Datasheet
LMC6442
www.ti.com
SNOS013E –SEPTEMBER 1997–REVISED MARCH 2013
2.2V Electrical Characteristics (continued)
Unless otherwise specified, all limits ensured for T
J
= 25°C, V
+
= 2.2V, V
−
= 0V, V
CM
= V
O
= V
+
/2, and R
L
= 1 MΩ to V
+
/2.
Boldface limits apply at the temperature extremes.
LMC6442AI LMC6442I
Parameter Test Conditions Typ
(1)
Units
Limit
(2)
Limit
(2)
V
CM
Input Common-Mode 1.05 1.05 V
1.3
Voltage Range 0.95 0.95 min
CMRR ≥ 50 dB
−0.3 −0.2 −0.2 V
0 0 max
A
V
Large Signal Voltage Gain Sourcing
(4)
100
dB
Sinking
(4)
94
min
V
O
= 0.22V to 2V 103 80 80
V
O
Output Swing V
ID
= 100 mV
(5)
2.15 2.15 V
2.18
2.15 2.15 min
V
ID
= −100 mV
(5)
22 60 60 mV
60 60 max
I
SC
Output Short Circuit Sourcing, V
ID
= 100 mV
(6) (5)
50 18 18
Current 17 17
µA
min
Sinking, V
ID
= −100 mV
(6) (5)
50 20 20
19 19
I
S
Supply Current R
L
= open 1.90 2.4 2.6
µA
(2 amplifiers) 3.0 3.2
max
V
+
= 1.8V, R
L
= open 2.10
AC Electrical Characteristics
SR Slew Rate
(7)
2.2 V/ms
GBWP Gain-Bandwidth Product 9.5 KHz
φ
m
Phase Margin See
(8)
63 deg
(4) R
L
connected to V
+
/2. For Sourcing Test, V
O
> V
+
/2. For Sinking tests, V
O
< V
+
/2.
(5) V
ID
is differential input voltage referenced to inverting input.
(6) Output shorted to ground for sourcing, and shorted to V+ for sinking short circuit current test.
(7) Slew rate is the slower of the rising and falling slew rates.
(8) See the Typical Performance Characteristics and Applications Information sections for more details.
5V Electrical Characteristics
Unless otherwise specified, all limits ensured for T
J
= 25°C, V
+
= 5V, V
−
= 0V, V
CM
= V
O
= V
+
/2, and R
L
= 1 MΩ to V
+
/2.
Boldface limits apply at the temperature extremes.
LMC6442AI LMC6442I
Parameter Test Conditions Typ
(1)
Units
Limit
(2)
Limit
(2)
DC Electrical Characteristics
V
OS
Input Offset Voltage ±3 ±7 mV
−0.75
±4 ±8 max
TCV
OS
Temp. coefficient of input 0.4 µV/°C
offset voltage
I
B
Input Bias Current See
(3)
pA
0.005 4 4
max
Input Offset Current See
(3)
pA
I
OS
0.0025 2 2
max
CMRR Common Mode Rejection −0.1V ≤ V
CM
≤3.5V 102 70 70 dB min
Ratio 70 70
C
IN
Common Mode Input 4.1 pF
Capacitance
PSRR Power Supply Rejection V
S
= 2.5 V to 10V 75 75 dB
95
Ratio 75 75 min
(1) Typical Values represent the most likely parametric norm.
(2) All limits are specified by testing or statistical analysis unless otherwise specified.
(3) Limits specified by design.
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