LTC2854CDDPBF datasheet(3/16 Pages) LINER

3 / 16 page

LTC2854/LTC2855

285455fa

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

|VOD|

Differential Driver Output Voltage

R = ∞, VCC = 3V (Figure 1)

R = 27Ω, VCC = 3V (Figure 1)

R = 50Ω, VCC = 3.13V (Figure 1)

●

1.5

VCC

Δ|VOD|

Change in Magnitude of Driver

Differential Output Voltage for

Complementary Output States

R = 27Ω or R = 50Ω (Figure 1)

●

0.2

VOC

Driver Common Mode Output Voltage

R = 27Ω or R = 50Ω (Figure 1)

●

Δ|VOC|

Change in Magnitude of Driver

Common Mode Output Voltage for

Complementary Output States

R = 27Ω or R = 50Ω (Figure 1)

●

0.2

IOZD

Driver Three-State (High Impedance)

Output Current on Y and Z

DE = OV, (Y or Z) = –7V, 12V (LTC2855)

●

±10

μA

IOSD

Maximum Driver Short-Circuit Current

–7V ≤ (Y or Z) ≤ 12V (Figure 2)

●

–250

180

±250

300

Receiver

IIN

Receiver Input Current (A, B)

DE = TE = 0V, VCC = 0V or 3.3V, VIN = 12V

(Figure 3) (C, I-Grade)

DE = TE = 0V, VCC = 0V or 3.3V, VIN = –7V,

(Figure 3) (C, I-Grade)

●

–100

125

μA

DE = TE = 0V, VCC = 0V or 3.3V, VIN = 12V

(Figure 3) (H-Grade)

DE = TE = 0V, VCC = 0V or 3.3V, VIN = –7V,

(Figure 3) (H-Grade)

●

–145

250

μA

RIN

Receiver Input Resistance

⎯R⎯E = VCC or 0V, DE = TE = 0V,

VIN = –7V, –3V, 3V, 7V, 12V (Figure 3)

(C, I-Grade)

●

125

kΩ

⎯R⎯E = VCC or 0V, DE = TE = 0V,

VIN = –7V, –3V, 3V, 7V, 12V (Figure 3)

(H-Grade)

●

125

kΩ

VTH

Receiver Differential Input Threshold

Voltage

–7V ≤ B ≤ 12V

●

±0.2

ΔVTH

Receiver Input Hysteresis

B = 0V

VOH

Receiver Output HIGH Voltage

I(RO) = –4mA, A-B = 200mV, VCC = 3V

●

2.4

VOL

Receiver Output LOW Voltage

I(RO) = 4mA, A-B = –200mV, VCC = 3V

●

0.4

IOZR

Receiver Three-State (High Impedance)

Output Current on RO

⎯R⎯E = VCC, 0V ≤ RO ≤ VCC

●

±1

μA

IOSR

Receiver Short-Circuit Current

0V ≤ RO ≤ VCC

●

±85

RTERM

Receiver Input Terminating Resistor

TE = VCC, VAB = 2V, VB = –7V, 0V, 10V

(Figure 8)

●

108

120

156

Logic

VIH

Logic Input High Voltage

VCC = 3.6V

●

VIL

Logic Input Low Voltage

VCC = 3V

●

0.8

IINL

Logic Input Current

●

±10

μA

Supplies

ICCS

Supply Current in Shutdown Mode

DE = 0V, ⎯R⎯E = VCC, TE = 0V

(LTC2854C/LTC2854I, LTC2855C/LTC2855I)

(LTC2854H, LTC2855H)

●

μA

ICCR

Supply Current in Receive Mode

DE = 0V, ⎯R⎯E = 0V, TE = 0V

●

370

900

μA

ELECTRICAL CHARACTERISTICS

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