LTC2854 datasheet(4/22 Pages) LINER

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LTC2862A

2862af

For more information www.linear.com/LTC2862A

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Logic

VTH

Input Threshold Voltage (DE, DI, RE)

3.0 ≤ VCC ≤ 5.5V

0.33 • VCC

0.67 • VCC

IINL

Logic Input Current (DE, DI, RE)

0 ≤ VIN ≤ VCC

±5

µA

ESD (Note 5)

ESD Protection Level of Interface Pins

(A,B), Powered or Unpowered

Human Body Model, A or B to GND,

VCC, B or A, 1μF Between VCC and GND

±40kV

IEC 61000-4-2 ESD Level 4, Contact, 1μF

Between VCC and GND

±8kV

ESD Protection Level of All Other Pins

(RO, RE, DE, DI, VCC, GND)

Human Body Model

±15kV

elecTrical characTerisTics The

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)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Driver – High Speed (LTC2862A-1)

fMAX

Maximum Data Rate

(Note 3)

Mbps

tPLHD, tPHLD

Driver Input to Output

RDIFF = 54Ω, CL = 100pF (Figure 4)

ΔtPD

Driver Input to Output Difference

|tPLHD – tPHLD|

RDIFF = 54Ω, CL = 100pF (Figure 4)

tSKEWD

Driver Output A to Output B

RDIFF = 54Ω, CL = 100pF (Figure 4)

±10

tRD, tFD

Driver Rise or Fall Time

RDIFF = 54Ω, CL = 100pF (Figure 4)

tZLD, tZHD

Driver Enable Time

RL = 27Ω, CL = 100pF,

RE = 0V (Figure 5)

tLZD, tHZD

Driver Disable Time

RL = 27Ω, CL = 100pF,

RE = 0V (Figure 5)

tZHSD, tZLSD

Driver Enable from Shutdown

RL = 27Ω, CL = 100pF,

RE = High (Figure 5)

µs

tSHDND

Time to Shutdown

RL = 27Ω, CL = 100pF,

RE = High (Figure 5)

Driver – Slew Rate Limited (LTC2862A-2)

fMAXS

Maximum Data Rate

(Note 3)

250

kbps

tPLHDS, tPHLDS Driver Input to Output

RDIFF = 54Ω, CL = 100pF (Figure 4)

850

1500

ΔtPDS

Driver Input to Output Difference

|tPLHDS – tPHLDS|

RDIFF = 54Ω, CL = 100pF (Figure 4)

150

tSKEWDS

Driver Output A to Output B

RDIFF = 54Ω, CL = 100pF (Figure 4)

±500

tRDS, tFDS

Driver Rise or Fall Time

RDIFF = 54Ω, CL =100pF (Figure 4)

500

800

1200

tZLDS, tZHDS

Driver Enable Time

RL = 27Ω, CL = 100pF,

RE = 0V (Figure 5)

400

800

tLZDS, tHZDS

Driver Disable Time

RL = 27Ω, CL = 100pF,

RE = 0V (Figure 5)

tZHSDS, tZLSDS Driver Enable from Shutdown

RL = 27Ω, CL = 100pF,

RE = High (Figure 5)

µs

swiTchinG characTerisTics The

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)

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