OPA4830 Datasheet, PDF (11/45 Pages) National Semiconductor (TI) – Quad, Low-Power, Single-Supply, Wideband Operational Amplifier

OPA4830
www.ti.com.................................................................................................................................................... SBOS350A – DECEMBER 2006 – REVISED MAY 2008
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 74).
FREQUENCY RESPONSE vs CAPACITIVE LOAD
8
7
C_L = 10pF
6
C_L = 100pF
5
4
C_L = 1000pF
3
2
1 V_I
0
-1
-2
1/4
50W OPA4830
750W
R_S
C_L
V_O
1kW⁽¹⁾
750W
NOTE: (1) 1kW is optional.
-3
1
10
100 200
Frequency (MHz)
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 (W)
Figure 16.
RECOMMENDED R_S vs CAPACITIVE LOAD
120
110
0.1dB Peaking Targeted
100
90
80
70
60
50
40
30
20
10
1
10
100
1k
Capacitive Load (pF)
Figure 15.
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
6
1W Internal Power Limit, One Channel Only
5
4
Output
Current Limit
3
R_L = 500W
2
1
0
R_L = 50W
R_L = 100W
-1
-2
-3
-4
Output
Current Limit
-5
-6
-160 -120 -80 -40 0
1W Internal
Power Limit
40 80 120 160
I_O (mA)
Figure 17.
Copyright © 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): OPA4830
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