AD5933

Preliminary Technical Data

Rev. PrA | Page 6 of 20

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

TOP VIEW

(Not to Scale)

DVDD

AVDD2

MCLK

VOUT

VIN

AD593X

AVDD1

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

DGND

AGND2

AGND1

RFB_PIN

N/C

N/C

N/C

SCL

N/C

SDA

Table 3.

Mnemonic

Function

N/C

No Connect.

RFB_PIN

External Feedback Resistor. This is used to set the gain of the input signal of the VIN node.

VOUT

Output AC Excitation signal. Programmble Frequnency range 0-50KHz.

VIN

Input Signal to transimpedance amplifier. External Feedback resistor will control gain of transimpedance amplifier.

MCLK

Master Clock for the system. Used to provide output excitation signal and as sampling of ADC.

DVDD

Digital Supply Voltage

AVDD1

Analog Supply Voltage 1

AVDD2

Analog Supply Voltage 2

DGND

Digital Ground

AGND1

Analog Gnd 1

AGND2

Analog Gnd 2

SDA

I2C DATA INPUT

SCL

I2C CLOCK INPUT.