AD7118_15 datasheet(1/6 Pages) AD

Nome de Peças	AD7118

Descrição Electrónicos	CMOS Logarithmic D/A Converter

PDF	6 Pages

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Fabricante Electrônico	AD [Analog Devices]

Página de início	http://www.analog.com

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REV. A

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

a

LOGDAC

CMOS Logarithmic D/A Converter

AD7118*

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 617/329-4700

Fax: 617/326-8703

GENERAL DESCRIPTION

The LOGDAC

® AD7118 is a CMOS multiplying D/A con-

verter which attenuates an analog input signal over the range

0 to –85.5 dB in 1.5 dB steps. The analog output is determined

by a six-bit attenuation code applied to the digital inputs.

Operating frequency range of the device is from dc to several

hundred kHz.

The device is manufactured using an advanced monolithic

silicon gate thin-film on CMOS process and is packaged in a

14-pin dual-in-line package.

ORDERING INFORMATION

Specified

Temperature

Accuracy

Package

Model

Range

Option

1

AD7118KN

0

°C to +70°C

0 to 42 dB

N-16

AD7118LN

0

°C to +70°C

0 to 48 dB

N-16

AD7118BQ

–25

°C to +85°C

0 to 42 dB

Q-16

AD7118CQ

–25

°C to +85°C

0 to 48 dB

Q-16

AD7118TQ

2

–55

°C to +125°C

0 to 42 dB

Q-16

AD7118UQ

2

–55

°C to +125°C

0 to 48 dB

Q-16

NOTES

1N = Plastic DIP; Q = Cerdip.

2To order MIL-STD-883, Class B processed parts, add /883B to part number.

*Protected by U.S. Patent No. 4521,764.

LOGDAC is a registered trademark of Analog Devices, Inc.

FEATURES

Dynamic Range 85.5 dB

Resolution 1.5 dB

Full

25 V Input Range Multiplying DAC

Full Military Temperature Range –55 C to +125 C

Low Distortion

Low Power Consumption

Latch Proof Operation (Schottky Diodes Not Required)

Single 5 V to 15 V Supply

APPLICATIONS

Digitally Controlled AGC Systems

Audio Attenuators

Wide Dynamic Range A/D Converters

Sonar Systems

Function Generators

FUNCTIONAL DIAGRAM

PIN CONFIGURATION

OBSOLETE

Nº de peça semelhante - AD7118_15

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Analog Devices	AD7118BQ	197Kb / 6P	LOGDAC CMOS Logarithmic D/A Converter REV.A
	AD7118CQ	197Kb / 6P	LOGDAC CMOS Logarithmic D/A Converter REV.A
	AD7118KN	197Kb / 6P	LOGDAC CMOS Logarithmic D/A Converter REV.A
	AD7118LN	197Kb / 6P	LOGDAC CMOS Logarithmic D/A Converter REV.A
	AD7118TQ2	197Kb / 6P	LOGDAC CMOS Logarithmic D/A Converter REV.A

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Descrição semelhante - AD7118_15

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	AD7112	230Kb / 12P	LC2MOS LOGDAC Dual Logarithmic D/A Converter REV.0
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