1

Block diagram and pin description

Figure 1. Block diagram

Figure 2. Pin connection (top view)

Table 1. Pin description

Pin n.

Pin name

Description

1

CS

Chip select. Active low. Conversion starts on a falling edge of CS

2

AVCC

Analog power supply. Used as reference voltage for inputs

3

AGND

Analog ground

4 - 11

IN0 – IN7

Single-ended analog inputs. Signals are referenced from 0 V to AVCC

12

DGND

Digital ground

13

DVCC

Digital power supply voltage

14

DIN

Digital data input. Used to address the control register

15

DOUT

Digital data output

16

SCLK

Clock input. Applied clock signal varies from 0.8 MHz to 3.2 MHz

ADC1283

Block diagram and pin description

DS13932 - Rev 1

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