Datasheet > NE/SA5230

NE/SA5230

更新时间： 2024-11-25 23:53:31

品牌	Logo	应用领域
其他 - ETC		运算放大器
页数	文件大小	规格书
13页	203K
描述
Low Voltage Operational Amplifier

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NE/SA5230 数据手册

Philips Semiconductors Linear Products

Product specification

Low voltage operational amplifier

NE/SA5230

DESCRIPTION

PIN CONFIGURATION

The NE5230 is a very low voltage operational amplifier that can

perform with a voltage supply as low as 1.8V or as high as 15V. In

addition, split or single supplies can be used, and the output will

swing to ground when applying the latter. There is a bias adjusting

pin which controls the supply current required by the device and

thereby controls its power consumption. If the part is operated at

±0.9V supply voltages, the current required is only 110µA when the

current control pin is left open. Even with this low power

consumption, the device obtains a typical unity gain bandwidth of

180kHz. When the bias adjusting pin is connected to the negative

supply, the unity gain bandwidth is typically 600kHz while the supply

current is increased to 600µA. In this mode, the part will supply full

power output beyond the audio range.

N, D, FE Packages

–IN

+IN

–

OUTPUT

BIAS ADJ.

APPLICATIONS

The NE5230 also has a unique input stage that allows the

common-mode input range to go above the positive and below the

negative supply voltages by 250mV. This provides for the largest

possible input voltages for low voltage applications. The part is also

internally-compensated to reduce external component count.

• Portable precision instruments

• Remote transducer amplifier

• Portable audio equipment

• Rail-to-rail comparators

The NE5230 has a low input bias current of typically ±40nA, and a

large open-loop gain of 125dB. These two specifications are

beneficial when using the device in transducer applications. The

large open-loop gain gives very accurate signal processing because

of the large “excess” loop gain in a closed-loop system.

• Half-wave rectification without diodes

• Remote temperature transducer with 4 to 20mA output

transmission

The output stage is a class AB type that can swing to within 100mV

of the supply voltages for the largest dynamic range that is needed

in many applications. The NE5230 is ideal for portable audio

equipment and remote transducers because of its low power

consumption, unity gain bandwidth, and 30nV/√Hz noise

specification.

FEATURES

• Works down to 1.8V supply voltages

• Adjustable supply current

• Low noise

• Common-mode includes both rails

• V

within 100mV of both rails

OUT

ORDERING INFORMATION

DESCRIPTION

TEMPERATURE RANGE

0 to +70°C

ORDER CODE

NE5230D

DWG #

0174C

0404B

0174C

0580A

0404B

8-Pin Plastic Small Outline (SO) Package

8-Pin Plastic Dual In-Line Package (DIP)

8-Pin Plastic Small Outline (SO) Package

8-Pin Ceramic Dual In-Line Package (CERDIP)

8-Pin Plastic Dual In-Line Package (DIP)

0 to +70°C

NE5230N

-40°C to +85°C

SA5230D

SA5230FE

SA5230N

133

August 31, 1994

853-0942 13721

12 3 4 5 6 7...13

中文翻译

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