Rainbow Electronics MAX4039 - Manual (Page 8)

MAX4036–MAX4039
Low I
BIAS
, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
8 _______________________________________________________________________________________
80
70
60
50
40
30
20
10
0
-10
-20
-30
-40
1 10 100 1k 10k 100k
GAIN AND PHASE
vs. FREQUENCY
MAX4036 toc25
FREQUENCY (Hz)
GAIN (dB)
180
135
90
45
0
-45
-90
-135
PHASE (DEGREES)
A
V
= 1000V/V
V IN_ = 1mV P-P
GAIN
PHASE
2
-30
100 10k 100k
LARGE-SIGNAL GAIN
vs. FREQUENCY
-22
-26
-18
-14
-10
-6
-2
MAX4036 toc26
FREQUENCY (Hz)
GAIN (dB)
1k
R L = 1MΩ
A V = 1
V OUT_ = 1V P-P
C L = 12pF
R L = 100kΩ
R L = 5kΩ
REFERENCE VOLTAGE
vs. TEMPERATURE
MAX4036 toc27
TEMPERATURE (°C)
V
REF
(V)
60 35 10 -15
1.228
1.230
1.232
1.234
1.236
1.226
-40 85
MAX4037/MAX4039
REFERENCE VOLTAGE CHANGE
vs. TIME
MAX4036 toc28
TIME (HR)
V
REF
(V)
500 400 300 200 100
1.231
1.232
1.233
1.234
1.230
0 600
MAX4037
MAX4039
REFERENCE VOLTAGE CHANGE
vs. LOAD CURRENT
MAX4036 toc29
LOAD CURRENT (µA)
NORMALIZED V
REF
400 300 200 100 0
0.99
1.00
1.01
1.02
0.98
-100 500
T A = +85°C
T A = +25°C
T A = -40°C
REFERENCE VOLTAGE CHANGE
vs. SUPPLY VOLTAGE
MAX4036 toc30
V
DD
(V)
NORMALIZED V
REF
3.3 3.0 2.1 2.4 2.7
0.9996
0.9997
0.9998
0.9999
1.0000
1.0001
1.0002
1.0003
0.9995
1.8 3.6
T A = +85°C
T A = +25°C
T A = -40°C
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.)
REFERENCE LINE-TRANSIENT RESPONSE
MAX4036 toc31
1ms/div
V DD
V REF
AC-COUPLED
50mV/div
0V
1.8V
3.6V