Datasheet

OPA2691
8
SBOS224D
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±5V (Cont.)
G = +2, R
F
= 402Ω, R
L
= 100Ω, unless otherwise noted (see Figure 1 for AC performance only).
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
Single Channel
1W Internal
Power Limit
Single Channel
Output Current Limit
65
60
55
50
45
40
35
30
25
20
CMRR AND PSRR vs FREQUENCY
Frequency (Hz)
1k 10k 100k 1M 10M 100M
Common-Mode Rejection Ratio (dB)
Power-Supply Rejection Ratio (dB)
+PSRR
CMRR
–PSRR
10
1
0.1
0.01
CLOSED-LOOP OUTPUT IMPEDANCE
vs FREQUENCY
Frequency (Hz)
10k 100M100k 1M 10M
Output Impedance (Ω)
1/2
OPA2691
402Ω
+5V
–5V
402Ω
50Ω
Z
O
120
100
80
60
40
20
0
OPEN-LOOP TRANSIMPEDANCE GAIN/PHASE
Frequency (Hz)
10k 100k 1M 10M 100M 1G
Transimpedance Gain (20dB/div)
0
–40
–80
–120
–160
–200
–240
Transimpedance Phase (40°/div)
|Z
OL
|
∠ Z
OL
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
)
16
14
12
10
8
6
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
Both Channels
Sourcing Output Current
Sinking Output Current