LMC6681 Datasheet, PDF (5/24 Pages) National Semiconductor (TI) – Low Voltage, Rail-To-Rail Input and Output CMOS

1.8V and 2.2V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed
(@ 2.2V), V_PD = 0.3V (@ 1.8V) and R_L > 1 MΩ.
for T_J = 25˚C, V+ = 1.8V and 2.2V, V− = 0V, V_CM
Boldface limits apply at the temperature extremes
= V_O
(Note
= V⁺/2,
16).
V_PD
=
0.4V
LMC6681AI LMC6681BI
Typ
LMC6682AI LMC6682BI
Symbol
Parameter
Conditions
(Note 5)
LMC6684AI LMC6684BI
Units
Limit
Limit
(Note 6)
(Note 6)
V_OS
Input Offset Voltage
V⁺ = 1.8V, V_CM = 1.5V
0.5
3
V⁺ = 2.2V, V_CM = 1.5V
0.5
2
3.8
10
mV max
6
mV
7.8
max
TCV_OS
Input Offset Voltage
V⁺ = 2.2V
1.5
Average Drift
µV/˚C
I_B
I_OS
CMRR
Input Current
Input Offset Current
Common Mode
V⁺ = 2.2V (Note 12)
V⁺ = 2.2V (Note 12)
V⁺ = 2.2V (Note 13)
0.08
20
0.04
10
82
60
20
pA max
10
pA max
60
dB min
Rejection Ratio
V⁺ = 1.8V (Note 13)
82
50
50
dB min
PSRR
V_CM
Power Supply
Rejection Ratio
Input Common Mode
Voltage Range
±1.1V ≤ V_S ≤ ±5V,
V_O = V⁺/2 = V_CM
V⁺ = 2.2V
CMRR > 40 dB
82
70
65
2.38
2.2
−0.15
0.0
65
dB
62
min
2.2
V min
0.0
V max
V⁺ = 1.8V
CMRR > 40 dB
1.98
1.8
−0.10
0.0
1.8
V min
0.0
V max
V_O
Output Swing
V⁺ = 2.2V
R_L = 2 kΩ to V⁺/2
2.15
2.0
1.88
0.05
0.2
2.0
V
1.88
min
0.2
V
0.32
0.32
max
V⁺ = 1.8V
1.75
1.6
1.6
V
R_L = 2 kΩ to V⁺/2
1.44
0.05
0.2
1.44
min
0.2
V
0.32
0.32
max
I_{S ON}
Supply Current
when Powered ON
Single, LMC6681
V_CM = 1.5V
Dual, LMC6682
0.7
1.1
1.1
mA
1.32
1.32
max
1.4
2.2
2.2
mA
V_CM = 1.5V
Quad, LMC6684
2.7
2.7
max
2.8
4.4
4.4
mA
I_{S OFF}
Supply Current
when Powered OFF
V_CM = 1.5V
Single, LMC6681
V_PD = 1.5V
Dual, LMC6682
5.3
5.3
max
0.5
1.5
1.5
µA
2.7
2.7
max
0.5
1.5
1.5
µA
V_PD = 1.5V
Quad, LMC6684
2.7
2.7
max
1.0
3.0
3.0
µA
V_PD = 1.5V
5.4
5.4
max
5
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