MAX11960 datasheet(4/34 Pages) MAXIM

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Evaluates: MAX11960

MAX11960 Evaluation Kit

Table 1. Jumper Descriptions (continued)

JUMPER

SHUNT

POSITION

DESCRIPTION

JU11

1-2

Connects to REF offset.

3-4*

Connects to REF/2 offset.

5-6

Connects to GND.

JU12

1-2

Connects NONINV-B to GND

for inverting configuration on

channel B of the MAX11960.

3-4

Connects to the output of the op

amp (U15).

5-6*

Connects INV-B to GND for

noninverting configuration on

channel B of the MAX11960.

JU13

1-2

Connects REFB2 to positive

input of the op amp (U14).

3-4

GND the positive input of the op

amp (U14).

5-6*

Connects output of the op amp

(U16) to positive input of the op

amp (U14).

7-8

GND the negative input of the op

amp (U14).

9-10

Connects output of the op amp

(U16) to the negative input of the

op amp (U14).

JU16

1-2*

REFINAB connects to on-board

+3.0V reference.

2-3

User-supplied REFINAB. Apply

reference voltage at the EXT_

REFINAB test point.

JU17

1-2*

Set isolator’s voltage level to

OVDDA

2-3

Set isolator’s voltage level to

OVDDB

JU18

1-2, 4-5,

7-8, 16-17,

19-20,

22-23,

25-26*

Connects the SPI signals coming

from the FMC connectors to the

MAX11960.

Not

installed

User-supplied SPI. Connect

SPI signals at SCLK, CNVSTA,

CNVSTB, DINA, DINB, DOUA,

and DOUTB test points.

JUMPER

SHUNT

POSITION

DESCRIPTION

JU20

Not

installed*

Enables line driver.

Installed

Disables line driver.

JU22

1-2, 3-4*

DVDDA and DVDDB supplies

connects to on-board +1.8V

LDO.

Not

installed

User-supplied DVDDA and

DVDDB. Apply +1.8V at the

DVDDA and DVDDB test points.

JU23

1-3, 2-4*

OVDDA and OVDDB supplies

connects to on-board +1.8V

LDO.

3-5, 4-6

OVDDA and OVDDB supplies

connects to on-board +3.3V

LDO.

Not

installed

User-supplied OVDDA and

OVDDB. Apply +1.8V to +3.3V

at the OVDDA and OVDDB test

points.

JU24

1-2, 3-4*

AVDDA and AVDDB supplies

connects to on-board +1.8V

LDO.

Not

installed

User-supplied AVDDA and

AVDDB. Apply +1.8V at the

AVDDA and AVDDB test points.

JU25

1-2, 3-4*

REFVDDA and REFVDDB

supplies connects to on-board

+3.3V LDO.

Not

installed

User-supplied REFVDDA and

REFVDDB. Apply +3.3V at the

REFVDDA and REFVDDB test

points.

JU30

Install

Do not use.

Not

installed*

User-supplied +20V power-

supply header connection.

JU31

1-2*

Enabled MAX13256 (U2)

2-3

Disable MAX13256 (U2)

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