MAX9945 Maxim, MAX9945 Datasheet - Page 6
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MAX9945
Manufacturer Part Number
MAX9945
Description
The MAX9945 operational amplifier features an excellent combination of low operating power and low input voltage noise
Manufacturer
Maxim
Datasheet
1.MAX9945.pdf
(14 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX9945AUA+T
Manufacturer:
MAXIM
Quantity:
163
Part Number:
MAX9945AUA+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
38V, Low-Noise, MOS-Input,
Low-Power Op Amp
(V
unless otherwise noted.)
6
CC
_______________________________________________________________________________________
= +15V, V
EE
500mV/div
= -15V, V
10,000
1000
V
100
+1V
OUT
-1V
10
30
25
20
15
10
5
0
10
vs. CAPACITIVE AND RESISTIVE LOADS
1
A
V
R
C
V
IN
L
L
LARGE SIGNAL-STEP RESPONSE
= 10kΩ
IN+
= 1V/V
= 100pF
= 2V
PARALLEL LOAD RESISTANCE (kΩ)
LARGE-SIGNAL RESPONSE
P-P
= V
10
OP-AMP STABILITY
100
vs. FREQUENCY
IN-
FREQUENCY (kHz)
UNSTABLE
= V
1μs/div
STABLE
100
GND
1000
R
= 0V, R
LOAD
1000
Typical Operating Characteristics (continued)
= 100kΩ
MAX9945 toc19
OUT
10,000
10,000
= 100kΩ to GND, T
10mV/div
1000.00
2.5V/div
100.00
+20mV
-20mV
10.00
V
V
1.00
0.10
0.01
+5V
A
OUT
-5V
OUT
= -40°C to +125°C, typical values are at T
10
A
V
R
V
IN
L
LARGE SIGNAL-STEP RESPONSE
SMALL SIGNAL-STEP RESPONSE
= 1V/V
= 100kΩ
= 40mV
100
OUTPUT IMPEDANCE
P-P
ACL = 10
ACL = 1
vs. FREQUENCY
1k
FREQUENCY (Hz)
4μs/div
2μs/div
10k
100k
A
V
R
C
V
IN
L
L
= 10kΩ
= 1V/V
= 100pF
1M
MAX9945 toc18
= 10V
MAX9945 toc20
P-P
10M
A
= +25°C,