Datasheet

OPA2107
4
SBOS161A
www.ti.com
TYPICAL CHARACTERISTICS
T
A
= +25°C, V
S
= ±15V unless otherwise noted.
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1k
100
10
1
1 10 100 1k 10k 100k 1M
Frequency (Hz)
Voltage Noise (nV/ Hz)
Voltage Noise
Voltage Noise
100
10
1
0.1
Current Noise (ƒA/ Hz)
Current Noise
Current Noise
E
O
R
S
TOTAL INPUT VOLTAGE NOISE SPECTRAL DENSITY
at 1kHz vs SOURCE RESISTANCE
1k
100
10
1
100 1k 10k 100k 1M 10M 100M
Source Resistance ( )
Ω
Voltage Noise, E (n/V/ Hz)
O
OPA2107 + Resistor
Resistor Noise Only
Bias Current
Offset Current
INPUT BIAS AND OFFSET CURRENT
vs TEMPERATURE
10nA
1nA
1
–50 –25 0 +25 +50 +75
Ambient Temperature (°C)
Bias Current (pA)
10nA
1nA
0.1
100
10
1
0.1
+100 +125
100
10
1
Offset Current (pA)
INPUT BIAS AND OFFSET CURRENT
vs INPUT COMMON-MODE VOLTAGE
10
1
0.1
0.01
Bias Current (pA)
–15 –10 –5 0 +5 +10 +15
Common-Mode Voltage (V)
10
1
0.1
0.01
Offset Current (pA)
Offset Current
POWER SUPPLY AND COMMON-MODE
REJECTION vs FREQUENCY
120
100
80
60
40
20
0
10 100 1k 10k 100k 1M 10M
PSR, CMR (dB)
120
100
80
60
40
20
0
–PSR
CMR
+PSR
Frequency (Hz)
COMMON-MODE REJECTION
vs INPUT COMMON-MODE VOLTAGE
110
100
90
80
70
–15 –10 –5 0 +5 +10 +15
Common-Mode Rejection (dB)
Common-Mode Voltage (V)