S3C821A View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

S3C821A

S3C8-SERIES MICROCONTROLLES

Samsung 

ELECTRICAL DATA

S3C821A/P821A

Table 17-6. A/D Converter Electrical Characteristics

(TA = – 40 °C to + 85 °C, VDD = 2.7 V to 5.5 V, VSS = 0 V)

Parameter

Symbol

Conditions

Resolution

Total accuracy

Conversion time (1)

Analog input voltage

Analog input impedance

Analog reference voltage

Analog ground

Analog input current

tCON

VIAN

RAN

AVREF

AVSS

IADIN

VDD = 5.12 V

AVREF = 5.12 V

AVSS = 0 V

8 bit conversion

34 x n/fxx (2), n=1,4,8,16

–

–

–

–

AVREF = VDD = 5V

Min

–

–

17

AVSS

2

2.5

VSS

–

Typ

Max

8

–

–

±2

–

170

–

1,000

–

–

–

AVREF

–

VDD

VSS + 0.3

10

NOTES:

1. "Conversion time" is the time required from the moment a conversion operation starts until it ends.

2. fxx is a selected system clock for peripheral hardware.

Unit

bit

LSB

µs

V

MΩ

V

V

µA

17-8

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