Datasheet

MAX4194–MAX4197
Micropower, Single-Supply, Rail-to-Rail,
Precision Instrumentation Amplifiers
_______________________________________________________________________________________ 3
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
G = +1V 78 95
G = +10V 93 115
G = +100V/V 95 115
V
CM
= V
EE
+ 0.2V
to V
CC
- 1.1V,
T
A
= +25°C,
∆R
S
= 1kΩ
G = + 1000V /V 115
G = +1V 73 95
G = +10V 88 115
G = +100V/V 90 115
DC Common-Mode
Rejection
CMR
DC
V
CM
= V
EE
+ 0.2V
to V
CC
- 1.1V,
T
A
= T
MIN
to T
MAX
,
∆R
S
= 1kΩ
G = + 1000V /V 115
dB
G = +1V 85
G = +10V 101
AC Common-Mode
Rejection
CMR
AC
V
CM
= V
EE
+ 0.2V
to V
CC
- 1.1V,
f = 120Hz
G = +100V 106
dB
Power-Supply Rejection PSR
+2.7V ≤ V
CC
≤ +7.5V; V
CM
= +1.5V;
V
OUT
= +1.5V; V
REF
= +1.5V; R
L
= 25kΩ to
+1.5V; G = +1V/V, +10V/V, +100V/V
90 120 dB
Input Bias Current I
B
V
CM
= V
CC
/2 6 20 nA
Input Bias Current Drift TC
IB
V
CM
= V
CC
/2 15 pA/°C
Input Offset Current I
OS
V
CM
= V
CC
/2 ±1.0 ±3.0 nA
Input Offset Current Drift TC
IOS
V
CM
= V
CC
/2 15 pA/°C
f = 10Hz 85
f = 100Hz 75
f = 10kHz 72
nV/√Hz
G = +1V/V
f = 0.1Hz to 10Hz 1.4 µV
RMS
f = 10Hz 35
f = 100Hz 32
f = 10kHz 31
nV/√Hz
G = +10V/V
f = 0.1Hz to 10Hz 0.7 µV
RMS
f = 10Hz 32
f = 100Hz 31
f = 10kHz 8.7
nV/√Hz
Input Noise Voltage e
n
G = +100V/V
f = 0.1Hz to 10Hz 0.6 µV
RMS
f = 10Hz 2.4
f = 100Hz 0.76
f = 10kHz 0.1
pA/√Hz
Input Noise Current i
n
f = 0.1Hz to 10Hz 16 pA
RMS
V
CC
- V
OH
30 100
R
L
= 25kΩ to V
CC
/2
V
OL
30 100
V
CC
- V
OH
100 200
Output Voltage Swing V
OH
, V
OL
R
L
= 5kΩ to V
CC
/2
V
OL
100 200
mV