LTC1840

3

1840f

Note 1: Absolute Maximum Ratings are those values beyond

which the life of a device may be impaired.

Note 2: Guaranteed by design not subject to test.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Digital Inputs SCL, SDA

Digital Input High Voltage

q

1.4

V

Digital Input Low Voltage

q

0.6

V

Logic Threshold Voltage

(Note 2)

1

V

Digital Input Leakage

±1

µA

Digital Input Capacitance

(Note 2)

10

pF

Digital Output SDA

Digital Output Low Voltage

q

0.4

V

Digital Output FAULT

Digital Output Low Voltage

q

0.4

V

Digital Inputs TACHA, TACHB

Digital Input High Voltage

q

V

Digital Input Low Voltage

q

V

Digital Input Leakage

±1

µA

Digital Input BLAST

Logic Threshold Voltage

Measured on BLAST Falling Edge

0.95

1.0

1.05

V

Input Hysteresis

(Note 2), Measured on Rising Edge

20

mV

Digital Input Leakage

±1

µA

Address Inputs A0, A1

Input High Voltage

q

V

Input Low Voltage

q

V

Input Current

±100

µA

Timing Characteristics

(Note 2)

0

100

kHz

Bus Free Time Between

(Note 2)

4.7

µs

Stop and Start Condition

Hold Time after (Repeated)

(Note 2)

4

µs

Start Condition

Repeated Start Condition

(Note 2)

4.7

µs

Setup Time

Stop Condition Setup Time

(Note 2)

4

µs

Data Hold Time

300

ns

Data Setup Time

(Note 2)

250

ns

Clock Low Period

(Note 2)

4.7

µs

Clock High Period

(Note 2)

4.0

µs

Clock, Data Fall Time

(Note 2)

300

ns

Clock, Data Rise Time

(Note 2)

1000

ns