Datasheet

3
LTC1391
sn1391 1391fas
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
+
= 5V, V
–
= –5V, GND = 0V, unless otherwise specified.
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
V
+
= 2.7V, V
–
= GND = 0V, unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Dynamic
f
CLK
Clock Frequency (Note 2) 5 MHz
t
ON
Enable Turn-On Time V
S
= 2.5V, R
L
= 1k, C
L
= 35pF 260 400 ns
t
OFF
Enable Turn-Off Time V
S
= 2.5V, R
L
= 1k, C
L
= 35pF 100 200 ns
t
OPEN
Break-Before-Make Interval 35 155 ns
OIRR Off Isolation V
S
= 2V
P–P
, R
L
= 1k, f = 100kHz 70 dB
Q
INJ
Charge Injection R
S
= 0, C
L
= 1000pF, V
S
= 1V (Note 2) ±2 ±10 pC
C
S(OFF)
Input Off Capacitance 5pF
C
D(0FF)
Output Off Capacitance 10 pF
Supply
I
+
Positive Supply Current All Logic Inputs Tied Together, V
IN
= 0V or 5V ● 15 40 µA
I
–
Negative Supply Current All Logic Inputs Tied Together, V
IN
= 0V or 5V ● –15 –40 µA
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Switch
V
ANALOG
Analog Signal Range (Note 2) ● 0 2.7 V
R
ON
On-Resistance V
S
= 1.2V, I
O
= 1mA T
MIN
= 0°C (LTC1391C) 300 Ω
T
MIN
= –40°C (LTC1391I)
25°C 250 300 Ω
T
MAX
= 70°C (LTC1391C) 350 Ω
T
MAX
= 85°C (LTC1391I)
∆R
ON
vs V
S
20 %
∆R
ON
vs Temperature 0.5 %/°C
I
S(OFF)
Off Input Leakage V
S
= 2.5V, V
D
= 0.5V; V
S
= 0.5V, V
D
= 2.5V (Note 3) ±0.05 ±5nA
Channel Off
● ±20 nA
I
D(OFF)
Off Output Leakage V
S
= 2.5V, V
D
= 0.5V; V
S
= 0.5V, V
D
= 2.5V (Note 3) ±0.05 ±5nA
Channel Off
● ±20 nA
I
D(ON)
On Channel Leakage V
S
= V
D
= 0.5V, 2.5V (Note 3) ±0.05 ±5nA
Channel On
● ±20 nA
Digital
V
INH
High Level Input Voltage V
+
= 3.0V ● 2.0 V
V
INL
Low Level Input Voltage V
+
= 2.4V ● 0.8 V
I
INL
, I
INH
Input Current V
IN
= 2.7V, 0V ● ±5 µA
V
OH
High Level Output Voltage V
+
= 2.7V, I
O
= –20µA 2.68 V
V
+
= 2.7V, I
O
= –400µA ● 2.0 2.30 V
V
OL
Low Level Output Voltage V
+
= 2.7V, I
O
= 20µA 0.01 V
V
+
= 2.7V, I
O
= 400µA ● 0.20 0.8 V