Datasheet

TYPICAL CHARACTERISTICS: V
S
= ± 5V
1000
100
10
Frequency (Hz)
Transconductance (mA/V)
1M 10M 100M 1G
R
L
= 50
Ω
V
IN
= 10mV
PP
I
Q
= 12.5mA (117mA/V)
I
Q
= 11.2mA (102mA/V)
I
Q
= 9mA (79mA/V)
I
Q
= 7.5mA (51mA/V)
I
OU T
V
IN
50Ω
50
Ω
150
120
90
60
30
0
Quiescent Current (mA)
Transconductance (mA/V)
6 7 8 9 10 11 12 13
I
OUT
V
IN
50
Ω
50
Ω
V
IN
= 100mV
PP
160
140
120
100
80
60
40
20
0
Input Voltage (mV)
Transconductance (mA/V)
−
40
−
30
−
20
−
10 0 10 20 30 40
I
Q
= 12mA
I
Q
= 11.2mA
I
Q
= 9mA
I
Q
= 7mA
Small signal around input voltage.
8
6
4
2
0
−
2
−
4
−
6
−
8
OTA Input Voltage (mV)
OTA Output Current (mA)
−
70
−
60
−
50
−
40
−
30
−
20
−
10 0 10 20 30 40 50 60 70
I
Q
= 12mA
I
Q
= 11.2mA
I
Q
= 9mA
I
Q
= 7mA
I
OUT
V
IN
50
Ω
50
Ω
0.8
0.6
0.4
0.2
0
−
0.2
−
0.4
−
0.6
−
0.8
Time (10ns/div)
Output Voltage (V)
G = +5V/V
R
L
= 500
Ω
V
IN
= 0.25V
PP
f
IN
= 20MHz
See Figure 48
3
2
1
0
−
1
−
2
−
3
Time (10ns/div)
Output Voltage (V)
G = +5V/V
R
L
= 500
Ω
V
IN
= 1V
PP
f
IN
= 20MHz
See Figure 48
OPA860
www.ti.com ....................................................................................................................................................... SBOS331C – JUNE 2005 – REVISED AUGUST 2008
At T
A
= +25 ° C, I
Q
= 11.2mA, and R
L
= 500 Ω , unless otherwise noted.
OTA Performance
OTA TRANSCONDUCTANCE vs FREQUENCY OTA TRANSCONDUCTANCE vs QUIESCENT CURRENT
Figure 13. Figure 14.
OTA TRANSCONDUCTANCE vs INPUT VOLTAGE OTA TRANSFER CHARACTERISTICS
Figure 15. Figure 16.
OTA SMALL-SIGNAL PULSE RESPONSE OTA LARGE-SIGNAL PULSE RESPONSE
Figure 17. Figure 18.
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