MAX11166 datasheet(4/17 Pages) MAXIM

4 / 17 page

Maxim Integrated │ 4

Evaluates: MAX11166

MAX11166 Evaluation System

www.maximintegrated.com

CS Mode (Single Channel)

The factory-default jumper settings have the ADCs on

the daughter board configured for CS mode, using the

MAX11166 (U1) only. In this configuration, the JU3 shunt

is in position 1-3, JU12 is in position 1-2, and JU13 is in

position1-2.ThemotherboardSPIMOSIdrivesU1DIN

throughJU3,thenU1DOUTdrivesthemotherboardSPI

MISOthroughJU5.U3isnotused.Inthesoftware,the

Device Configuration group Interface Mode Selection

must be set to

CS Mode.

Daisy-Chain Mode

To use the ADCs on the daughter board in daisy-chain

mode, move the shunts of JU3, JU12, and JU13 to the

1-2position.ThemotherboardSPIMOSIdrivesU3DIN,

and U3 DOUT drives U1 DIN through JU3. Then, U1

DOUTdrivesthemotherboardSPIMISOthroughJU5.In

the software, the

Device Configuration group Interface

Mode Selection must be set to Daisy-Chain Mode.

Multichannel Mode

To use the ADCs on the daughter board in multichan-

nel mode, move the shunts of JU3 to the 1-3 position,

and move the shunts of JU12 and JU13 to the 2-3

position. The mother board SPI MOSI drives U1 DIN

through JU3, then U1 DOUT drives the mother board

SPI MISO through JU5. The mother board SPI MOSI

drives U3 DIN directly, and U3 DOUT drives the

motherboardSPIMISOthroughJU12.U1andU3have

differentCONVSTsignalsinthismode,withU1CONVST

driven through JU6 from CONVST1, and U3 CONVST

driventhroughJU13fromCONVST2.Inthesoftware,the

Device Configuration group Interface Mode Selection

must be set to

Multichannel CS Mode.

Detailed Description of Hardware

The MAX11166 daughter board provides a proven layout

for the device. An external reference, level translators,

and SPI-interface pads are included on the daughter

board.

Reference

MeasureREFOUTatpin2ofJU5forallinternalreference

parts. Enter the value of the internal reference voltage into

the

Set Vref edit box in the software GUI.

For external reference parts, connect a reference

voltage to pin 2 of JU5. Measure and enter the value of

the external reference voltage into the

Set Vref edit box

of the software GUI.

User-Supplied SPI Interface

To use the daughter board with a user-supplied SPI inter-

face,firstmovetheshuntsofJU1–JU4tothe2-3position.

Next,applyyourown4.75Vto5.25Vpowersupplyatthe

VDDPCBpad.Lastly,connectyourCS,SCLK,andDIN

signals to the corresponding CS, SCLK, and DIN PCB

pads on the daughter board.

User-Supplied Power Supply

The daughter board is powered completely from the USB

port by default. Move the shunt of JU1 to the 2-3 position

to apply your own 4.75V to 5.25V power supply at the

VDD PCB pad.

MAX11166 Datasheet(PDF) 4 Page - Maxim Integrated Products

MAX11166 Datasheet(HTML) 4 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Datasheet Download

Link URL