LTC1344A 查看數據表（PDF） - Linear Technology
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LTC1344A Datasheet PDF : 12 Pages
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LTC1344A
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Positive Supply Voltage (VCC) ................................... 7V
Negative Supply Voltage (VEE) ........................... – 13.2V
Input Voltage
(Logic Inputs) .................... (VEE – 0.3V) to (VCC + 0.3V)
Input Voltage (Load Inputs) .................................. ±18V
Power Dissipation .............................................. 600mW
Operating Temperature Range
LTC1344AC ............................................ 0°C to 70°C
LTC1344AI ......................................... – 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
M0 1
VEE 2
R1C 3
R1B 4
R1A 5
R2A 6
R2B 7
R2C 8
R3A 9
R3B 10
R3C 11
GND 12
24 M1
23 M2
22 DCE/DTE
21 LATCH
20 R6B
19 R6A
18 R5A
17 R5B
16 R4A
15 R4B
14 VCC
13 GND
G PACKAGE
24-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 100°C/W
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1344ACG
LTC1344AIG
ELECTRICAL CHARACTERISTICS
VCC = 5V ±5%, VEE = – 5V ±5%, TA = TMIN to TMAX (Notes 2, 3) unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
Supplies
ICC
Supply Current
Terminator Pins
All Digital Pins = GND or VCC
q
0.4
1.0
mA
RV.35
Differential Mode Impedance
All Loads (Figure 1), – 2V ≤ VCM ≤ 2V (Commercial) q
90
104 110
Ω
Common Mode Impedance
All Loads (Figure 2), – 2V ≤ VCM ≤ 2V (Commercial) q
135 153 165
Ω
All Loads (Figure 1), – 2V ≤ VCM ≤ 2V (Industrial) q
90
104 115
Ω
All Loads (Figure 2), – 2V ≤ VCM ≤ 2V (Industrial) q
130 153 170
Ω
RV.11
Differential Mode Impedance
All Loads (Figure 1), VCM = 0V (Commercial)
q
100 104 110
Ω
All Loads (Figure 1), – 7V ≤ VCM ≤ 7V (Commercial)
100 104
Ω
All Loads (Figure 1), VCM = 0V (Industrial)
q
95
104 115
Ω
All Loads (Figure 1), – 7V ≤ VCM ≤ 7V (Industrial)
100 104
Ω
ILEAK
High Impedance Leakage Current All Loads, – 7V ≤ VCM ≤ 7V
q
±1
±50
µA
Logic Inputs
VIH
Input High Voltage
VIL
Input Low Voltage
IIN
Input Current
All Logic Input Pins
All Logic Input Pins
All Logic Input Pins
q
2
q
q
V
0.8
V
±10
µA
The q denotes specifications which apply over the full operating
temperature range.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are reference to ground unless otherwise
specified.
Note 3: All typicals are given at VCC = 5V, VEE = – 5V, TA = 25°C.
2
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