LTC2862A

5

Rev. A

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SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Driver – High Speed (LTC2862A-1)

fMAX

Maximum Data Rate

(Note 3)

l

20

Mbps

tPLHD, tPHLD

Driver Input to Output

RDIFF = 54Ω, CL = 100pF (Figure 4)

l

25

50

ns

ΔtPD

Driver Input to Output Difference

|tPLHD – tPHLD|

RDIFF = 54Ω, CL = 100pF (Figure 4)

l

2

5

ns

tSKEWD

Driver Output A to Output B

RDIFF = 54Ω, CL = 100pF (Figure 4)

l

±10

ns

tRD, tFD

Driver Rise or Fall Time

RDIFF = 54Ω, CL = 100pF (Figure 4)

l

4

15

ns

tZLD, tZHD

Driver Enable Time

RL = 27Ω, CL = 100pF,

RE = 0V (Figure 5)

l

25

50

ns

tLZD, tHZD

Driver Disable Time

RL = 27Ω, CL = 100pF,

RE = 0V (Figure 5)

l

45

75

ns

tZHSD, tZLSD

Driver Enable from Shutdown

RL = 27Ω, CL = 100pF,

RE = High (Figure 5)

l

5

10

µs

tSHDND

Time to Shutdown

RL = 27Ω, CL = 100pF,

RE = High (Figure 5)

l

50

90

ns

Driver – Slew Rate Limited (LTC2862A-2)

fMAXS

Maximum Data Rate

(Note 3)

l

250

kbps

tPLHDS, tPHLDS Driver Input to Output

RDIFF = 54Ω, CL = 100pF (Figure 4)

l

850

1500

ns

ΔtPDS

Driver Input to Output Difference

|tPLHDS – tPHLDS|

RDIFF = 54Ω, CL = 100pF (Figure 4)

l

10

150

ns

tSKEWDS

Driver Output A to Output B

RDIFF = 54Ω, CL = 100pF (Figure 4)

l

±500

ns

tRDS, tFDS

Driver Rise or Fall Time

RDIFF = 54Ω, CL =100pF (Figure 4)

l

500

800

1200

ns

tZLDS, tZHDS

Driver Enable Time

RL = 27Ω, CL = 100pF,

RE = 0V (Figure 5)

l

400

800

ns

tLZDS, tHZDS

Driver Disable Time

RL = 27Ω, CL = 100pF,

RE = 0V (Figure 5)

l

45

75

ns

tZHSDS, tZLSDS Driver Enable from Shutdown

RL = 27Ω, CL = 100pF,

RE = High (Figure 5)

l

6

11

µs

tSHDNDS

Time to Shutdown

RL = 27Ω, CL = 100pF,

RE = High (Figure 5)

l

50

90

ns

Receiver

tPLHR, tPHLR

Receiver Input to Output (LTC2862A-1)

CL = 15pF, VCM = 0V, |VAB| = 1.5V,

tR and tF < 4ns (Figure 6)

l

50

65

ns

tPLHRS, tPHLRS Receiver Input to Output (LTC2862A-2)

CL = 15pF, VCM = 0V, |VAB| = 1.5V,

tR and tF < 4ns (Figure 6)

l

400

700

ns

tSKEWR

Differential Receiver Skew

|tPLHR – tPHLR| (LTC2862A-1)

CL = 15pF (Figure 6)

l

1

5

ns

tSKEWRS

Differential Receiver Skew

|tPLHRS – tPHLRS| (LTC2862A-2)

CL = 15pF (Figure 6)

l

5

30

ns

tPFSN

Failsafe Enter Delay (LTC2862A-1)

CL = 15pF, VCM = 0V, |VAB| = 1.5V,

tR and tF < 4ns (Figure 8)

l

80

110

ns

tPFSNS

Failsafe Enter Delay (LTC2862A-2)

CL = 15pF, VCM = 0V, |VAB| = 1.5V,

tR and tF < 4ns (Figure 8)

l

1.5

2.3

µs

SWITCHING CHARACTERISTICS The

l

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = 3.3V unless otherwise noted. (Note 2)