Datasheet

MAX4194–MAX4197
Micropower, Single-Supply, Rail-to-Rail,
Precision Instrumentation Amplifiers
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +5V, V
EE
= 0V, R
L
= 25kΩ tied to V
CC
/2, V
REF
= V
CC
/2, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at
T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Short-Circuit Current
(Note 2)
I
SC
±4.5 mA
Gain Equation MAX4194 only
1 +
(50kΩ/R
G
)
G = +1V ±0.01 ±0.1
G = +10V ±0.03 ±0.3
G = +100V/V ±0.05 ±0.5
T
A
= +25°C,
V
CM
= V
CC
/2,
R
L
= 25kΩ,
V
EE
+ 0.1V ≤ V
OUT
≤ V
CC
- 0.1V
G = + 1000V /V , M AX 4194 ±0.5
G = +1V ±0.01 ±0.1
G = +10V ±0.03 ±0.3
G = +100V/V ±0.05 ±0.5
Gain Error
T
A
= +25°C,
V
CM
= V
CC
/2,
R
L
= 5kΩ,
V
EE
+ 0.2V ≤ V
OUT
≤ V
CC
- 0.2V
G = + 1000V /V , M AX 4194 ±0.5
%
MAX4194/MAX4195, G = +1V/V ±1 ±8
Gain Temperature
Coefficient (Note 1)
MAX4196/MAX4197 ±1 ±15
ppm/°C
50kΩ Resistance
Temperature Coefficient
(Note 3)
TC
50kΩ
MAX4194 ±16 ppm/°C
Nonlinearity
V
EE
+ 0.1V ≤ V
OUT
≤ V
CC
- 0.1V,
V
CM
= V
CC
/2, G = +1V/V, +10V/V,
+100V/V, +1000V/V
±0.001 %
Capacitive-Load Stability C
L
300 pF
MAX4194 250
G = +1V/V
MAX4195 220
MAX4194 17
G = +10V/V
MAX4196 34
MAX4194 1.5
G = +100V/V
MAX4197 3.1
-3dB Bandwidth BW
-3dB
V
OUT
≤ 0.1V
P-P
,
V
CM
= V
CC
/2
G = +1000V/V MAX4194 0.147
kHz
Slew Rate SR V
OUT
= 2V
P-P
, G = +1V/V 0.06 V/µs
G = +1V/V 0.05
G = +10V/V 0.04
G = +100V/V 5
Settling Time t
S
0.1%, V
OUT
= 2V
P-P
G = +1000V/V 7
ms
Total Harmonic Distortion THD V
OUT
= 2V
P-P
, G = +1V/V, f = 1kHz 0.001 %
Input Logic Voltage High V
IH
V
CC
- 1.5 V
Input Logic Voltage Low V
IL
V
CC
- 2.5 V
SHDN Input Current V
EE
< V
SHDN
< V
CC
MAX4195/MAX4196/
MAX4197 only
±0.1 µA