Rainbow Electronics MAX9944 - Manual (Page 6)

MAX9943/MAX9944
High-Voltage, Precision, Low-Power Op Amps
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V CC = 15V, V EE = -15V, V CM = 0, R L = 10kΩ to GND, GND = 0, T A = +25°C, unless otherwise noted.)
OUTPUT IMPEDANCE vs. FREQUENCY
MAX9943 toc14
FREQUENCY (kHz)
OUTPUT IMPEDANCE (
Ω
)
1000 100 10 1
0.1
1
10
100
1000
0.01
0.1 10,000
INPUT VOLTAGE NOISE
vs. FREQUENCY
MAX9943 toc15
FREQUENCY (Hz)
10,000 1000 100 10
10
20
30
40
50
60
70
80
90
100
0
1 100,000
INPUT VOLTAGE NOISE (nV/
√
Hz)
CAPACITIVE LOAD vs. RESISTIVE LOAD
MAX9943 toc17
R LOAD (Ω)
C
LOAD
(pF)
1000 10,000
1000
10,000
100,000
100
100 100,000
STABLE
UNSTABLE
OPEN-LOOP GAIN vs. FREQUENCY
MAX9943 toc16
FREQUENCY (kHz)
OPEN-LOOP GAIN (dB)
100
10
0.0001
0.001
0.01
0.1
1
0
20
40
60
80
100
120
140
-20
0.00001 1000
10,000
1µs/div
SMALL SIGNAL-STEP RESPONSE
20mV/div
MAX9943 toc18
OUT
10µs/div
LARGE SIGNAL-STEP RESPONSE
1V/div
MAX9943 toc19
OUT