ST6215C_09 datasheet(89/105 Pages) STMICROELECTRONICS

No. de pieza	ST6215C

Descripción Electrónicos	8-bit MCUs with A/D converter, two timers, oscillator safeguard & safe reset

PDF	105 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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89 / 105 page

ST6215C ST6225C

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11.11 8-BIT ADC CHARACTERISTICS

Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified.

Notes:

1. Unless otherwise specified, typical data are based on TA=25°C and VDD=5V.

2. The ADC refers to VDD and VSS.

3. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than 10k

Ω). Data

based on characterization results, not tested in production.

4. As a stabilization time for the AD converter is required, the first conversion after the enable can be wrong.

Figure 72. Typical Application with ADC

Note: ADC not present on some devices. See device summary on page 1.

Symbol

Parameter

Conditions

Min

Typ 1)

Max

Unit

fOSC

Clock frequency

1.2

fOSC

MHz

VAIN

Conversion range voltage 2)

VSS

VDD

RAIN

External input resistor

10 3)

tADC

Total convertion time

fOSC=8MHz

fOSC=4MHz

140

μs

tSTAB

Stabilization time 4)

tCPU

fOSC=8MHz

3.25

6.5

µs

ADI

Analog input current during conver-

sion

1.0

µA

ACIN

Analog input capacitance

AINx

ST62XX

VAIN

RAIN

10pF

ADC

10M

≈150Ω

ST6215C Datasheet(PDF) 89 Page - STMicroelectronics

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