LT1180A/LT1181A
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the operating temperature
range (0°C ≤ TA ≤ 70°C for commercial grade, and –40°C ≤ TA ≤ 85°C for industrial grade. (Note 2)
PARAMETER
CONDITIONS
0V ≤ V
MIN
TYP
MAX
UNITS
µA
ON/OFF Pin Current
Oscillator Frequency
Driver
≤ 5V
●
–15
80
ON/OFF
130
kHz
Output Voltage Swing
Load = 3k to GND
Input Low Level (V
Positive
Negative
5.0
7.5
–6.3
V
V
●
–5.0
0.8
Logic Input Voltage Level
= High)
●
●
1.4
1.4
V
V
OUT
Input High Level (V
= Low)
2.0
OUT
Logic Input Current
0.8V ≤ V ≤ 2.0V
●
5
20
µA
mA
µA
IN
Output Short-Circuit Current
Output Leakage Current
Date Rate (Note 7)
V
= 0V
±9
17
10
OUT
Shutdown V
= ±30V (Note 4)
●
100
OUT
R = 3k, C = 2500pF
120
250
kBaud
kBaud
L
L
R = 3k, C = 1000pF
L
L
Slew Rate
R = 3k, C = 2500pF
L
R = 3k, C = 51pF
15
7
30
V/µs
V/µs
L
L
4
L
Propagation Delay
Output Transition t High-to-Low (Note 5)
0.6
0.5
1.3
1.3
µs
µs
HL
Output Transition t Low-to-High
LH
Receiver
Input Voltage Thresholds
Input Low Threshold (V
Input High Threshold (V
= High)
= Low)
C Grade
C Grade
●
●
0.8
0.2
1.3
1.7
V
V
OUT
2.4
OUT
Input LowI,
Input HighI,
M Grade
M Grade
●
●
1.3
1.7
V
V
3.0
1.0
7
Hysteresis
●
0.1
3
0.4
5
V
kΩ
µA
Input Resistance
Output Leakage Current
Output Voltage
V = ±10V
IN
Shutdown (Note 4) 0 ≤ V
≤ V
●
1
10
0.4
OUT
CC
Output Low, I
Output High, I
= –1.6mA
= 160µA (V = 5V)
●
●
0.2
4.2
V
V
OUT
3.5
10
OUT
CC
Output Short-Circuit Current
Propagation Delay
Sinking Current, V
= V
–20
20
–10
mA
mA
OUT
CC
= 0V
Sourcing Current, V
OUT
Output Transition t High-to-Low (Note 6)
250
350
600
600
ns
ns
HL
Output Transition t Low-to-High
LH
Note 1: Absolute Maximum Ratings are those values beyond which the life
Note 5: For driver delay measurements, R = 3k and C = 51pF. Trigger
L
L
of the device may be impaired.
points are set between the driver’s input logic threshold and the output
transition to the zero crossing (t = 1.4V to 0V and t = 1.4V to 0V).
Note 2: Testing done at V = 5V and V
= 3V, unless otherwise
HL
LH
CC
ON/OFF
specified.
Note 6: For receiver delay measurements, C = 51pF. Trigger points are
L
set between the receiver’s input logic threshold and the output transition
Note 3: Supply current is measured as the average over several charge
pump cycles. C = C = C1 = C2 = 0.1µF. All outputs are open, with all
driver inputs tied high.
+
–
to standard TTL/CMOS logic threshold (t = 1.3V to 2.4V and t = 1.7V
HL
LH
to 0.8V).
Note 7: Data rate operation guaranteed by slew rate, short-circuit current
and propagation delay tests.
Note 4: Supply current measurements in SHUTDOWN are performed with
V
≤ 0.1V.
ON/OFF
11801afb
3
Linear Systems [ Linear Systems ]
