AMIS-49200 参数 Datasheet PDF下载

AMIS-49200 Fieldbus MAU

Data Sheet

3.2 Power Supply Blocks

Table 5: Regulator Specifications

Parameter

Shunt Regulator

Output voltage

Sink current

Load capacitance

Load regulation

Temperature coefficient

Series Regulator

Input voltage

Output voltage

Output current

Symbol

V

CC

I

SH

C

SH

TC

Vcc

V

CC

V

O

I

SR

Min.

4.85

4.75

0.001

5

0

Typ.

5.0

Max.

5.15

6.2

25

Units

V

V

mA

µF

%

ppm/°C

V

V

V

mA

µF

%

ppm/°C

% Vref

V

µA

µA

Conditions

Preset, I

SH

= 1 to 5mA

External setting

Internal pass transistor N-ch &

pad

I

SH

= 1 to 25mA

No load capacitance

Internally tied to V

CC

pin

Preset, I

SR

= 0

External setting & N-JFET

Internal pass transistor P-ch &

pad

For stability use Cap w/ ESR

I

SR

= 0 to 20mA

1.6

4

±200

6.2

4.75

2.91

2.85

3.0

3.09

3.5

20

Load capacitance

C

SR

5

Load regulation

0

Temperature coefficient

TC

Vo

Low Voltage Detectors

(applies to N_PFail1 and N_PFail2)

Threshold

V

TH9

85

Hysteresis

Output sink current

Output leakage current

V

HYS5

I

OL

I

L

.012

30

2

±200

90

.025

4

95

.038

135

1

SxSETIN > V

TH9

(output: L

SxSETIN < (V

TH9 -

V

HYS5

)

(output: H

L)

V

OL

=0.4V (open drain)

V

OH

= 5V

H)

Table 6: Voltage Reference Specifications

Parameter

Symbol

Bandgap Voltage Reference

Output voltage tolerance

V

REF

Temperature drift

Hysteresis

1

Min.

1.157

-

4.75

-

1.95

-30

0.01

Typ.

1.185

50

100

5

-

2.0

0.1

Max.

1.205

-

6.2

0

2.05

100

1

±

200

Units

V

ppm/°C

µV

V

µA

V

µA

µF

ppm/°C

Conditions

Equates to: +/- 2 percent

Note 1

No load during operation

V

REFHYS

V

CCREF

I

REFOUT

V

MID

I

MID

C

MID

TC

MID

Supply voltage

Load current

V

MID

voltage reference

Output voltage

Output current

Load capacitance

Temperature coefficient

Notes:

1.

DVC6000F uses 1uF

Hysteresis is defined as the change in the 25°C reading after 85°C to 25°C cycle and –40°C to 25°C cycle.

3.3 Transmitter Blocks

Table 7: MDS-MAU Interface

Parameter

MDS-MAU Interface

POL input pin

TxE input pin

TxS input pin

Symbol

POL

TxE

TxS

Min.

Typ.

Max.

Units

V

Conditions

See Schmitt Trigger Input Specs.

V

V

Note:

The associated MDS chip must handle the jabber detect function.

AMI Semiconductor

– Jan. 07, M-20532-003

www.amis.com

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