LTC1324_15 datasheet(2/8 Pages) LINER

Part #	LTC1324

Description	Single Supply LocalTalk Transceiver

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC1324

2

1324fa

PACKAGE/ORDER INFORMATION

ABSOLUTE MAXIMUM RATINGS

Supply Voltage (VCC) ................................................. 7V

Input Voltage (Logic Inputs)......... – 0.3V to (VCC + 0.3V)

Input Voltage (Receiver Inputs).............................. ±1 5V

Driver Output Voltage (Forced) .............................. ±15V

Driver Short-Circuit Duration .......................... Indeﬁnite

Operating Temperature Range .................... 0°C to 70°C

Storage Temperature Range ..................– 65°C to 150°C

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

(Note 1)

1

2

3

4

5

6

7

8

TOP VIEW

N PACKAGE

16-LEAD PDIP

16

15

14

13

12

11

10

9

NC

SR

TXD

TXDEN

SHDN

RXEN

RXO

GND

VCC

TXDEN

RXEN

NC

TXD–

TXD+

RXD–

RXD+

DX

RX

SW PACKAGE

16-LEAD PLASTIC SO WIDE

TJMAX = 150°C, θJA = 110°C/ W (N)

TJMAX = 150°C, θJA = 150°C/W (SW)

ORDER PART

NUMBER

LTC1324CN

LTC1324CSW

Consult factory for Industrial and Military grade parts.

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supplies

ICC

Normal Operation Supply Current

Shutdown Supply Current

No Load, SHDN = 0V, TXDEN = 0V, RXEN = 0V

No Load, SHDN = VCC

l

1

2

10

mA

μA

Differential Driver

VOD

Differential Output Voltage

No Load

RL = 50Ω (Figure 1)

l

± 4.0

±2.0

V

ΔVOD

Change in Magnitude of Differential

Output Voltage

RL = 50Ω (Figure 1)

0.2

V

VOC

Differential Common Mode Output Voltage

RL = 50Ω (Figure 1)

3.0

V

ISS

Short-Circuit Current

0V ≤ VO ≤ 5V

l

35

120

250

mA

IOZ

Three-State Output Current

(TXDEN = VCC and TXDEN = GND) or

SHDN = VCC or Power Off, –10V ≤ VO ≤ 10V

l

±2

±200

μA

Logic Inputs

VIH

Input High Voltage

All Logic Input Pins

l

2.4

V

VIL

Input Low Voltage

All Logic Input Pins

l

0.8

V

IIN

Input Current

SHDN, TXDEN, RXDEN, V = 0V to VCC

l

±1

±20

μA

IDN

Pull-Down Current

RXDEN, TXDEN, SR, V = 0V to VCC

l

15

60

μA

Receiver

RIN

Input Resistance

–7V ≤ VIN ≤ 7V

12

kΩ

Receiver Threshold Voltage

–7V ≤ VCM ≤ 7V

l

–200

200

mV

Receiver Input Hysteresis

–7V ≤ VCM ≤ 7V

70

mV

VOH

Output High Voltage

IO = –4mA

l

3.5

V

VOL

Output Low Voltage

IO = 4mA

l

0.4

V

ISS

Output Short-Circuit Current

0V ≤ VO ≤ 5V

l

785

mA

IOZ

Output Three-State Current

0V ≤ VO ≤ 5V, RXEN = VCC, RXEN = GND

l

±2

±100

μA

VCC = 5V, TA = 0°C to 70°C (Notes 2, 3), unless otherwise noted.

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