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TS321 の電気的特性と機能

TS321のメーカーはTaiwan Semiconductorです、この部品の機能は「Low Power Single Operational Amplifier」です。


製品の詳細 ( Datasheet PDF )

部品番号 TS321
部品説明 Low Power Single Operational Amplifier
メーカ Taiwan Semiconductor
ロゴ Taiwan Semiconductor ロゴ 




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TS321 Datasheet, TS321 PDF,ピン配置, 機能
TS321
Low Power Single Operational Amplifier
SOT-25
Pin Definition:
1. Input +
2. Ground
3. Input -
4. Output
5. Vcc
General Description
The TS321 brings performance and economy to low power systems. With high unity gain frequency and a guaranteed
0.4V/uS slew rate, the quiescent current is only 430uA/amplifier (5V). The input common mode range includes ground
and therefore the device is able to operate in single supply applications as well as in dual supply applications. It is also
capable of comfortably driving large capacitive loads.
The TS321 is available in the SOT-25 package. Overall the TS321 is a low power, wide supply range performance OP
Amp that can be designed into a wide range of applications at an economical price without sacrificing valuable board
space.
Features
Short circuit protected outputs
True differential input stage
Wide supply voltage range +3V to 32V
Low input bias currents
Internally compensated
Common mode range extends to negative supply
Single Version of TS324
Block Diagram
Applications
Chargers
Power Supplies
Industrial: Controls, Instruments
Desktops
Communications Infrastructure
Ordering Information
Part No.
TS321CX5 RFG
Package
Packing
SOT-25 3,000pcs / 7” Reel
Absolute Maximum Rating
Parameter
Supply Voltage
Input Voltage
Input Current (VIN < -0.3V)
Output Short Circuit Duration
Operating Temperature Range
Storage Temperature Range
Mounting Temperature (Soldering @ 260 oC)
Thermal Resistance Junction to Ambient
Symbol
Vcc
VIN
VI
tsc
TOPR
TSTG
RӨJA
Limit
+32
-0.3 to +32
50
Continuous
-40 ~ +85
-65 ~ +150
10
265
Unit
V
V
mA
oC
oC
S
oC/W
Document Number: DS_P0000227
1
Version: B15

1 Page





TS321 pdf, ピン配列
TS321
Low Power Single Operational Amplifier
Application Hints
The TS321 OP amp can operate with a single or dual power supply voltage has true-differential inputs, and remain in
he linear mode with an input common-mode voltage of 0 VDC. This amplifier operates over a wide range of power
supply voltages, with little change in performance characteristics .At 25oC amplifier operation is possible down to a
minimum supply voltage of 3V.
Large differential input voltage can be easily accommodates and, as input differential voltage protection diodes are not
needed, no large input currents result from large differential input voltage. The differential input voltage may be larger
than V+ without damaging the device. Protection should be provided to prevent the input voltage from going negative
more than –0.3 VDC (at 25oC).
An input clamp diode with a resistor to the IC input terminal can be used.
To reduce the power supply drain, the amplifier has a class A output stage for small signal levels which converts to
class B in a large signal mode. This allows the amplifiers to both source and sink large output currents. Therefore both
NPN and PNP external current boots transistor can be used to extend the power capability of the basic amplifiers. The
output voltage needs to raise approximately 1 diode drop above ground to bias the on-chip vertical PNP transistor for
output current sinking applications.
For AC applications, where the load is capacitively coupled to the output of the amplifier, a resistor should be used,
from the output of the amplifier to ground to increase the class A bias current and to reduce distortion. Capacitive loads
which are applied directly to the output of the amplifier reduce the loop stability margin. Values of 50pF can be
accommodated using the worst-case non-inverting unity gain connection. Large closed loop gains or resistive isolation
should be used if large load capacitance must be driven by the amplifier
The bias network of the TS312 establishes a supply current which is independent of the magnitude of the magnitude of
the power supply voltage over the range of from 3VDC to 3VDC.
Output short circuits either to ground or to the positive power supply should be of short time duration. Units can be
destroyed , not as a result of the short circuit current causing metal fusing, but rather due to the large increase in IC
chip dissipation which cause eventual failure due to excessive junction temperatures. The large value of output source
current which is available at 25oC, provides a large output current capability at elevated temperature than a standard IC
op amp.
The circuits presented in the section on typical applications emphasize operation on only a single power supply voltage.
If complementary power supplies are available, all of the standard op amp circuits can be used. In general, introducing
a pseudo-ground (a bias voltage reference of V+/2) will allow operation above and below this value in single power
supply systems. Many application circuits are shown which take advantage of the wide input common-mode voltage
range which includes ground. In most cases, input biasing is not required and input voltage which range to ground can
easily be accommodated.
Typical Applications
Figure 1. LED Driver
Document Number: DS_P0000227
Figure 2. Lamp Driver
3 Version: B15


3Pages


TS321 電子部品, 半導体
TS321
Low Power Single Operational Amplifier
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf,
assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, to any
intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of sale for
such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale
and/or use of TSC products including liability or warranties relating to fitness for a particular purpose, merchantability,
or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers
using or selling these products for use in such applications do so at their own risk and agree to fully indemnify TSC for
any damages resulting from such improper use or sale.
Document Number: DS_P0000227
6
Version: B15

6 Page



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