Datasheet

LMC7101, LMC7101Q
www.ti.com SNOS719F –SEPTEMBER 1999–REVISED MARCH 2013
2.7V Electrical Characteristics (continued)
Unless otherwise specified, all limits guaranteed for T
J
= 25°C, V
+
= 2.7V, V
−
= 0V, V
CM
= V
O
= V
+
/2 and R
L
> 1 MΩ. Boldface
limits apply at the temperature extremes.
LMC7101AI LMC7101BI LMC7101Q
Symbol Parameter Conditions Typ
(1)
Limit Limit Limit Units
(2) (2) (2) (3)
V
+
= 1.35V to 1.65V
PSRR Power Supply Rejection Ratio V
−
= −1.35V to −1.65V 60 50 45 45 dB min
V
CM
= 0
C
IN
Common-Mode Input Capacitance 3 pF
2.45 2.15 2.15 2.15 V min
R
L
= 2 kΩ
0.25 0.5 0.5 0.5 V max
V
O
Output Swing
2.68 2.64 2.64 2.64 V min
R
L
= 10 kΩ
0.025 0.06 0.06 0.06 V max
0.5 0.81 0.81 0.81 mA
I
S
Supply Current
0.95 0.95 0.95 max
SR Slew Rate
(4)
0.7 V/μs
GBW Gain-Bandwidth Product 0.6 MHz
(4) V
+
= 15V. Connected as a voltage follower with a 10V step input. Number specified is the slower of the positive and negative slew rates.
R
L
= 100 kΩ connected to 7.5V. Amp excited with 1 kHz to produce V
O
= 10 V
PP
.
3V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J
= 25°C, V
+
= 3V, V
−
= 0V, V
CM
= 1.5V, V
O
= V
+
/2 and R
L
= 1 MΩ.
Boldface limits apply at the temperature extremes.
LMC7101AI LMC7101BI LMC7101Q
Typ
Symbol Parameter Conditions Limit Limit Limit Units
(1)
(2) (2) (2) (3)
4 7 mV
V
OS
Input Offset Voltage 0.11 7
6 9 max
TCV
OS
Input Offset Voltage Average Drift 1 μV/°C
I
B
Input Current 1.0 64 64 1000 pA max
I
OS
Input Offset Current 0.5 32 32 2000 pA max
R
IN
Input Resistance >1 Tera Ω
0V ≤ V
CM
≤ 3V
CMRR Common-Mode Rejection Ratio 74 64 60 60 db min
V
+
= 3V
0.0 0.0 0.0 0.0 V min
Input Common-Mode Voltage
V
CM
For CMRR ≥ 50 dB
Range
3.3 3.0 3.0 3.0 V max
V
+
= 1.5V to 7.5V
PSRR Power Supply Rejection Ratio V
−
= −1.5V to −7.5V 80 68 60 60 dBmin
V
O
= V
CM
= 0
C
IN
Common-Mode Input Capacitance 3 pF
2.8 2.6 2.6 2.6 V min
R
L
= 2 kΩ
0.2 0.4 0.4 0.4 V max
V
O
Output Swing
2.7 2.5 2.5 2.5 V min
R
L
= 600Ω
0.37 0.6 0.6 0.6 V max
0.81 0.81 0.81 mA
I
S
Supply Current 0.5
0.95 0.95 0.95 max
(1) Typical Values represent the most likely parametric norm.
(2) All limits are guaranteed by testing or statistical analysis.
(3) When operated at temperature between −40°C and 85°C, the LMC7101Q will meet LMC7101BI specifications.
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