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PDF ( 数据手册 , 数据表 ) UPC1251GR-9LG

零件编号 UPC1251GR-9LG
描述 SINGLE POWER SUPPLY DUAL OPERATIONAL AMPLIFIERS
制造商 NEC
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UPC1251GR-9LG 数据手册, 描述, 功能
DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
μ PC1251GR-9LG, μ PC1251MP-KAA, μ PC358GR-9LG
www.datasheet4u.com SINGLE POWER SUPPLY DUAL OPERATIONAL AMPLIFIERS
<R> DESCRIPTION
The μ PC1251GR-9LG, μ PC1251MP-KAA, μ PC358GR-9LG are dual operational amplifiers which are designed to
operate for a single power supply. It includes features of low-voltage operation, a common-mode input voltage that
range from V(GND) level, an output from a V(GND) level that is determined by the output stage of class C push-
pull circuit and a 50 μA(TYP.) constant current, and a low current consumption.
In addition, this can operate at both positive and negative power supply and it can be extensively used in various
amplifier circuits.
The μ PC1251GR-9LG, μ PC1251MP-KAA which expands temperature type is suited for wide operating ambient
temperature use, and μ PC358GR-9LG is used for general purposes.
A DC parameter selection that is compatible to operational amplifiers is also available.
μ PC451GR-9LG, μ PC324GR-9LG which are quad types with the same circuit configuration are also available as
series of operational amplifiers.
<R> FEATURES
• Input Offset Voltage
±2 mV (TYP.)
• Internal frequency compensation
• Input Offset Current
±5 nA (TYP.)
• Output short-circuit protection
• Large Signal Voltage Gain 100000 (TYP.)
• Small Package
The mounting area is reduced to 40% or 66% compared to the conventional 8-pin plastic SOP as shown in the
following diagram.
Package
Subject part number
Outline comparison
Standard SOP
μ PC1251G2,
μ PC358G2
TSSOP
μ PC1251GR-9LG,
μ PC358GR-9LG
TSSOP (2.8 x 2.9)
μ PC1251MP-KAA
(Mounting area ratio)
6.5 4.4
6.4
5.2
(100%)
3.15
(60%)
2.8 4.0
2.9
(34%)
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. G17929EJ3V0DS00 (3rd edition)
Date Published December 2007 NS
2006, 2007
Printed in Japan
The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.







UPC1251GR-9LG pdf, 数据表
μ PC1251GR-9LG, μ PC1251MP-KAA, μ PC358GR-9LG
<R> PRECAUTIONS FOR USE
O The process of unused circuits
If there is an unused circuit, the following connection is recommended.
www.datasheet4u.com
Process example of unused circuits
V+ V+
R
+
R
To potentials within the range of
common-mode input voltage (VICM)
V
Remark A midpoint potential of V+ and Vis applied to this example.
V
O Ratings of input/output pin voltage
When the voltage of input/output pin exceeds the absolute maximum rating, it may cause degradation of
characteristics or damages, by a conduction of a parasitic diode within an IC. In addition, when the input pin may be
lower than V, or the output pin may exceed the power supply voltage, it is recommended to make a clump circuit by
a diode whose forward voltage is low (e.g.: Schottky diode) for protection.
O Range of common-mode input voltage
When the supply voltage does not meet the condition of electrical characteristics, the range of common-mode
input voltage is as follows.
VICM (TYP.): Vto V+ 1.5 (V) (TA = 25°C)
During designing, temperature characteristics for use with allowance.
O The maximum output voltage
The range of the TYP. value of the maximum output voltage when the supply voltage does not meet the condition
of electrical characteristics is as follows:
VOm+ (TYP.): V+ 1.5 (V) (TA = 25°C), VOm(TYP.) (IO SINK 50 μA): Approx. V(V) (TA = 25°C)
During designing, consider variations in characteristics and temperature characteristics for use with allowance.
In addition, also note that the output voltage range (VOm+ VOm) becomes narrow when an output current
increases.
O Operation of output
This IC consist an output level of a class C push-pull. Therefore, when a load resistance is connected to the
midpoint potential of V+, V, a crossover distortion occurs at the transition state of output current flow direction
(source, sink).
O Handling of ICs
When stress is added to ICs due to warpage or bending of a board, the characteristic fluctuates due to
piezoelectric effect. Therefore, pay attention to warpage or bending of a board.
8 Data Sheet G17929EJ3V0DS














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