Datasheet

MAX4036–MAX4039
Low I
BIAS
, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
6 _______________________________________________________________________________________
OUTPUT VOLTAGE SWING HIGH
vs. TEMPERATURE
MAX4036 toc10
TEMPERATURE (°C)
V
DD
- V
OH
(mV)
603510-15
5
10
15
20
25
30
0
-40 85
R
L
= 5kΩ
R
L
= 100kΩ
OUTPUT VOLTAGE SWING LOW
vs. TEMPERATURE
MAX4036 toc11
TEMPERATURE (°C)
V
OL
- V
SS
(mV)
603510-15
5
10
15
20
25
30
35
0
-40 85
R
L
= 100kΩ
R
L
= 5kΩ
A
V
vs. OUTPUT SWING LOW
MAX4036 toc12
V
OL
(mV)
A
V
(dB)
400300100 200
60
80
100
120
140
40
0 500
R
L
= 5kΩ
R
L
= 100kΩ
A
V
vs. OUTPUT SWING HIGH
MAX4036 toc13
V
DD
- V
OH
(mV)
A
V
(dB)
400300100 200
60
80
100
120
140
40
0 500
R
L
= 5kΩ
R
L
= 100kΩ
A
V
vs. TEMPERATURE
MAX4036 toc14
TEMPERATURE
(
°C
)
A
VOL
(dB)
603510-15
20
40
60
80
100
120
140
0
-40 85
R
L
= 100kΩR
L
= 5kΩ
0
-100
0
0.1 10k 100k
CROSSTALK
vs. FREQUENCY
-60
-80
-40
-20
MAX4036 toc15
FRE
Q
UENCY
(
Hz
)
CROSSTALK (dB)
1k
R
L
= 5kΩ
R
L
= 100kΩ
A
V
= 1V/V
MAX4038/MAX4039
100
0.01
0.01
0.1 10 100
TOTAL HARMONIC DISTORTION PLUS NOIS
E
vs. FREQUENCY
0.1
1
10
MAX4036 toc16
FREQUENCY (kHz)
THD+N (%)
1
A
V
= 1V/V
V
IN_
= V
DD
/2
V
OUT
= 2.5V
P-P
R
L
= 100kΩ TO V
SS
V
OUT
= 2.5V
P-P
R
L
= 5kΩ TO V
SS
100,000
100
10k 100k 1M
OP AMP STABILITY
vs. CAPACITIVE AND RESISTIVE LOADS
MAX4036 toc17
RESISTIVE LOAD (Ω)
CAPACITIVE LOAD (pF)
1000
10,000
STABLE
REGION
R
L
TO V
SS
UNSTABLE
REGION
OP AMP SINK CURRENT
vs. OUTPUT VOLTAGE
MAX4036 toc18
V
OUT_
(V)
SINK CURRENT (mA)
2.41.81.20.6
2
4
6
8
10
12
14
0
0 3.0
V
DD
= 3.0V
V
DD
= 1.8V
V
ID
= -100mV
Typical Operating Characteristics (continued)
(V
DD
= 3V, V
SS
= V
CM
= 0V, R
L
to V
DD
/2, T
A
= +25°C, unless otherwise noted.)