OPA2832 Datasheet, PDF (16/37 Pages) National Semiconductor (TI) – Dual, Low-Power, High-Speed, Fixed-Gain Operational Amplifier

OPA2832
SBOS327C – FEBRUARY 2005 – REVISED AUGUST 2008 ............................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS: V_S = +5V (Differential)
At T_A = +25°C, Differential Gain = +2V/V, and R_L = 500Ω, unless otherwise noted.
DIFFERENTIAL PERFORMANCE TEST CIRCUIT
+5V
400Ω
1/2
OPA 283 2
400Ω
V_I
400Ω
400Ω
1/2
OPA 283 2
R_L V_O
Figure 38.
LARGE-SIGNAL FREQUENCY RESPONSE
9
6
3
0
SMALL-SIGNAL FREQUENCY RESPONSE
9
6
3
0
−3
G = +2V/V
−6 _{VO = 0.2VPP}
R_L = 500Ω
−9
1
10
Frequency (MHz)
100
300
Figure 39.
HARMONIC DISTORTION vs FREQUENCY
−50
G = +2V/V
−60
R_L = 500Ω
V_O = 2V_PP
−70
3rd−Harmonic
−80
−3
G = +2V/V
−6 _{VO = 4VPP}
R_L = 500Ω
−9
1
10
100
300
Frequency (MHz)
Figure 40.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
−40
G = +2V/V
−50 ^RL ^{= 500Ω}
f = 1MHz
−60
−70
−80
−90
−100
−110
1
2nd−Harmonic
3rd−Harmonic
10
Output Voltage (V_PP)
Figure 42.
−90
−100
2nd−Harmonic
−110
0.1
1
10
100
Frequency (MHz)
Figure 41.
HARMONIC DISTORTION vs LOAD RESISTANCE
−70
G = +2V/V
V_O = 2V_PP
f = 1MHz
−80
−90
−100
3rd−Harmonic
2nd−Harmonic
−110
100
1k
Load Resistance (Ω )
Figure 43.
16
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