Datasheet

LTC6409
3
6409fa
elecTrical characTerisTics
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
e
nVOCM
Common Mode Noise Voltage Density f = 10MHz 12 nV/√Hz
V
ICMR
(Note 7)
Input Signal Common Mode Range V
S
= 3V
V
S
= 5V
l
l
0
0
1.5
3.5
V
V
CMRRI
(Note 8)
Input Common Mode Rejection Ratio
(Input Referred) ΔV
ICM
/ΔV
OSDIFF
V
S
= 3V, V
ICM
from 0V to 1.5V
V
S
= 5V, V
ICM
from 0V to 3.5V
l
l
75
75
90
90
dB
dB
CMRRIO
(Note 8)
Output Common Mode Rejection Ratio (Input
Referred) ΔV
OCM
/ΔV
OSDIFF
V
S
= 3V, V
OCM
from 0.5V to 1.5V
V
S
= 5V, V
OCM
from 0.5V to 3.5V
l
l
55
60
80
85
dB
dB
PSRR
(Note 9)
Differential Power Supply Rejection (ΔV
S
/ΔV
OSDIFF
) V
S
= 2.7V to 5.25V
l
60 85 dB
PSRRCM
(Note 9)
Output Common Mode Power Supply Rejection
(ΔV
S
/ΔV
OSCM
)
V
S
= 2.7V to 5.25V
l
55 70 dB
V
S
Supply Voltage Range (Note 10)
l
2.7 5.25 V
G
CM
Common Mode Gain (ΔV
OUTCM
/ΔV
OCM
) V
S
= 3V, V
OCM
from 0.5V to 1.5V
V
S
= 5V, V
OCM
from 0.5V to 3.5V
l
l
1
1
V/V
V/V
ΔG
CM
Common Mode Gain Error, 100 × (G
CM
– 1)
V
S
= 3V, V
OCM
from 0.5V to 1.5V
V
S
= 5V, V
OCM
from 0.5V to 3.5V
l
l
±0.1
±0.1
±0.3
±0.3
%
%
BAL Output Balance
(ΔV
OUTCM
/ ΔV
OUTDIFF
)
ΔV
OUTDIFF
= 2V
Single-Ended Input
Differential Input
l
l
–65
–70
–50
–50
dB
dB
V
OSCM
Common Mode Offset Voltage (V
OUTCM
– V
OCM
) V
S
= 3V
V
S
= 5V
l
l
±1
±1
±5
±6
mV
mV
ΔV
OSCM
ΔT
Common Mode Offset Voltage Drift
l
4 µV/°C
V
OUTCMR
(Note 7)
Output Signal Common Mode Range
(Voltage Range for the V
OCM
Pin)
V
S
= 3V
V
S
= 5V
l
l
0.5
0.5
1.5
3.5
V
V
R
INVOCM
Input Resistance, V
OCM
Pin
l
30 40 50 KΩ
V
OCM
Self-Biased Voltage at the V
OCM
Pin V
S
= 3V, V
OCM
= Open
V
S
= 5V, V
OCM
= Open
l
0.9
0.85
1.25 1.6
V
V
V
OUT
Output Voltage, High, Either Output Pin V
S
= 3V, I
L
= 0
V
S
= 3V, I
L
= –20mA
V
S
= 5V, I
L
= 0
V
S
= 5V, I
L
= –20mA
l
l
l
l
1.85
1.8
3.85
3.8
2
1.95
4
3.95
V
V
V
V
Output Voltage, Low, Either Output Pin V
S
= 3V, 5V; I
L
= 0
V
S
= 3V, 5V; I
L
= 20mA
l
l
0.06
0.2
0.15
0.4
V
V
I
SC
Output Short-Circuit Current, Either Output Pin
(Note 11)
V
S
= 3V
V
S
= 5V
l
l
±50
±70
±70
±95
mA
mA
A
VOL
Large-Signal Open Loop Voltage Gain 65 dB
I
S
Supply Current
l
52 56
58
mA
mA
I
SHDN
Supply Current in Shutdown V
SHDN
≤ 0.6V
l
100 500 µA
R
SHDN
SHDN Pull-Up Resistor V
SHDN
= 0V to 0.5V
l
115 150 185 KΩ
V
IL
SHDN Input Logic Low
l
0.6 V
V
IH
SHDN Input Logic High
l
1.4 V
t
ON
Turn-On Time 160 ns
t
OFF
Turn-Off Time 80 ns
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
+
= 5V, V
–
= 0V, V
CM
= V
OCM
= V
ICM
= 1.25V, V
SHDN
= open. V
S
is
defined as (V
+
– V
–
). V
OUTCM
is defined as (V
+OUT
+ V
–OUT
)/2. V
ICM
is defined as (V
+IN
+ V
–IN
)/2. V
OUTDIFF
is defined as (V
+OUT
– V
–OUT
).