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AU5517

Dual Operational Transconductance Amplifier

ON Semiconductor 

NE5517, NE5517A, AU5517

Dual Operational

Transconductance Amplifier

The AU5517 and NE5517 contain two current-controlled

transconductance amplifiers, each with a differential input and

push-pull output. The AU5517/NE5517 offers significant design and

performance advantages over similar devices for all types of

programmable gain applications. Circuit performance is enhanced

through the use of linearizing diodes at the inputs which enable a

10 dB signal-to-noise improvement referenced to 0.5% THD. The

AU5517/NE5517 is suited for a wide variety of industrial and

consumer applications.

Constant impedance of the buffers on the chip allow general use of

the AU5517/NE5517. These buffers are made of Darlington

transistors and a biasing network that virtually eliminate the change of

offset voltage due to a burst in the bias current IABC, hence eliminating

the audible noise that could otherwise be heard in high quality audio

applications.

Features

• Constant Impedance Buffers

• DVBE of Buffer is Constant with Amplifier IBIAS Change

• Excellent Matching Between Amplifiers

• Linearizing Diodes

• High Output Signal-to-Noise Ratio

• Pb−Free Packages are Available*

Applications

• Multiplexers

• Timers

• Electronic Music Synthesizers

• Dolby® HX Systems

• Current-Controlled Amplifiers, Filters

• Current-Controlled Oscillators, Impedances

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

© Semiconductor Components Industries, LLC, 2013

1

June, 2013 − Rev. 4

http://onsemi.com

MARKING

DIAGRAMS

SOIC−16

1

D SUFFIX

CASE 751B

xx5517DG

AWLYWW

1

1

PDIP−16

NE5517yy

N SUFFIX

AWLYYWWG

CASE 648

1

xx = AU or NE

yy = AN or N

A = Assembly Location

WL = Wafer Lot

YY, Y = Year

WW = Work Week

G = Pb−Free Package

PIN CONNECTIONS

N, D Packages

IABCa 1

Da 2

+INa 3

−INa 4

VOa 5

V− 6

INBUFFERa 7

VOBUFFERa 8

16 IABCb

15 Db

14 +INb

13 −INb

12 VOb

11 V+

10 INBUFFERb

9 VOBUFFERb

(Top View)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 13 of this data sheet.

Publication Order Number:

NE5517/D

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