Rainbow Electronics MAX9945 - Manual (Page 5)

INPUT OFFSET VOLTAGE
vs. COMMON-MODE VOLTAGE
MAX9945 toc09
COMMON-MODE VOLTAGE (V)
INPUT OFFSET VOLTAGE (
μ
V)
10 5 0 -10 -5
1000
800
0
600
400
200
-15
MAX9945
38V, Low-Noise, MOS-Input,
Low-Power Op Amp
_______________________________________________________________________________________ 5
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
MAX9945 toc10
TEMPERATURE ( °C)
INPUT OFFSET VOLTAGE (
μ
V)
100 120 80 40 60 -20 0 20
1000
800
0
600
400
200
-40
V CM = 0
V CM = V EE
V
CM
= V
CC
- 1.2V
OPEN-LOOP GAIN
vs. FREQUENCY
MAX9945 toc11
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
120
80
-40
40
0
1m 1 10 100 1k 10k 100k 1M 10M
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX9945 toc12
FREQUENCY (Hz)
CMRR (dB)
1M 100k 100 1k 10k
-90
-80
-70
-60
-50
-40
-30
-20
-100
10 10M
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9945 toc13
FREQUENCY (Hz)
PSRR (dB)
1M 100k 10k 1k 100 10
-100
-80
-60
-40
-20
0
-120
1 10M
UNIPOLAR
PSRR-
UNIPOLAR
PSRR+
BIPOLAR
PSRR
RESISTOR ISOLATION
vs. CAPACITIVE LOAD
MAX9945 toc14
R ISO ( Ω )
C
LOAD
(pF)
100 10
1000
10,000
100
1
STABLE
UNSTABLE
Typical Operating Characteristics (continued)
(V CC = +15V, V EE = -15V, V IN+ = V IN- = GND = 0, R OUT = 100k
Ω to GND, T
A = -40°C to +125°C, typical values are at T A = +25°C,
unless otherwise noted.)