OPA860 Datasheet, PDF (6/33 Pages) Burr-Brown (TI) – Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA) and BUFFER

OPA860
SBOS331C – JUNE 2005 – REVISED AUGUST 2008 ....................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V_S = ±5V (continued)
At T_A = +25°C, I_Q = 11.2mA, and R_L = 500Ω, unless otherwise noted. (See Figure 53.)
HARMONIC DISTORTION vs FREQUENCY
−55
G = +2V/V
−60 R_L = 500Ω
V_O = 2V_PP
−65 See Figure 53
−70
2nd−Harmonic
−75
−80
3rd−Harmonic
−85
−90
0.1
1
Frequency (MHz)
Figure 7.
10 20
HARMONIC DISTORTION vs OUTPUT VOLTAGE
−65
G = +2V/V
−70 R_L = 500Ω
f = 5MHz
−75 See Figure 53
−80
2nd−Harmonic
−85
3rd−Harmonic
−90
−95
−100
0.1
1
10
Output Voltage (V_PP)
Figure 9.
HARMONIC DISTORTION vs QUIESCENT CURRENT
−50
−55
−60
2nd−Harmonic
−65
−70
−75 _{G = +2V/V}
−80 ^RL ^{= 500Ω}
V_O = 2V_PP
−85 f = 5MHz
See Figure 53
−90
8.0 8.5 9.0
3rd−Harmonic
9.5 10.0 10.5 11.0 11.5 12.0
I_Q (mA)
Figure 11.
HARMONIC DISTORTION vs OUTPUT RESISTANCE
−50
−55
2nd−Harmonic
−60
−65
3rd−Harmonic
−70
−75 _{G = +2V/V}
V_O = 2V_PP
−80 _{f = 5MHz}
See Figure 53
−85
100
1k
Output Resistance (Ω)
Figure 8.
HARMONIC DISTORTION vs SUPPLY VOLTAGE
−60
G = +2V/V
−65
R_L = 500Ω
V_O = 2V_PP
f = 5MHz
−70
3rd−Harmonic
See Figure 53
−75
−80
2nd−Harmonic
−85
−90
2.0
13
12
11
10
9
8
7
6
5
0.1
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
±Supply Voltage (±V_S)
Figure 10.
QUIESCENT CURRENT vs R_ADJ
+I_Q
− I_Q
1
10
100
1k
10k 100k
R_ADJ (Ω )
Figure 12.
6
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