LTC2852CS datasheet(4/16 Pages) LINER

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LTC2850/LTC2851/LTC2852

285012fc

ELECTRICAL 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)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Driver

|VOD|

Differential Driver Output Voltage

R = ∞, VCC = 3V (Figure 1)

R = 27

Ω, VCC = 3V (Figure 1)

R = 50

Ω, VCC = 3.13V (Figure 1)

1.5

VCC

Δ|VOD|

Difference in Magnitude of Driver Differential

Output Voltage for Complementary Output

States

R = 27

Ω or 50Ω (Figure 1)

0.2

VOC

Driver Common Mode Output Voltage

R = 27

Ω or 50Ω (Figure 1)

Δ|VOC|

Difference in Magnitude of Driver Common

Mode Output Voltage for Complementary

Output States

R = 27

Ω or 50Ω (Figure 1)

0.2

IOZD

Driver Three-State (High Impedance) Output

Current on Y and Z

DE = 0V, (Y or Z) = –7V, 12V (LTC2852)

±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

RE = VCC or 0V, DE = TE = 0V,

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

(C, I-Grade)

125

RE = VCC or 0V, DE = TE = 0V,

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

(H-Grade)

125

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

RE = VCC, 0V ≤ RO ≤ VCC (LTC2850, LTC2852)

±1

μA

IOSR

Receiver Short-Circuit Current

0V ≤ RO ≤ VCC

±85

Logic

VIH

Logic Input High Voltage

VCC = 3.6V

VIL

Logic Input Low Voltage

VCC = 3V

0.8

IINL

Logic Input Current

±10

μA

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