Datasheet

LMC6442
SNOS013E –SEPTEMBER 1997–REVISED MARCH 2013 www.ti.com
5V Electrical Characteristics (continued)
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)
V
CM
Input Common-Mode 3.85 3.85 V
4.1
Voltage Range 3.75 3.75 min
CMRR ≥ 50 dB
−0.4 −0.2 −0.2 V
0 0 max
A
V
Large Signal Voltage Gain Sourcing
(4)
100
dB
Sinking
(4)
94
min
V
O
= 0.5V to 4.5V 103 80 80
V
O
Output Swing V
ID
= 100 mV
(5)
4.99 4.95 4.95 V
4.95 4.95 min
V
ID
= −100 mV
(5)
20 50 50 mV
50 50 max
I
SC
Output Short Circuit Current Sourcing, V
ID
= 100 mV
(6) (5)
500 300 300
200 200
µA
min
Sinking, V
ID
= −100 mV
(6) (5)
350 200 200
150 150
I
S
Supply Current R
L
= open 1.90 2.4 2.6 µA
(2 amplifiers) 3.0 3.2 max
AC Electrical Characteristics
SR Slew Rate
(7)
4.1 2.5 2.5 V/ms
GBWP Gain-Bandwidth Product 10 KHz
φ
m
Phase Margin See
(8)
64 deg
THD Total Harmonic Distortion A
V
= +2, f = 100 Hz, 0.08 %
R
L
= 10 MΩ, V
OUT
= 1 V
PP
(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.
10V Electrical Characteristics
Unless otherwise specified, all limits ensured for T
J
= 25°C, V
+
= 10V, 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
−1.5
±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
≤8.5V 105 70 70 dB min
Ratio 70 70
C
IN
Common Mode Input 3.5 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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