OPA2830_08 Datasheet, PDF (12/41 Pages) Burr-Brown (TI) – Dual, Low-Power, Single-Supply, Wideband OPERATIONAL AMPLIFIER

OPA2830
SBOS309C – AUGUST 2004 – REVISED MARCH 2006
TYPICAL CHARACTERISTICS: V_S = ±5V (continued)
At T_A = +25°C, G = +2V/V, R_F = 750Ω, and R_L = 150Ω to GND, unless otherwise noted (see Figure 72).
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FREQUENCY RESPONSE vs CAPACITIVE LOAD
8
7
C_L = 10pF
6
C_L = 100pF
5
4
C_L = 1000pF
3
2
1 VI
0
−1
−2
1/2
50Ω OPA2830
750Ω
R_S
CL
V_O
1kΩ(1)
750Ω
NOTE: (1) 1kΩ is optional.
−3
1
10
100 200
Frequency (MHz)
Figure 13.
RECOMMENDED R_S vs CAPACITIVE LOAD
120
110
0dB Peaking Targeted
100
90
80
70
60
50
40
30
20
10
1
10
100
1k
Capacitive Load (pF)
Figure 14.
6
5
4
3
2
1
0
−1
−2
−3
−4
−5
−6
10
OUTPUT SWING vs LOAD RESISTANCE
G = +5V/V
V_S = ±5V
100
1k
Resistance (Ω )
Figure 15.
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
6
1W In ternal
5 _{Power Lim it}
4
3
R_L = 500Ω
2
1
0
−1
−2
−3
−4 ^Output
Current Limit
−5 _{One Channel Only}
−6
−160 −120 −80 −40 0
Output
Current Lim it
R_L = 50Ω
R_L = 100Ω
1W Internal
Power Limit
40 80 120 160
I_O (mA)
Figure 16.
12
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