LTC2876 datasheet(5/32 Pages) LINER

5 / 32 page

LTC2876/LTC2877

28767fa

For more information www.linear.com/LTC2876

elecTrical characTerisTics The

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = VL = 5V unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Receiver Short-Circuit Current

RE = Low, RO = 0V or VCC (LTC2876) or VL

(LTC2877)

±12

±20

Logic

Low Level Input Voltage (DE, DI, RE)

LTC2876, 3.0 ≤ VCC ≤ 5.5V

0.25 • VCC

LTC2877, 1.65 ≤ VL ≤ 5.5V

0.25 • VL

High Level Input Voltage (DE, DI, RE)

LTC2876, 3.0 ≤ VCC ≤ 5.5V

0.75 • VCC

LTC2877, 1.65 ≤ VL ≤ 5.5V

0.75 • VL

Logic Input Current Low (DE)

DE = 0V

–5

µA

Logic Input Current Low (DI, RE)

DI or RE = 0V

–3

–10

–20

µA

Logic Input Current High (DE)

DE = VCC (LTC2876) or VL (LTC2877)

µA

Logic Input Current High (DI, RE)

(DI, RE) = VCC (LTC2876) or VL (LTC2877)

µA

ESD (Note 4)

ESD Protection Level of Interface Pins

(PA, PB)

Human Body Model to GND or VCC, or VL,

Powered or Unpowered

±26

Human Body Model to GND, Unpowered

±52

ESD Protection Level of All Other Pins

(DE, DI, RE, VCC, VL)

Human Body Model

±15

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

fMAX

Maximum Data Rate

(Note 4)

Mbps

Driver

tPLHD, tPHLD

Driver Input to Output

VCC = 3.3V or 5V (Figure 5)

ΔtPD

Driver Input to Output Difference

|tPLHD – tPHLD|

(Figure 5)

tSKEWD

Driver Output PB to Output PA

(Figure 5)

±9

tRD, tFD

Driver Rise or Fall Time

VCC = 3.3V or 5V (Figure 5)

tZLD, tZHD,

tLZD, tHZD

Driver Enable or Disable Time

RE = 0V (Figure 6)

180

tZHSD, tZLSD

Driver Enable from Shutdown

RE = High (Figure 6)

µs

tSHDND

Time to Shutdown with DE

RE = High (Figure 6)

180

Receiver

tPLHR, tPHLR

Receiver Input to Output

VCM = 2.25V, (PB–PA) = ±1.5V,

tR and tF < 4ns, VCC = 3.3V or 5V (Figure 7)

ΔtPR

Receiver Input to Output Difference

|tPLHR – tPHLR|

(Figure 7)

tRR, tFR

Receiver Output Rise or Fall Time

(Figure 7)

tZLR, tZHR,

tLZR, tHZR

Receiver Enable/Disable Time

DE = High (Figure 8)

tZHSR, tZLSR

Receiver Enable from Shutdown

DE = 0V, (Figure 9)

µs

tSHDNR

Time to Shutdown with RE

DE = 0V, (Figure 9)

swiTching characTerisTics The

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = VL = 5V unless otherwise noted.

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