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LTC1690 Datasheet(Fiches technique) 2 Page - Linear Technology

Numéro de pièce LTC1690
Description  Differential Driver and Receiver Pair with Fail-Safe Receiver Output
Télécharger  12 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
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 2 page
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2
LTC1690
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOD1
Differential Driver Output Voltage (Unloaded)
IO = 0
q
VCC
V
VOD2
Differential Driver Output Voltage (with Load)
R = 50
Ω; (RS422)
q
2V
R = 22
Ω or 27Ω; (RS485), Figure 1
q
1.5
5
V
VOD3
Differential Driver Output Voltage (with Common Mode)
VTST = –7V to 12V, Figure 2
1.5
5
V
∆VOD
Change in Magnitude of Driver Differential Output
R = 22
Ω, 27Ω or 50Ω, Figure 1
q
0.2
V
Voltage for Complementary Output States
VTST = –7V to 12V, Figure 2
VOC
Driver Common Mode Output Voltage
R = 22
Ω, 27Ω or 50Ω, Figure 1
q
3V
∆|VOC|
Change in Magnitude of Driver Common Mode
R = 22
Ω, 27Ω or 50Ω, Figure 1
q
0.2
V
Output Voltage for Complementary Output States
VIH
Input High Voltage
Driver Input (D)
q
2V
VIL
Input Low Voltage
Driver Input (D)
q
0.8
V
IIN1
Input Current
Driver Input (D)
q
±2
µA
IIN2
Input Current (A, B)
VCC = 0V or 5.25V, VIN = 12V
q
1mA
VCC = 0V or 5.25V, VIN = –7V
q
–0.8
mA
VTH
Differential Input Threshold Voltage for Receiver
–7V
≤ VCM ≤ 12V
q
– 0.20
– 0.01
V
∆VTH
Receiver Input Hysteresis
VCM = 0V
±30
mV
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC) .............................................. 6.5V
Driver Input Voltage ..................... –0.3V to (VCC + 0.3V)
Driver Output Voltages ................................. –7V to 10V
Receiver Input Voltages .........................................
±14V
Receiver Output Voltage .............. –0.3V to (VCC + 0.3V)
Junction Temperature ........................................... 125
°C
Operating Temperature Range
LTC1690C ........................................ 0
°C ≤ TA ≤ 70°C
LTC1690I ..................................... – 40
°C ≤ TA ≤ 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
(Note 1)
ORDER PART
NUMBER
MS8 PART MARKING
ORDER PART
NUMBER
LTC1690CMS8
LTDA
S8 PART MARKING
1690
1690I
LTC1690CN8
LTC1690IN8
LTC1690CS8
LTC1690IS8
Consult factory for Military Grade Parts
1
2
3
4
8
7
6
5
TOP VIEW
VCC
R
D
GND
A
B
Z
Y
N8 PACKAGE
8-LEAD PLASTIC DIP
S8 PACKAGE
8-LEAD PLASTIC SO
D
R
TJMAX = 125°C, θJA = 130°C/W (N)
TJMAX = 125°C, θJA = 135°C/W (S)
1
2
3
4
8
7
6
5
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
VCC
R
D
GND
A
B
Z
Y
TJMAX = 125°C, θJA = 200°C/W
PACKAGE/ORDER INFORMATION
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V ±5% (Notes 2, 3)
DC ELECTRICAL CHARACTERISTICS




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