LTC1326CS8 datasheet(4/16 Pages) LINER

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LTC1326/LTC1326-2.5

ELECTRICAL CHARACTERISTICS

LTC1326 Only VCC3 = 3.3V, VCC5 = 5V, VCCA = VCC3, TA = 25°C unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VOVR

VCC5 Reset Override Voltage

Override VCC5 Ability to Assert RST (Note 4)

VCC3 ±0.025

Note 3: The output pins SRST and RST have weak internal pull-ups to

VCC3 of 6µA typ. However, external pull-up resistors may be used when

faster rise times are required.

Note 4: The VCC5 reset override voltage is valid for an operating range less

than approximately 4.15V. Above this point the override is turned off and

the VCC5 pin functions normally.

The q denotes specifications which apply over the full operating

temperature range.

Note 1: Absolute Maximum Ratings are those values beyond which the life

of the device may be impaired.

Note 2: All voltage values are with respect to GND.

TYPICAL PERFOR A CE CHARACTERISTICS

TEMPERATURE (

°C)

1326/2.5 G01

–60

–20

–40

100

IVCC3 vs Temperature

TEMPERATURE (

°C)

2.50

2.55

2.65

2.70

2.75

3.00

2.85

1326/2.5 G03

2.60

2.90

2.95

2.80

–60

–20

–40

100

IVCC25 vs Temperature

(LTC1326-2.5)

TEMPERATURE (

°C)

5.0

4.8

4.6

4.4

4.2

4.0

3.8

3.6

3.4

3.2

3.0

1326/2.5 G02

–60

–20

–40

100

IVCC5 vs Temperature

(LTC1326)

VCC5 Transient Immunity

(LTC1326)

VCC5 RESET COMPARATOR OVERDRIVE (V)

0.001

0.01

0.1

1326/2.5 G05

RESET OCCURS

ABOVE CURVE

TA = 25°C

VCCA Input Current vs Input Voltage

INPUT VOLTAGE (V)

0.8

–3

–2

–1

0.9

1.0

1.1

1.2

1326/2.5 G04

0.85

0.95

1.05

1.15

TA = 25°C

VCC25 Transient Immunity

(LTC1326-2.5)

VCC25 RESET COMPARATOR OVERDRIVE (V)

0.001

0.01

0.1

1326/2.5 G06

RESET OCCURS

ABOVE CURVE

TA = 25°C

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