TYPICAL CHARACTERISTICS: VS = ±5V (Cont.)
TA = 25°C, G = +10, RF = 453Ω, RG = 50Ω, and RL = 100Ω, unless otherwise noted.
COMMON-MODE REJECTION RATIO AND
OPEN-LOOP GAIN AND PHASE
POWER-SUPPLY REJECTION RATIO vs FREQUENCY
120
100
80
0
120
110
100
90
CMRR
+PSRR
–30
–60
–90
–120
–150
–180
–210
AOL
80
60
70
–PSRR
40
60
20log (AOL
)
50
20
40
0
30
–20
20
102
103
104
105
106
107
108
109
102
103
104
105
106
107
108
Frequency (Hz)
Frequency (Hz)
CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
4
3
10
1
ZO
RL = 100Ω
OPA846
2
RL = 50Ω
RL = 25Ω
1
453Ω
50Ω
0
0.1
–1
–2
–3
–4
0.01
0.001
–150
–100
–50
0
50
100
150
102
103
104
105
106
107
108
I
O (mA)
Frequency (Hz)
NONINVERTING OVERDRIVE RECOVERY
Input
INVERTING OVERDRIVE RECOVERY
10
1.0
10
8
0.5
Input
G = +10V/V
L = 100Ω
G = –20V/V
L = 100Ω
8
6
0.8
0.4
R
R
0.6
6
0.3
4
0.4
4
0.2
Output
2
0.2
2
0.1
0
0
0
0
–2
–4
–6
–8
–10
–0.2
–0.4
–0.6
–0.8
–1.0
–2
–4
–6
–8
–10
–0.1
–0.2
–0.3
–0.4
–0.5
Output
See Figure 1
See Figure 2
0
50 100 150 200 250 300 350 400 450 500
Time (50ns/div)
0
50 100 150 200 250 300 350 400 450 500
Time (50ns/div)
OPA846
SBOS250C
7
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