LTM2894

4

Rev A

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SWITCHING CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Low Speed USB

tLDR

Low Speed Data Rate

CL = 50pF to 450pF (Note 4)

1.5

Mbps

tLR

Rise Time

Figure 2, CL = 50pF to 600pF

l

75

300

ns

tLF

Fall Time

Figure 2, CL = 50pF to 600pF

l

75

300

ns

tLPRR,tLPFF

Propagation Delay

Figure 2, CL = 50pF to 600pF

l

200

300

ns

Differential Jitter

To Next Transition (Note 8)

±45

ns

Differential Jitter

To Paired Transitions (Note 8)

±15

ns

Full Speed USB

tFDR

Full Speed Data Rate

CL = 50pF (Note 4)

12

Mbps

tFR

Rise Time

Figure 3, CL = 50pF

l

4

20

ns

tFF

Fall Time

Figure 3, CL = 50pF

l

4

20

ns

tFPRR, tFPFF

Propagation Delay

Figure 3, CL = 50pF

l

60

80

115

ns

Differential Jitter

To Next Transition (Note 8)

2

ns

Differential Jitter

To Paired Transitions (Note 8)

1

ns

Suspend

Wake Up from Suspend Mode

Resume Signal

l

0.25

10

µs

ESD HBM (Note 8)

Isolation Barrier

GND to GND2

±20

kV

D1+, D1–, D2+, D2–

D1+/D1– to GND, VBUS, or VLO

D2+/D2– to GND2, VBUS2, or VLO2

±20

±20

kV

kV

ON or ON2

±4

kV

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VBUS = 5V, VBUS2 = 5V, GND = GND2 = 0V, ON = 3.3V, ON2 = 3.3V.