Datasheet

Frequency (Hz)
Open- Loop Phase (degrees)
Open- Loop Gain (dB)
10 100 1k 100k10k 1M 10M 1G100M
180
160
140
120
100
80
60
40
20
0
-20
-40
Phase
Gain
Frequency (Hz)
Normalized Gain (dB)
10M1M 100M 1G100k
3
0
-3
-6
-9
-12
-15
V = 0.1 V
O PP
G = +2, R = 604 W
F
G = +1
R = 25 W
F
G = +5, R = 604 W
F
G = +10, R = 604 W
F
Frequency (Hz)
Voltage Noise (nV/ ),Ö
Hz
Current Noise (fA/ )Ö
Hz
100M10 100 1k 10k 100k 1M 10M
10k
1k
100
10
1
Current Noise
Voltage Noise
Temperature ( C)°
Input Bias Current (pA)
65 85 1055 25 45 135125-55 -35 -15
10k
1k
100
10
1
Frequency (Hz)
CMRR, PSRR (dB)
10k 100k 1M 10M 100M 1G
100
80
60
40
20
0
PSRR-
PSRR+
CMRR
Offset Voltage (mV)
Population
-6-7-8 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8
OPA1S2384
OPA1S2385
www.ti.com SBOS645A –DECEMBER 2012–REVISED JUNE 2013
TYPICAL CHARACTERISTICS
Amplifier conditions: At T
A
= +25°C, R
L
= 1 kΩ connected to V
S
/ 2, and V
O
= V
CM
= V
S
/ 2, unless otherwise noted.
Figure 1. OFFSET VOLTAGE PRODUCTION DISTRIBUTION Figure 2. COMMON-MODE REJECTION RATIO AND
POWER-SUPPLY REJECTION RATIO vs FREQUENCY
Figure 3. INPUT BIAS CURRENT vs TEMPERATURE Figure 4. INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
Figure 5. OPEN-LOOP GAIN AND PHASE Figure 6. NONINVERTING SMALL-SIGNAL FREQUENCY
RESPONSE
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