Datasheet
LTC6081/LTC6082
4
60812fd
For more information www.linear.com/LTC6081
elecTrical characTerisTics
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Test conditions are V
+
= 3V, V
–
= 0V, V
CM
= 0.5V unless otherwise noted.
SYMBOL PARAMETER CONDITIONS
C, I SUFFIXES H SUFFIX
UNITSMIN TYP MAX MIN TYP MAX
V
OS
Offset Voltage LTC6081MS8, LTC6082GN V
CM
= 0.5V, 2.5V
LTC6081MS8, LTC6082GN
V
CM
= 0.5V, 2.5V
LTC6081DD, LTC6082DHC
V
CM
= 0.5V, 2.5V
LTC6081DD, LTC6082DHC
V
CM
= 0.5V, 2.5V
●
●
–70
–90
–70
–90
70
90
70
90
–70
–90
70
90
μV
μV
μV
μV
ΔV
OS
⁄ΔT
Input Offset Voltage Drift
(Note 5)
●
±0.2 ±0.8 ±0.2 ±0.8 μV/°C
I
B
Input Bias Current
(Note 6)
●
0.2 1
40
0.2 1
500
pA
pA
I
OS
Input Offset Current
●
0.1
15
0.1
100
pA
pA
e
n
Input Referred Noise Noise Density at f = 1kHz
Integrated Noise From 0.1Hz to 10Hz
13
1.3
13
1.3
nV/√Hz
µV
P-P
I
n
Input Noise Current Density
(Note 7)
0.5 0.5 fA/√Hz
Input Common Mode Range
●
V
–
V
+
V
–
V
+
V
C
DIFF
Differential Input Capacitance 3 3 pF
C
CM
Common Mode Input
Capacitance
7 7 pF
CMRR Common Mode Rejection
Ratio
V
CM
= 0V to 1.5V
V
CM
= 0V to 1.5V
V
CM
= 0V to 3V
V
CM
= 0V to 3V
●
●
95
88
93
88
105
100
105
100
95
86
93
86
105
100
105
100
dB
dB
dB
dB
PSRR Power Supply Rejection Ratio V
S
= 2.7V to 5.5V
●
98
96
110 98
96
110 dB
dB
V
OUT
Output Voltage, High, Either
Output Pin
No Load
I
SOURCE
= 0.5mA
I
SOURCE
= 5mA
●
●
–32
–320
1
–35
–350
1 mV
mV
mV
Output Voltage, Low
, Either
Output Pin (Referred to V
–
)
No Load
I
SINK
= 0.5mA
I
SINK
= 5mA
●
●
1
33
300
1
40
360
mV
mV
mV
A
VOL
Large-Signal Voltage Gain R
LOAD
= 10k, 0.5V < V
OUT
< 2.5V
●
110 120 110 120 dB
I
SC
Output Short-Circuit Current Source
Sink
●
●
17
17
15
15
mA
mA
SR Slew Rate A
V
= 1 1 1 V/μs
GBW Gain-Bandwidth Product
(f
TEST
= 50kHz)
R
L
= 100k
●
2.5
1.8
3.6 2.5
1.5
3.6 MHz
MHz
F
0
Phase Margin R
L
= 10k 70 70 Deg
t
S
Settling Time 0.1% A
V
= 1, 1V Step 6 6 μs
I
S
Supply Current
(Per Amplifier)
No Load
●
330 400
435
330 400
460
μA
μA
Shutdown Current
(Per Amplifier)
Shutdown, V
SHDN
≤ 0.8V
●
0.5
2
μA
μA
V
S
Supply Voltage Range Guaranteed by the PSRR Test
●
2.7 5.5 2.7 5.5 V
Channel Separation f
s
= 10kHz, R
L
= 10k –120 –120 dB