GP2021 datasheet(42/62 Pages) MITEL

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GP2021

ELECTRICAL CHARACTERISTICS

T amb = –40

°C to 85 °C, V DD = 5V 10%. The input thresholds and output voltage limits for the logic signal pins are

tested and guaranteed by production test. All other parameters are guaranteed by characterisation and design. They apply within

the specified ambient temperature and supply voltage ranges unless otherwise stated.

Value

Characteristics

Symbol

Min

Typ

Max

Units

Conditions

Supply Current

I DD

0 Channels enabled.

4 Channels enabled.

8 Channels enabled.

12 Channels enabled.

150

µA

Power Down Mode

2.2V – 3.3V (Note 3)

500

µA

Power Down Mode 5.0V

(Note 3)

Battery backup Voltage

V BATT

2.2

Power Down Mode

All TTL Inputs, with and without

Pull–up or Pull–down Resistors:

type TTL

High level Input Voltage

2.0

Low level Input Voltage

0.8

Schmitt Trigger inputs Type ST1

Positive–going Threshold

VI +

1.9

2.3

V DD = 3V

Negative–going Threshold

VI –

0.8

1.2

V DD = 3V

Hysteresis

0.35

0.7

V DD = 3V

Schmitt Trigger inputs Type ST2

Positive–going Threshold

VI +

1.72

2.32

Negative–going Threshold

VI –

0.72

1.10

Hysteresis

0.3

0.62

Master clocks : type Diff

Note 2

Input Voltage High

0.8V DD

D.C. coupled

Input Voltage Low

0.2V DD

D.C. coupled

D.C. coupled differential sinewave

(pk–pk)

130

Mid point at nominal 4.3V

Peak to Peak single sinewave

600

AC coupled

Crystal Oscillator Type

XTLI, XTLO

Frequency Range

f osc

1000

kHz

Amplifier Transconductance

220

550

2500

µA/V

Output Impedance

100

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