LTC4317

3

4317fa

For more information www.linear.com/LTC4317

elecTrical characTerisTics

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply

Input Supply Range

l

2.25

5.5

V

Input Supply Current

ENABLE = 3.3V, SCLIN = SDAIN = 0V

l

0.8

2

mA

ENABLE = 0V, SCLIN = SDAIN = 0V

l

350

800

µA

l

1.9

2.1

2.2

V

100

mV

ENABLE and READY

ENABLE Threshold Voltage

Enable Rising

l

1

1.4

1.8

V

ENABLE Hysteresis

50

mV

ENABLE Input Current

l

±1

µA

READY Output Low Voltage

I = 3mA

l

0.4

V

READY Off Leakage Current

l

±5

µA

SCLIN, SDAIN, SCLOUT, SDAOUT

Threshold Voltage

SDA, SCL Pins Rising

l

1.5

1.8

2.0

V

Hysteresis

50

mV

Leakage Current

±10

µA

SDAOUT, SCLOUT Pins = 4.5V

l

±10

µA

Pin Capacitance

Note 3

l

10

pF

Precharge Voltage

l

0.8

1

1.2

V

SDAOUT Output Low Voltage

I = 4mA

l

0.4

V

Pass Switch On Resistance

l

l

l

3

2.2

1.8

12

8

6

Ω

Ω

Ω

XORH, XORL

XORH and XORL Input Current

l

±100

nA

Maximum SCLIN Clock Frequency

Note 3

l

400

kHz

SDAOUT Fall Delay

l

170

300

ns

SDAOUT Fall Time

l

20

60

300

ns

Stuck Bus Timeout

SCLIN Held Low or High

l

25

30

35

ms

Bus Idle Time

l

80

120

160

µs

SCLIN and SDAIN Glitch Filter

l

50

100

ns

Note 2: All currents into pins are positive and all voltages are referenced to

GND unless otherwise indicated.

Note 3: Guaranteed by design and not tested.