ML2008IP Micro Linear, ML2008IP Datasheet

ML2008IP

Manufacturer Part Number

ML2008IP

Description

Manufacturer

Micro Linear

Datasheet

1.ML2008IP.pdf (11 pages)

Specifications of ML2008IP

Case

DIP18

Current page: 1 of 11
Download datasheet (156Kb)

GENERAL DESCRIPTION

The ML2008 and ML2009 are digitally controlled

logarithmic gain/attenuators with a range of –24 to +24dB

in 0.1dB steps.

Easy interface to microprocessors is provided by an input

latch and control signals consisting of chip select and

write.

The interface for gain setting of the ML2008 is by an 8-bit

data word, while the ML2009 is designed to interface to a

16-bit data bus with a single write operation by hard-

wiring the gain/attenuation pin or LSB pin. The ML2008

can be power downed by the microprocessor utilizing a

bit in the second write operation.

Absolute gain accuracy is 0.05dB max over supply

tolerance of 10% and temperature range.

These CMOS logarithmic gain/attenuators are designed for

a wide variety of applications in telecom, audio, sonar or

general purpose function generation.

BLOCK DIAGRAM

–5

COARSE

–

RESISTORS/

SWITCHES

GND

ML2008

AGND

P Compatible Logarithmic Gain/Attenuator

DECODERS

D1–D8

RESISTORS/

SWITCHES

–

FINE

PDN

BUFFER

–

OUT

FEATURES

* This Part Is End Of Life As Of August 1, 2000

** This Part Is Obsolete

Low noise

Low harmonic distortion

Gain range

Resolution

Flat frequency response

Low supply current

TTL/CMOS compatible digital interface

ML2008 is designed to interface to an 8-bit data bus;

ML2009 to 16-bit data bus

–5

ML2008*,

COARSE

–

RESISTORS/

SWITCHES

GND

AGND

D0–D8

ML2009*

DECODERS

0dBrnc max with +24dB gain

RESISTORS/

SWITCHES

4mA max from 5V supplies

–

FINE

0.10dB from 0.1-20kHz

0.05dB from 0.3-4kHz

ML2009**

BUFFER

–

–24 to +24dB

March 1997

0.1dB steps

–60dB max

OUT

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