OPA2691 Datasheet, PDF (8/30 Pages) Texas Instruments – Dual Wideband, Current-Feedback OPERATIONAL AMPLIFIER

TYPICAL CHARACTERISTICS: V_S = ±5V (Cont.)
G = +2, R_F = 402Ω, R_L = 100Ω, unless otherwise noted (see Figure 1 for AC performance only).
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
5
4 _{1W Internal}
3
Power Limit
Single Channel
Output Current Limit
2
1
0
–1
–2
–3
–4 _{Output Current Limit}
–5
25Ω
Load Line
50Ω Load Line
100Ω Load Line
1W Internal
Power Limit
Single Channel
–300 –250 –200 –150 –100 –50 0 +50 +100 +150 +200 +250 +300
I_O (mA)
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
–50
TYPICAL DC DRIFT OVER TEMPERATURE
40
30
Noninverting Input Bias Current (I_B+)
20
10
0
Inverting Input
Bias Current (I_B–)
–10
–20
Input Offset
Voltage (V_OS) –30
–25
0
–40
25
50
75
100 125
Ambient Temperature (°C)
65
60
55
50
45
40
35
30
25
20
1k
CMRR AND PSRR vs FREQUENCY
+PSRR
–PSRR
CMRR
10k
100k
1M
10M
100M
Frequency (Hz)
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
16
250
Sourcing Output Current
14
200
Sinking Output Current
12
150
10
100
Quiescent Supply Current
Both Channels
8
50
6
–50 –25
0
25
50
75
Ambient Temperature (°C)
0
100 125
CLOSED-LOOP OUTPUT IMPEDANCE
vs FREQUENCY
10
+5V
1/2
1
50Ω OPA2691
Z_O
402Ω
–5V
402Ω
0.1
0.01
10k
100k
1M
10M
Frequency (Hz)
100M
OPEN-LOOP TRANSIMPEDANCE GAIN/PHASE
120
0
100
| Z_OL|
80
∠ Z_OL
60
–40
–80
–120
40
–160
20
–200
0
10k
100k
1M
10M
Frequency (Hz)
100M
–240
1G
8
OPA2691
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SBOS224D