Datasheet

LTC6405
3
6405fb
For more information www.linear.com/6405
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OSDIFF
Differential Offset Voltage (Input Referred) V
ICM
= 5V (Note 12)
V
ICM
= 2.5V
V
ICM
= 0V (Note 12)
l
l
l
±1
±0.5
±1
±7
±3.5
±7
mV
mV
mV
∆V
OSDIFF
/∆T Differential Offset Voltage Drift (Input Referred) V
ICM
= 5V (Note 12)
V
ICM
= 2.5V
V
ICM
= 0V (Note 12)
l
l
l
1.5
1
3
µV/°C
µV/°C
µV/°C
I
B
Input Bias Current (Note 6) V
ICM
= 5V
V
ICM
= 2.5V
V
ICM
= 0V
l
–24
8
–7
–14
µA
µA
µA
I
OS
Input Offset Current (Note 6) V
ICM
= 5V
V
ICM
= 2.5V
V
ICM
= 0V
l
±0.5
±0.5
±0.5
±4
µA
µA
µA
R
IN
Input Resistance Common Mode
Differential Mode
230
3.5
kΩ
kΩ
C
IN
Input Capacitance Differential 1 pF
e
n
Differential Input Referred Noise Voltage Density f = 1MHz, Not Including R
I
/R
F
Noise
1.6 nV/√Hz
i
n
Input Noise Current Density f = 1MHz, Not Including R
I
/R
F
Noise
2.4 pA/√Hz
e
nVOCM
Input Referred Common Mode Output Noise Voltage
Density
f = 1MHz 9.5 nV/√Hz
V
ICMR
(Note 7) Input Signal Common Mode Range Op-Amp Inputs
l
V
–
V
+
V
CMRRI
(Note 8)
Input Common Mode Rejection Ratio
(Input Referred) ∆V
ICM
/∆V
OSDIFF
V
ICM
from 0V to 5V
l
50 75 dB
CMRRIO
(Note 8)
Output Common Mode Rejection Ratio
(Input Referred) ∆V
OCM
/∆V
OSDIFF
V
OCM
from 0.5V to 3.9V
l
50 75 dB
PSRR
(Note 9)
Differential Power Supply Rejection
(∆V
S
/∆V
OSDIFF
)
V
S
= 4.5V to 5.25V
l
50 75 dB
PSRRCM
(Note 9)
Output Common Mode Power Supply Rejection
(∆V
S
/∆V
OSCM
)
V
S
= 4.5V to 5.25V
l
55 70 dB
G
CM
Common Mode Gain (∆V
OUTCM
/∆V
OCM
) V
OCM
from 0.5V to 3.9V
l
1 V/V
∆G
CM
Common Mode Gain Error 100 • (G
CM
– 1) V
OCM
from 0.5V to 3.9V
l
±0.25 ±0.8 %
BAL Output Balance (∆V
OUTCM
/∆V
OUTDIFF
) ∆V
OUTDIFF
= 2V
Single-Ended Input
Differential Input
l
l
–60
–65
–40
–40
dB
dB
V
OSCM
Common Mode Offset Voltage (V
OUTCM
– V
OCM
)
l
±6 ±15 mV
∆V
OSCM
/∆T Common Mode Offset Voltage Drift
l
20 µV/°C
V
OUTCMR
(Note 7)
Output Signal Common Mode Range
(Voltage Range for the V
OCM
Pin)
l
0.5 3.9 V
R
INVOCM
Input Resistance, V
OCM
Pin
l
13 19 25 kΩ
V
OCM
Self-Biased Voltage at the V
OCM
Pin V
OCM
= Open
l
2.35 2.5 2.65 V
V
OUT
Output Voltage, High, +OUT/–OUT Pins I
L
= 0
I
L
= –5mA
l
l
3.9
3.85
4
3.95
V
V
Output Voltage, Low, +OUT/–OUT Pins I
L
= 0
I
L
= 5mA
l
l
0.3
0.42
0.45
0.54
V
V
I
SC
Output Short-Circuit Current, +OUT/–OUT Pins
(Note 10)
l
±40 ±60 mA
Dc electrical characteristics
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
= 2.5V, V
SHDN
= open,
circuit component values in Figure 1 used, unless otherwise noted. 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
).