Fieldbus Physical Layer Medium Access Unit (MAU)

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Overview

AMIS-49200 and AMIS-49250 Fieldbus MAU (media access units) are transceiver chips for low speed FOUNDATION Fieldbus® and Profibus® PA devices.
AMIS-49200 was designed to be a near pin-for-pin replacement of the Yokogawa µSAA22Q MAU. 'Near pin-for-pin' means that associated component values may change, but no board changes are required.
AMIS-49250 is a small, micro-lead frame version, in a 7.0 x 7.0 mm NQFP-44 package.

  • Process automation
  • Pressure and temperature monitoring
  • Paper manufacturing
  • Control or flow metering devices for oil refineries
  • Natural gas production
  • All node power can be supplied by the bus, via the AMIS-492x0
  • Current consumption 500 uA (typ)
  • VCC voltage: 6.2 V to 4.75 V
  • VDD voltage: 5.5 V to 2.7 V
  • Compatible with IEC 1158-2 and ISA 50.02
  • Shunt regulator
  • Voltage reference (internal only)
  • Series regulator
  • Bandpass filter
  • Slew rate control
  • Segment current control
  • Low voltage detection
  • Carrier detect
  • Data rate: 31.25 kbps voltage mode
  • Dual voltage supply: 3.0 to 6.2 V

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Pricing ($/Unit)

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AMIS-49200-XTD

Active

Pb

A

H

P

LQFP-44

3

260

JTRAY

160

Y

MAU

31.25 kbps

1

1

4.75

6.2

4.7

30000

0.001

$8.9976

More Details

AMIS-49200-XTP

Active

Pb

A

H

P

LQFP-44

3

260

REEL

1500

Y

MAU

31.25 kbps

1

1

4.75

6.2

4.7

30000

0.001

$8.9976

More Details

AMIS-49250-XTP

Active

Pb

A

H

P

NQFP-44

3

260

REEL

2500

Y

MAU

31.25 kbps

1

1

4.75

6.2

4.7

30000

0.001

$8.9976

More Details

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