Datasheet

140
120
100
80
60
40
20
0
Quiescent Current (mA)
OTA B−Input Resistance (M
Ω
)
8 9 10 1211 13 14 15
18
16
14
12
10
8
6
4
2
0
Quiescent Current (mA)
OTA C−Output Resistance (M
Ω
)
8 9 10 11 12 13 14 15
180
160
140
120
100
80
60
40
20
0
Quiescent Current (mA)
OTA E−Output Resistance (
Ω
)
8 9 10 11 12 13 14 15
100
10
1
Frequency (Hz)
Voltage Noise Density (nV/
√
Hz)
Current Noise Density (pA/
√
Hz)
100 1k 10k 100k 1M 10M
B−Input Current Noise (2.5pA/
√
Hz)
B−Input Voltage Noise (4.6nV/
√
Hz)
E−Input Current Noise (21.0pA/
√
Hz)
2.0
1.5
1.0
0.5
0
−
0.5
−
1.0
−
1.5
−
2.0
Ambient Temperature (
_
C)
B−Input Offset Voltage (mV)
0.10
0.05
0
−
0.05
−
0.10
B−Input Bias Current (
µ
V)
−
40
−
20 120
0 20 40 60 80 100
B−Input Bias Current
B−Input Offset Voltage
35
30
25
20
15
10
5
0
−
5
−
10
−
15
−
20
−
25
−
30
−
35
OTA−B Input Voltage (mV)
OTA−C Output Current (mA)
−
3.5
−
3
−
2.5
−
2
−
1.5
−
1
−
0.5 0 0.5 1 1.5 2 2.5 3 3.5
I
O UT
V
IN
Degenerated E−Input
R
E
= R
L
= 100Ω
100Ω
100
Ω
I
Q
= 14.3mA
I
Q
= 13mA
I
Q
= 9.6mA
OPA615
www.ti.com ...................................................................................................................................... SBOS299E –FEBRUARY 2004–REVISED SEPTEMBER 2009
TYPICAL CHARACTERISTICS (continued)
T
A
= +25°C and I
Q
= 13mA, unless otherwise noted.
OTA B-INPUT RESISTANCE vs QUIESCENT CURRENT OTA C-OUTPUT RESISTANCE vs QUIESCENT CURRENT
Figure 7. Figure 8.
OTA E-OUTPUT RESISTANCE vs QUIESCENT CURRENT OTA INPUT VOLTAGE AND CURRENT NOISE DENSITY
Figure 9. Figure 10.
OTA B-INPUT OFFSET VOLTAGE AND BIAS CURRENT
vs TEMPERATURE OTA TRANSFER CHARACTERISTICS vs INPUT VOLTAGE
Figure 11. Figure 12.
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