LTC1334 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1334 Datasheet PDF : 16 Pages
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LTC1334
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage (VCC) ............................................. 6.5V
Input Voltage
Drivers ................................... – 0.3V to (VCC + 0.3V)
Receivers ............................................. – 25V to 25V
ON/OFF, LB, SEL1, SEL2 ........ – 0.3V to (VCC + 0.3V)
Output Voltage
Drivers ................................................. – 18V to 18V
Receivers ............................... – 0.3V to (VCC + 0.3V)
Short-Circuit Duration
Output ........................................................ Indefinite
VDD, VEE, C1+, C1–, C2+, C2– .......................... 30 sec
Operating Temperature Range
Commercial ........................................... 0°C to 70°C
Industrial ............................................ – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................ 300°C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
C1+ 1
C1– 2
VDD 3
A1 4
B1 5
Y1 6
Z1 7
SEL1 8
SEL2 9
Z2 10
Y2 11
B2 12
A2 13
GND 14
28 C2+
27 C2–
26 VCC
25 RB1
24 RA1
23 DZ1/DE1
22 DY1
21 LB
20 ON/OFF
19 DY2
18 DZ2/DE2
17 RA2
16 RB2
15 VEE
G PACKAGE
NW PACKAGE
28-LEAD PLASTIC SSOP 28-LEAD PDIP WIDE
SW PACKAGE
28-LEAD PLASTIC SO WIDE
TJMAX = 125°C, θJA = 90°C/W (G)
TJMAX = 125°C, θJA = 56°C/W (NW)
TJMAX = 125°C, θJA = 85°C/W (SW)
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1334CG
LTC1334CNW
LTC1334CSW
LTC1334IG
LTC1334ISW
DC ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, C1 = C2 = C3 = C4 = 0.1µF (Notes 2, 3)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
RS485 Driver (SEL1 = SEL2 = High)
VOD1
Differential Driver Output Voltage (Unloaded)
IO = 0
VOD2
Differential Driver Output Voltage (With Load)
Figure 1, R = 50Ω (RS422)
Figure 1, R = 27Ω (RS485)
q
q 2.0
q 1.5
6
V
6
V
6
V
∆VOD
Change in Magnitude of Driver Differential
Figure 1, R = 27Ω or R = 50Ω
q
Output Voltage for Complementary Output States
0.2
V
VOC
Driver Common Mode Output Voltage
Figure 1, R = 27Ω or R = 50Ω
q
∆VOC Change in Magnitude of Driver Common Mode
Figure 1, R = 27Ω or R = 50Ω
q
Output Voltage for Complementary Output States
3
V
0.2
V
IOSD
Driver Short-Circuit Current
IOZD
Three-State Output Current (Y, Z)
RS232 Driver (SEL1 = SEL2 = Low)
– 7V ≤ VO ≤ 12V, VO = High
– 7V ≤ VO ≤ 12V, VO = Low (Note 4)
– 7V ≤ VO ≤ 12V
q 35
q 10
250
mA
250
mA
q
±5 ±500
µA
VO
Output Voltage Swing
IOSD
Output Short-Circuit Current
Driver Inputs and Control Inputs
Figure 4, RL = 3k, Positive
Figure 4, RL = 3k, Negative
VO = 0V
q5
6.5
V
q –5
– 6.5
V
q
± 60
mA
VIH
Input High Voltage
VIL
Input Low Voltage
IIN
Input Current
D, DE, ON/OFF, SEL1, SEL2, LB
D, DE, ON/OFF, SEL1, SEL2, LB
D, SEL1, SEL2
DE, ON/OFF, LB
q2
V
q
0.8
V
q
± 10
µA
q
–4
– 15
µA
2
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