LTC1535_1 datasheet(2/16 Pages) LINER

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LTC1535

1535fa

ORDER PART

NUMBER

LTC1535CSW

LTC1535ISW

TJMAX = 125°C, θJA = 125°C/W

The q denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, VCC2 = 5V unless otherwise noted.

(Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

VCC Supply Range

4.5

5.5

VCC2

VCC2 Supply Range

4.5

7.5

ICC

VCC Supply Current

Transformer Not Driven (Note 10)

ICC2

VCC2 Supply Current

R = 27

Ω, Figure 2

No Load

712

VOD1

Differential Driver Output

No Load

VOD2

Differential Driver Output

R = 50

Ω (RS422) (Note 2), VCC2 = 4.5V

R = 27

Ω(RS485), Figure 2, VCC2 = 4.5V

1.5

VOC

Driver Output Common Mode Voltage

DC Level, R = 50

Ω, Figure 2

2.0

2.5

3.0

IOSD1

Driver Short-Circuit Current

Driver Enabled (DE = 1)

VOUT = HIGH

–7V

≤ VCM ≤ 10V

100

150

VOUT = LOW

–7V

≤ VCM ≤ 10V

100

150

VIH

Logic Input High Voltage

DE, DI, RE

1.7

SLO

2.2

VIL

Logic Input Low Voltage

DE, DI, RE

1.7

0.8

SLO

1.8

IIN

Input Current (A, B)

(Note 3)

VIN = 12V

0.25

VIN = – 7V q

–0.20

VTH

Receiver Input Threshold

–7V

≤ VCM ≤ 12V, (Note 4)

–200

–90

–10

∆VTH

Receiver Input Hysteresis

–7V

≤ VCM ≤ 12V

°C ≤ TA ≤ 0°C

–40

°C ≤ TA ≤ 85°C q

530

RIN

Receiver Input Impedance

100

Ω

VCC

ST1

ST2

GND

GND2

VCC2

SLO

RO2

SW PACKAGE

28-LEAD PLASTIC SO

TOP VIEW

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

ELECTRICAL CHARACTERISTICS

VCC to GND ................................................................ 6V

VCC2 to GND2 ............................................................ 8V

Control Input Voltage to GND ...... – 0.3V to (VCC + 0.3V)

Driver Input Voltage to GND ........ – 0.3V to (VCC + 0.3V)

Driver Output Voltage

(Driver Disabled) to GND2 .............. (VCC2 – 13V) to 13V

Driver Output Voltage

(Driver Enabled) to GND2 ............... (VCC2 – 13V) to 10V

Receiver Input Voltage to GND2 ............................

±14V

Receiver Output Voltage .............. – 0.3V to (VCC + 0.3V)

Operating Temperature Range

LTC1535C ........................................ 0

°C ≤ TA ≤ 70°C

LTC1535I ..................................... – 40

°C ≤ TA ≤ 85°C

Storage Temperature Range ................. – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

Consult LTC Marketing for parts specified with wider operating temperature ranges.

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