參數(shù)資料
型號(hào): TLC252Y
廠商: Texas Instruments, Inc.
英文描述: LinCMOSE DUAL OPERATIONAL AMPLIFIERS
中文描述: LinCMOSE雙運(yùn)算放大器
文件頁(yè)數(shù): 20/21頁(yè)
文件大?。?/td> 330K
代理商: TLC252Y
TLC252, TLC252A, TLC252B, TLC252Y, TLC25L2, TLC25L2A, TLC25L2B
TLC25L2Y, TLC25M2, TLC25M2A, TLC25M2B, TLC25M2Y
LinCMOS
DUAL OPERATIONAL AMPLIFIERS
SLOS002G – JUNE 1983 – REVISED AUGUST 1996
20
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
latch-up avoidance
Junction-isolated CMOS circuits have an inherent parasitic PNPN structure that can function as an SCR. Under
certain conditions, this SCR may be triggered into a low-impedance state, resulting in excessive supply current.
To avoid such conditions, no voltage greater than 0.3 V beyond the supply rails should be applied to any pin.
In general, the operational amplifier supplies should be applied simultaneously with, or before, application of
any input signals.
output stage considerations
The amplifier’s output stage consists of a source-follower-connected pullup transistor and an open-drain
pulldown transistor. The high-level output voltage (V
OH
) is virtually independent of the I
DD
selection and
increases with higher values of V
DD
and reduced output loading. The low-level output voltage (V
OL
) decreases
with reduced output current and higher input common-mode voltage. With no load, V
OL
is essentially equal to
the potential of V
DD–
/GND.
supply configurations
Even though the TLC252/25_2C series is characterized for single-supply operation, it can be used effectively
in a split-supply configuration if the input common-mode voltage (V
ICR
), output swing (V
OL
and V
OH
), and supply
voltage limits are not exceeded.
circuit layout precautions
The user is cautioned that whenever extremely high circuit impedances are used, care must be exercised in
layout, construction, board cleanliness, and supply filtering to avoid hum and noise pickup, as well as excessive
dc leakages.
相關(guān)PDF資料
PDF描述
TLC25L2Y LinCMOSE DUAL OPERATIONAL AMPLIFIERS
TLC25L4CPW LinCMOSE QUAD OPERATIONAL AMPLIFIERS
TLC25L4Y LinCMOSE QUAD OPERATIONAL AMPLIFIERS
TLC25M2Y LinCMOSE DUAL OPERATIONAL AMPLIFIERS
TLC25M4ACD LinCMOSE QUAD OPERATIONAL AMPLIFIERS
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TLC2543CDB 制造商:Texas Instruments 功能描述:A/D Converter (A-D) IC
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