Datasheet > CA3280AE

CA3280AE

更新时间： 2024-09-30 22:50:27

品牌	Logo	应用领域
英特矽尔 - INTERSIL		放大器
页数	文件大小	规格书
10页	289K
描述
Dual, 9MHz, Operational Transconductance Amplifier (OTA)

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CA3280AE 数据手册

CA3280, CA3280A

Data Sheet

September 1998

File Number 1174.4

Dual, 9MHz, Operational

Features

Transconductance Ampliﬁer (OTA)

• Low Initial Input Offset Voltage: 500µV (Max) (CA3280A)

The CA3280 and CA3280A types consist of two variable

operational amplifiers that are designed to substantially reduce

the initial input offset voltage and the offset voltage variation

with respect to changes in programming current. This design

results in reduced “AGC thump,” an objectionable characteristic

of many AGC systems. Interdigitation, or crosscoupling, of

critical portions of the circuit reduces the amplifier dependence

upon thermal and processing variables.

• Low Offset Voltage Change vs I

for All Types

: <500µV (Typ)

ABC

• Low Offset Voltage Drift: 5µV/ C (Max) (CA3280A)

• Excellent Matching of the Two Ampliﬁers for All

Characteristics

• Internal Current-Driven Linearizing Diodes Reduce the

External Input Current to an Offset Component

The CA3280 has all the generic characteristics of an

• Flexible Supply Voltage Range. . . . . . . . . . . ±2V to ±15V

operational voltage amplifier except that the forward transfer

characteristics is best described by transconductance rather

than voltage gain, and the output is current, not voltage. The

magnitude of the output current is equal to the product of

transconductance and the input voltage. This type of

operational transconductance amplifier was first introduced in

1969, and it has since gained wide acceptance as a gateable,

gain controlled building block for instrumentation and audio

applications, such as linearization of transducer outputs,

standardization of widely changing signals for data processing,

multiplexing, instrumentation amplifiers operating from the

nanopower range to high current and high speed comparators.

Applications

• Voltage Controlled Ampliﬁers

• Voltage Controlled Oscillators

• Multipliers

• Demodulators

• Sample and Hold

• Instrumentation Ampliﬁers

• Function Generators

• Triangle Wave-to-Sine Wave Converters

• Comparators

For additional application information on this device and on

OTAs in general, please refer to Application Notes: AN6818,

AN6668, and AN6077.

• Audio Preampliﬁer

Pinout

Ordering Information

CA3280

(PDIP, CERDIP)

TOP VIEW

TEMP.

PKG.

NO.

PART NUMBER RANGE ( C)

PACKAGE

-55 to 125 16 Ld PDIP

0 to 70 16 Ld PDIP

-55 to 125 16 Ld CERDIP

CA3280AE

CA3280E

E16.3

I , A1

16 +IN, A1

15 -IN, A1

14 V+, A1

13 OUT, A1

12 OUT, A2

11 V+, A2

10 -IN, A2

E16.3

F16.3

EMITTER, A1

, A1

V-

ABC

CA3280AF3

, A2

ABC

EMITTER, A2

I , A2

+IN, A2

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

12 3 4 5 6 7...10

中文翻译

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CA3280AE 替代型号

型号	品牌	替代类型	描述	数据表
NE5517NG	ONSEMI	功能相似	Dual Operational Transconductance Amplifier
NE5517ANG	ONSEMI	功能相似	Dual Operational Transconductance Amplifier

与CA3280AE相关器件

型号	品牌	获取价格	描述	数据表
CA3280AF	ETC	获取价格	Transconductance Operational Amplifier
CA3280AF3	INTERSIL	获取价格	Dual, 9MHz, Operational Transconductance Amplifier (OTA)
CA3280E	INTERSIL	获取价格	Dual, 9MHz, Operational Transconductance Amplifier (OTA)
CA3280F	ETC	获取价格	Transconductance Operational Amplifier
CA3282	INTERSIL	获取价格	Octal Low Side Power Driver with Serial Bus Control
CA3282AS1	INTERSIL	获取价格	Octal Low Side Power Driver with Serial Bus Control
CA3282AS2	INTERSIL	获取价格	Octal Low Side Power Driver with Serial Bus Control
CA3290	INTERSIL	获取价格	BiMOS Dual Voltage Comparators with MOSFET Input, Bipolar Output
CA3290_04	INTERSIL	获取价格	BiMOS Dual Voltage Comparators with MOSFET Input, Bipolar Output
CA3290A	INTERSIL	获取价格	BiMOS Dual Voltage Comparators with MOSFET Input, Bipolar Output

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