Manual

MAX4074–MAX4078
Micropower, SOT23, Rail-to-Rail,
Fixed-Gain, GainAmp/Open-Loop Op Amps
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ELECTRICAL CHARACTERISTICS—MAX4076/MAX4077/MAX4078
(V
CC
= +2.5V to +5.5V, V
EE
= 0, V
IN+
= V
IN-
= V
CC
/2, R
L
= ∞ to V
CC
/2, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at V
CC
= +5V and T
A
= +25°C.) (Note 1)
ELECTRICAL CHARACTERISTICS—MAX4074/MAX4075 (continued)
(V
CC
= +2.5V to +5.5V, V
EE
= 0, V
IN+
= V
IN-
= V
CC
/2, R
L
= ∞ to V
CC
/2, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at V
CC
= +5V and T
A
= +25°C.) (Note 1)
90
80
90
-3dB Bandwidth BW (-3dB)
120
kHz
A
V
= +3V/V
A
V
= +5V/V
A
V
= +10V/V
A
V
= +25V/V
200A
V
= +1.25V/V
Input Noise Current Density 500
fA/√Hz
Capacitive Load Stability C
LOAD
500 pF
DC Gain Accuracy
0.01 1.0
%
f = 5kHz
No sustained oscillations
PARAMETER SYMBOL MIN TYP MAX UNITS
Power-Up Time 9 ms
Slew Rate SR 100 V/ms
Settling Time (to 0.01%) 60 µs
Input Voltage Noise Density e
n
150
nV/√Hz
CONDITIONS
Output settling to 1%
V
OUT
= 4V step
V
OUT
= 4V step
f = 5kHz (Note 5)
1.2
T
A
= +25°C
(V
EE
+ 25mV) < V
OUT
< (V
CC
- 25mV),
R
L
= 1MΩ (Note 6)
T
A
= T
MIN
to T
MAX
Supply Current (per amplifier) I
CC
40 55
µA
V
CC
= 3V
PARAMETER SYMBOL MIN TYP MAX UNITS
Input Bias Current (Note 2) I
IBIAS
1200pA
Input Offset Voltage Drift 1.5µV µV/°C
Power-Supply Rejection Ratio PSRR 70 95 dB
Supply Voltage Range V
CC
2.5 5.5 V
80 93
45 60
Input Offset Voltage V
OS
1.2 3.5mV mV
Closed-Loop Output Impedance R
OUT
0.2 Ω
4.5
Output Short-Circuit Current
20
mA
80 117
Large-Signal Voltage Gain A
VOL
dB
0.25V < V
OUT
< (V
CC
- 0.3V), R
L
= 5kΩ
80 95
Common-Mode Input Voltage
Range
I
VR
0.25V < V
OUT
< (V
CC
- 0.3V), R
L
= 10kΩ
CONDITIONS
A
V
= +1V/V
Shorted to V
CC
Shorted to V
EE
0.15 V
CC -
1.2
V
CC
= 2.5V to 5.5V
VGuaranteed by CMRR
Guaranteed by PSRR test
V
CC
= 5V
0.05V < V
OUT
< (V
CC
- 0.1V), R
L
= 1MΩ
R
L
= 1MΩ
Input Offset Current I
OS
±0.4 pA
Common-Mode Rejection Ratio CMRR 70 95 dB(V
CC
- 1.2V) ≥ V
CM
≥ -0.15V