and the output
(NC) open
Minimum input voltage for logic high for the control input (IN)
Maximum input voltage for logic low for the control input (IN)
Voltage at the control input (IN)
Leakage current measured at the control input (IN)
Turn-on time for the switch. This parameter is measured under the specified range of conditions and by the propagation
delay between the digital control (IN) signal and analog output (COM or NC) signal when the switch is turning ON.
Turn-off time for the switch. This parameter is measured under the specified range of conditions and by the propagation
delay between the digital control (IN) signal and analog output (COM or NC) signal when the switch is turning OFF.
Charge injection is a measurement of unwanted signal coupling from the control (IN) input to the analog (NC or COM)
output. This is measured in coulomb (C) and measured by the total charge induced due to switching of the control input.
Charge injection, Q
C
= C
L
×
V
COM
, C
L
is the load capacitance, and
V
COM
is the change in analog output voltage.
Capacitance at the NC port when the corresponding channel (NC to COM) is OFF
Capacitance at the COM port when the corresponding channel (COM to NC) is OFF
Capacitance at the NC port when the corresponding channel (NC to COM) is ON
Capacitance at the COM port when the corresponding channel (COM to NC) is ON
Capacitance of control input (IN)
OFF isolation of the switch is a measurement of OFF-state switch impedance. This is measured in dB in a specific
frequency, with the corresponding channel (NC to COM) in the OFF state.
Crosstalk is a measurement of unwanted signal coupling from an ON channel to an adjacent ON channel (NC1 to NC2).
This is measured in a specific frequency and in dB.
Bandwidth of the switch. This is the frequency in which the gain of an ON channel is –3 dB below the DC gain.
Total harmonic distortion describes the signal distortion caused by the analog switch. This is defined as the ratio of root
mean square (RMS) value of the second, third, and higher harmonic to the absolute magnitude of the fundamental
harmonic.
Static power-supply current with the control (IN) pin at V
+
or GND
I
NC(OFF)
I
NC(PWROFF)
I
COM(OFF)
I
COM(PWROFF)
I
NC(ON)
I
COM(ON)
V
IH
V
IL
V
I
I
IH
, I
IL
t
ON
t
OFF
Q
C
C
NC(OFF)
C
COM(OFF)
C
NC(ON)
C
COM(ON)
C
I
O
ISO
X
TALK
BW
THD
I
+
18
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