Datasheet

OPA691
8
SBOS226D
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±5V (Cont.)
G = +2, R
F
= 402Ω, and R
L
= 100Ω, unless otherwise noted (see Figure 1).
10
8
6
4
2
0
250
200
150
100
50
0
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
Ambient Temperature (°C)
–50 –25 0 25 50 75 100 125
Supply Current (2mA/div)
Output Current (50mA/div)
Quiescent Supply Current
Sourcing Output Current
Sinking Output Current
5
4
3
2
1
0
–1
–2
–3
–4
–5
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
I
O
(mA)
–150–200–250–300 –50–100 0 +100+50 +200+150 +250 +300
V
O
(V)
100Ω Load Line
50Ω Load Line
25Ω
Load Line
Output Current Limit
1W Internal
Power Limit
1W Internal
Power Limit
Output Current Limit
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
TYPICAL DC DRIFT OVER TEMPERATURE
Ambient Temperature (°C)
–50 –25 0 25 50 75 100 125
Input Offset Voltage (mV)
40
30
20
10
0
–10
–20
–30
–40
Input Bias Currents (µA)
Noninverting Input Bias Current (I
B+
)
Inverting Input
Bias Current (I
B–
)
Input Offset
Voltage (V
OS
)
10
1
0.1
0.01
CLOSED-LOOP OUTPUT IMPEDANCE
vs FREQUENCY
Frequency (Hz)
10k 100M100k 1M 10M
Output Impedance (Ω)
OPA691
402Ω
+5
–5
402Ω
50Ω
Z
O
2.0
1.6
1.2
0.8
0.4
0
LARGE-SIGNAL DISABLE/ENABLE RESPONSE
Time (200ns/div)
Output Voltage (400mV/div)
6.0
4.0
2.0
0
V
DIS
(2V/div)
V
DIS
Output Voltage
V
IN
= +1V
30
20
10
0
–10
–20
–30
DISABLE/ENABLE GLITCH
Time (20ns/div)
Output Voltage (10mV/div)
6.0
4.0
2.0
0
V
DIS
(2V/div)
V
DIS
Output Voltage
(0V Input)
V
IN
= 0V