LTC2862A datasheet(3/22 Pages) AD

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LTC2862A

2862af

For more information www.linear.com/LTC2862A

elecTrical characTerisTics

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supplies

VCC

Primary Power Supply

5.5

ICCS

Supply Current in Shutdown Mode

(C-, I-Grade)

DE = 0V, RE = VCC

µA

Supply Current in Shutdown Mode

(H-, MP-Grade)

DE = 0V, RE = VCC

µA

ICCTR

Supply Current with Both Driver and

Receiver Enabled (LTC2862A-1)

No Load, DE = VCC, RE = 0V

1.1

1.6

ICCR

Supply Current with Receiver Enabled

(LTC2862A-1)

No Load, DE = RE = 0V

1.0

1.4

ICCTRS

Supply Current with Both Driver and

Receiver Enabled (LTC2862A-2)

No Load, DE = VCC, RE = 0V

3.5

ICCRS

Supply Current with Receiver Enabled

(LTC2862A-2)

No Load, DE = RE = 0V

1.3

1.8

Driver

|VOD|

Differential Driver Output Voltage

R = ∞ (Figure 1)

1.5

VCC

R = 27Ω (Figure 1)

1.5

R = 50Ω (Figure 1)

2.3

VCC

Δ|VOD|

Change in Magnitude of Driver Differential

Output Voltage

R = 27Ω or 50Ω (Figure 1)

0.2

VOC

Driver Common-Mode Output Voltage

R = 27Ω or 50Ω (Figure 1)

Δ|VOC|

Change in Magnitude of Driver

Common-Mode Output Voltage

R = 27Ω or 50Ω (Figure 1)

0.2

IOSD

Maximum Driver Short-Circuit Current

–60V ≤ (A or B) ≤ 60V (Figure 2)

±150

±250

Receiver

IIN

Receiver Input Current (A, B)

VCC = 0V or 3.3V, VIN = 12V (Figure 3)

143

µA

VCC = 0V or 3.3V, VIN = –7V (Figure 3)

–100

µA

RIN

Receiver Input Resistance

0 ≤ VCC ≤ 5.5V, VIN = –25V or 25V (Figure 3)

112

kΩ

VCM

Receiver Common Mode Input Voltage

(A + B)/2

–25

VTH+

Positive Differential Input Signal Threshold

Voltage (A – B)

–25V ≤ VCM ≤ 25V

125

200

VTH–

Negative Differential Input Signal Threshold

Voltage (A – B)

–25V ≤ VCM ≤ 25V

–200

–125

ΔVTH

Differential Input Signal Hysteresis

(VTH+ – VTH–)

VCM = 0V

250

VTFS

Differential Input Failsafe Threshold Voltage –25V ≤ VCM ≤ 25V

–200

–75

–10

ΔVTFS

Differential Input Failsafe Hysteresis

(VTFS – VTH–)

VCM = 0V

VOH

Receiver Output High Voltage

I(RO) = –3mA (Sourcing)

VCC –0.4V VCC –0.2V

VOL

Receiver Output Low Voltage

I(RO) = 3mA (Sinking)

0.2

0.4

IOZR

Receiver Three-State (High Impedance)

Output Current on RO

RE = High, VCC = 5V, RO = 0V or VCC

–32

µA

IOSR

Receiver Short-Circuit Current

RE = Low, RO = 0V or VCC

±20

CIN

Input Capacitance (A and B)

(Note 5)

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)

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