LTC1690I Просмотр технического описания (PDF) - Linear Technology
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LTC1690I Datasheet PDF : 12 Pages
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LTC1690
ABSOLUTE MAXIMUM RATINGS (Note 1)
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
PACKAGE/ORDER INFORMATION
TOP VIEW
VCC 1
8A
R2
7B
D3
6Z
GND 4
5Y
MS8 PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 200°C/W
ORDER PART
NUMBER
LTC1690CMS8
MS8 PART MARKING
LTDA
Consult factory for Military Grade Parts
TOP VIEW
VCC 1
R2
8A
R
7B
D3
D
GND 4
6Z
5Y
S8 PACKAGE
N8 PACKAGE
8-LEAD PLASTIC SO 8-LEAD PLASTIC DIP
TJMAX = 125°C, θJA = 130°C/W (N)
TJMAX = 125°C, θJA = 135°C/W (S)
ORDER PART
NUMBER
LTC1690CN8
LTC1690IN8
LTC1690CS8
LTC1690IS8
S8 PART MARKING
1690
1690I
DC ELECTRICAL CHARACTERISTICS 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)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VOD1
Differential Driver Output Voltage (Unloaded)
VOD2
Differential Driver Output Voltage (with Load)
IO = 0
q
R = 50Ω; (RS422)
q2
R = 22Ω or 27Ω; (RS485), Figure 1 q 1.5
VCC
V
V
5
V
VOD3
∆VOD
VOC
∆|VOC|
Differential Driver Output Voltage (with Common Mode)
Change in Magnitude of Driver Differential Output
Voltage for Complementary Output States
Driver Common Mode Output Voltage
Change in Magnitude of Driver Common Mode
Output Voltage for Complementary Output States
VTST = –7V to 12V, Figure 2
R = 22Ω, 27Ω or 50Ω, Figure 1
VTST = –7V to 12V, Figure 2
R = 22Ω, 27Ω or 50Ω, Figure 1
R = 22Ω, 27Ω or 50Ω, Figure 1
1.5
q
q
q
5
V
0.2
V
3
V
0.2
V
VIH
Input High Voltage
VIL
Input Low Voltage
IIN1
Input Current
IIN2
Input Current (A, B)
VTH
Differential Input Threshold Voltage for Receiver
∆VTH Receiver Input Hysteresis
Driver Input (D)
Driver Input (D)
Driver Input (D)
VCC = 0V or 5.25V, VIN = 12V
VCC = 0V or 5.25V, VIN = –7V
–7V ≤ VCM ≤ 12V
VCM = 0V
q2
V
q
0.8
V
q
±2
µA
q
1
mA
q
– 0.8
mA
q – 0.20
– 0.01
V
± 30
mV
2
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