SOT23, Rail-to-Rail, Fixed-Gain
GainAmps/Open-Loop Op Amps
75,MAX812/4
ELECTRICAL CHARACTERISTICS—MAX4174/MAX4175/MAX4274/MAX4275 Fixed-Gain
Amplifiers (continued)
(V
CC
= +2.5V to +5.5V, V = 0, V
= V = V
/ 2, R to V
/ 2, R = open, T = T
to T , unless otherwise noted. Typical
MAX
EE
IN+
IN-
CC
L
CC
L
A
MIN
PARAMETER
SYMBOL
CONDITIONS
Output settling to 1%
MIN
TYP
1
MAX
UNITS
ms
Power-Up Time
Slew Rate
SR
V
CC
= 5V, V
= 4V step
0.7
V/µs
OUT
Settling Time to Within
0.01%
V
CC
= 5V, V
= 4V step
7
µs
OUT
Input Noise Voltage Density
Input Noise Current Density
Capacitive Load Stability
e
n
f = 10kHz (Note 5)
f = 10kHz
90
4
nV/√Hz
fA/√Hz
pF
i
n
C
No sustained oscillations
470
LOAD
(V + 25mV) < V
R = 100kΩ (Note 6)
L
< (V
- 25mV),
EE
OUT
CC
DC Gain Accuracy
0.1
0.5
%
Gain = +1.25V/V
Gain = +3V/V
Gain = +5V/V
Gain = +10V/V
Gain = +25V/V
Gain = +51V/V
1700
970
970
640
590
330
-3dB Bandwidth
BW
kHz
-3dB
ELECTRICAL CHARACTERISTICS—MAX4281/MAX4282/MAX4284 Open-Loop Op Amps
(V
= +2.5V to +5.5V, V = 0, V
= V = V
/ 2, R to V
/ 2, R = open, T = T
to T , unless otherwise noted. Typical
MAX
CC
EE
IN+
IN-
CC
L
CC
L
A
MIN
values are at V
= +5V and T = +25°C.) (Note 1)
CC
A
PARAMETER
SYMBOL
CONDITIONS
Guaranteed by PSRR tests
MIN
TYP
MAX
5.5
450
500
2
UNITS
V
Supply Voltage Range
V
CC
2.5
V
CC
V
CC
= 3V
= 5V
290
320
0.5
5
µA
Supply Current
(per Amplifier)
I
CC
µA
Input Offset Voltage
Input Offset Voltage Drift
Input Bias Current
Input Offset Current
Input Resistance
V
OS
R = 100kΩ
L
mV
µV/°C
nA
I
0.05
10
10
BIAS
I
1000
pA
OS
R
C
Differential or common mode
Guaranteed by CMRR test
1000
2.5
MΩ
pF
IN
Input Capacitance
IN
Common-Mode Input
Voltage Range
CMVR
CMRR
PSRR
V
- 0.15
V
- 1.2
V
EE
CC
Common-Mode Rejection
Ratio
V
V
- 0.15V ≤ V
≤ V - 1.2V
CC
60
70
90
90
dB
dB
Ω
EE
CM
Power-Supply Rejection
Ratio
= 2.5V to 5.5V
CC
Closed-Loop Output
Impedance
R
OUT
A = 1V/V
V
0.02
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3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
