Datasheet

4 Maxim Integrated
Dual 36V Op Amp for 18-Bit
SAR ADC Front-End
MAX9633
Typical Operating Characteristics
(V
CC
= +15V, V
EE
= -15V, V
CM
= 0V, outputs have R
L
= 10kI connected to V
GND
= 0V. Typical values are at T
A
= +25NC, unless
otherwise noted.)
V
OS
HISTOGRAM
MAX9633 toc01
V
OS
(µV)
OCCURRENCES (%)
180100 140-100 -60 -20 20 60-140
5
10
15
20
25
30
35
40
45
50
0
-180
V
OS
DRIFT (µV/°C)
FREQUENCY (%)
0.50.40.2 0.3-0.3 -0.2 -0.1 0 0.1-0.4
5
10
15
20
25
30
35
40
45
50
0
-0.5
V
OS
DRIFT HISTOGRAM
MAX9633 toc02
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX9633 toc03
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
3530252015105
1
2
3
4
5
6
0
04
0
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
T
A
= 0°C
INPUT OFFSET VOLTAGE
vs. INPUT COMMON MODE
INPUT COMMON MODE (V)
V
OS
(µV)
105-10 -5 0
25
30
35
40
45
50
55
60
20
-15 15
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
T
A
= 0°C
MAX9633 toc04
INPUT OFFSET VOLTAGE
vs. SUPPLY VOLTAGE
MAX9633 toc05
SUPPLY VOLTAGE (V)
V
OS
(µV)
302010
25
30
35
40
45
50
55
60
20
04
0
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
T
A
= 0°C
T
A
= +125°C
BIAS CURRENT
vs. INPUT COMMON MODE
MAX9633 toc06
INPUT COMMON MODE (V)
BIAS CURRENT (nA)
1050-5-10
32
34
36
38
40
42
44
46
48
50
30
-15 15
T
A
= -40°C
T
A
= +125°C
T
A
= 0°C
T
A
= +25°C
T
A
= +85°C
BIAS CURRENT vs. SUPPLY VOLTAGE
MAX9633 toc07
SUPPLY VOLTAGE (V)
35
3020 2510 155
04
0
BIAS CURRENT (nA)
32
34
36
38
40
42
44
46
48
50
30
T
A
= -40°C
T
A
= +125°C
T
A
= 0°C
T
A
= +25°C
T
A
= +85°C
MAX9633 toc08
120100-40 -20 0 40 6020 80-60 140
-140
-120
-100
-80
-60
-40
-20
-160
DC COMMON-MODE REJECTION RATIO
vs. TEMPERATURE
0
TEMPERATURE (°C)
CMRR (dB)
DC PSRR vs. TEMPERTURE
MAX9633 toc09
TEMPERATURE (°C)
PSRR (dB)
1007525 500-25
-140
-120
-100
-80
-60
-40
-20
0
-50 125