ST62T08C datasheet(49/70 Pages) STMICROELECTRONICS

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ST62T08C/T09C ST62T10C/T20C/E20C

6.2 RECOMMENDED OPERATING CONDITIONS

Notes:

1. Care must be taken in case of negative current injection, where adapted impedance must be respected on analog sources to not affect the

A/D conversion. For a -1mA injection, a maximum 10 K

Ω is recommended.

2.An oscillator frequency above 1MHz is recommended for reliable A/D results

Figure 27. Maximum Operating FREQUENCY (Fmax) Versus SUPPLY VOLTAGE (V

DD)

The shaded area is outside the recommended operating range; device functionality is not guaranteed under these conditions.

Symbol

Parameter

Test Conditions

Value

Unit

Min.

Typ.

Max.

Operating Temperature

6 Suffix Version

1 Suffix Version

3 Suffix Version

-40

125

°C

VDD

Operating Supply Voltage

fOSC = 4MHz, 1 & 6 Suffix

fOSC = 4MHz, 3 Suffix

fosc= 8MHz , 1 & 6 Suffix

fosc= 8MHz , 3 Suffix

3.0

3.6

4.5

6.0

fOSC

Oscillator Frequency2)

VDD = 3.0V, 1 & 6 Suffix

VDD = 3.0V , 3 Suffix

VDD = 3.6V , 1 & 6 Suffix

VDD = 3.6V , 3 Suffix

4.0

8.0

4.0

MHz

IINJ+

Pin Injection Current (positive)

VDD = 4.5 to 5.5V

IINJ-

Pin Injection Current (negative) VDD = 4.5 to 5.5V

-5

2.5

4.5

5.5

SUPPLY VOLTAGE (V

DD)

Maximum FREQUENCY (MHz)

FUNCTIONALITY IS NOT

GUARANTEED IN

THIS AREA

3 Suffix version

1 & 6 Suffix version

3.6

137

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