ADIS16204

Rev. 0 | Page 7 of 24

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

NC = NO CONNECT

SCLK

DOUT

DIN

CS

AUX DAC

NC

NC

RST

ADIS16204

TOP

VIEW

(Not to Scale)

1

X

Y

4

3

2

12

9

10

11

56

7

8

13

16

15

14

NOTES

1. PINS ARE NOT VISIBLE FROM THE TOP VIEW. THEY ARE

SHOWN FOR CONVENIENCE IN CREATING CAD LIBRARY

PARTS.

Figure 4. Pin Configuration

Table 4. Pin Function Descriptions

Pin No.

Mnemonic

Type1

Description

1

SCLK

I

SPI, Serial Clock.

2

DOUT

O

SPI, Data Out.

3

DIN

I

SPI, Data In.

4

CS

I

SPI, Chip Select, Active Low.

5, 6

DIO1, DIO2

I/O

Multifunction Digital Input/Output Pins.

7, 8, 10, 11

NC

–

No Connect.

9

RST

I

Reset, Active Low. This input resets the embedded microcontroller to a known state.

12

AUX DAC

O

Auxiliary DAC Analog Voltage Output.

13

VDD

S

+3.3 V Power Supply.

14

AUX ADC

I

Auxiliary ADC Analog Input Voltage.

15

VREF

O

Precision Reference Output.

16

COM

S

Common. Reference point for all circuitry.

RECOMMENDED PAD GEOMETRY

0.670

12×

1.127

16×

4.1865

8×

2.6955

8×

5.391

4×

8.373

2×

0.500

16×

9.2mm × 9.2mm STACKED LGA PACKAGE

Figure 5. Example of a Pad Layout