Datasheet

4 Maxim Integrated
3V/5V Low-Power, Low-Noise, CMOS,
Rail-to-Rail I/O Op Amps
MAX9636/MAX9637/MAX9638
Typical Operating Characteristics
(V
DD
= 3.3V, V
SS
= 0V, V
IN+
= V
IN-
= V
CM
= V
DD
/2, R
L
= 10kI to V
DD
/2, SHDN = V
DD
, T
A
= -40NC to +125NC. Typical values are at
T
A
= +25NC, unless otherwise noted.)
OFFSET VOLTAGE HISTOGRAM
MAX9636 toc01
OFFSET VOLTAGE (mV)
PERCENT OCCURANCE (%)
0.90.7 1.00.80.1 0.2 0.3 0.4 0.5 0.60
2
4
6
8
10
12
14
16
18
20
0
OFFSET VOLTAGE THERMAL
COEFFICIENT HYSTOGRAM
MAX9636 toc02
OFFSET VOLTAGE THERMAL COEFFICIENT (µV/°C)
PERCENT OCCURANCE (%)
1.00.1 0.2 0.3 0.5 0.70.6 0.80.4 0.9
5
10
15
20
25
30
35
40
0
0
INPUT OFFSET VOLTAGE
vs. COMMON-MODE VOLTAGE
MAX9636 toc03
COMMON-MODE VOLTAGE (V)
OFFSET VOLTAGE (µV)
3.53.02.0 2.50.5 1.0 1.50
50
100
150
200
250
300
350
400
450
500
0
-0.5
4.0
T
A
= 0°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
T
A
= -40°C
INPUT OFFSET VOLTAGE
vs. SUPPLY VOLTAGE V
CM
= V
DD
/2
MAX9636 toc04
SUPPLY VOLTAGE (V)
OFFSET VOLTAGE (µV)
54321
220
240
260
280
300
320
340
360
380
400
200
06
T
A
= -40°C
T
A
= +85°C
T
A
= +125°C
T
A
= 0°C
T
A
= +25°C
INPUT BIAS CURRENT
vs. COMMON-MODE VOLTAGE
MAX9636 toc05
COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
3.53.02.52.01.51.00.50
-400
-200
0
200
400
600
-600
-0.5 4.0
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
OUTPUT VOLTAGE LOW vs. SINK CURRENT
V
DD
= 2.1V
MAX9636 toc06
SINK CURRENT (mA)
OUTPUT VOLTAGE LOW (mV)
108642
50
100
150
200
250
300
350
400
450
500
0
01
2
T
A
= +25°C
T
A
= 0°C
T
A
= -40°C
T
A
= +125°C
T
A
= +85°C
OUTPUT VOLTAGE LOW vs. SINK CURRENT
V
DD
= 3.3V
MAX9636 toc07
SINK CURRENT (mA)
OUTPUT VOLTAGE LOW (mV)
108642
50
100
150
200
250
0
01
2
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
T
A
= 0°C
OUTPUT VOLTAGE LOW vs. SINK CURRENT
V
DD
= 5V
MAX9636 toc08
SINK CURRENT (mA)
OUTPUT VOLTAGE LOW (mV)
2015105
50
100
150
200
250
300
350
0
02
5
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
T
A
= 0°C
OUTPUT VOLTAGE HIGH vs. SOURCE CURRENT
V
DD
= 2.1V, V
OH
= V
DD
- V
OUT
MAX9636 toc09
SOURCE CURRENT (mA)
OUTPUT VOLTAGE HIGH (mV)
987654321
200
400
600
800
1000
1200
0
01
0
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
T
A
= 0°C