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AS1923

Datasheet - Electrical Character i s t ics

6 Electrical Characteristics

VIN2 = +1V to +5.5V, Typ values @ VIN2 = +3.0V to +3.3V, TAMB = +25ºC (unless otherwise specified).

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Tamb

Operating Temperature Range

-40

°C

VIN2

Supply Voltage Range

2, 3

1.0

5.5

IINx

Input Current

VINx = Input Threshold Voltage (Input Threshold

Voltage of 1.8, 2.5, or 5V)

µA

VIN2 = Input Threshold Voltage (Input Threshold

Voltage of 3.0 or 3.3V)

115

VINx = 0 to VIN2

(Input Threshold Voltage = +1.23V)

-0.1

0.1

VIN1 = 1.5V (AS1923 K/L only)

0.4

1.5

VINx = -5V (Input Threshold Voltage = -5V)

-15

-20

VTH

Reset Threshold Voltage

VINx Decreasing, +5V (-5%) Threshold

4.50

4.63

4.75

VINx Decreasing, +5V (-10%) Threshold

4.25

4.38

4.50

VINx Decreasing, +3.3V (-5%) Threshold

3.00

3.08

3.15

VINx Decreasing, +3.3V (-10%) Threshold

2.85

2.93

3.00

VINx Decreasing, +3.0V (-5%) Threshold

2.70

2.78

2.85

VINx Decreasing, +3.0V (-10%) Threshold

2.55

2.63

2.70

VINx Decreasing, +2.5V (-10%) Threshold

2.13

2.19

2.25

VINx Decreasing, +1.8V (-10%) Threshold

1.53

1.58

1.62

VINx Increasing, -5V (+5%) Threshold

-4.75

-4.63

-4.50

VINx Increasing, -5V (+10%) Threshold

-4.50

-4.38

-4.25

VTH

Adjustable Threshold

VINx Decreasing

1.20

1.23

1.26

Threshold Voltage

Temperature Coefficient

ppm/ºC

VHYS

Threshold Hysteresis

0.5

tRD

Reset Delay

VINx = VTH to (VTH - 50mV),

All Inputs Except -5V, or

VINx = VTH to (VTH + 50mV), -5V Input Only

µs

tRP

Reset Active Timeout Period

120

200

280

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