OPA2832 Datasheet, PDF (19/37 Pages) National Semiconductor (TI) – Dual, Low-Power, High-Speed, Fixed-Gain Operational Amplifier

OPA2832
www.ti.com ............................................................................................................................................. SBOS327C – FEBRUARY 2005 – REVISED AUGUST 2008
TYPICAL CHARACTERISTICS: V_S = +3.3V (Differential)
At T_A = +25°C, Differential Gain = +2V/V, and R_L = 500Ω, unless otherwise noted.
DIFFERENTIAL PERFORMANCE TEST CIRCUIT
+3.3V
400Ω
1/2
OPA2832
400Ω
V_I
400Ω
400Ω
1/2
OPA2832
R_L V_O
Figure 55.
LARGE-SIGNAL FREQUENCY RESPONSE
9
6
3
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 56.
HARMONIC DISTORTION vs FREQUENCY
−50
G = +2V/V
−60
R_L = 500Ω
V_O = 1V_PP
2nd−Harmonic
−70
0
−80
−3
G = +2V/V
−6 _{RL = 500Ω}
V_O = 2V_PP
−9
1
10
100
300
Frequency (MHz)
Figure 57.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
−30
G = +2V/V
−40 R_L = 500Ω
f = 1MHz
−50
3rd−Harmonic
−60
−70
−80
−90 _{2nd−Harmonic}
−100
Input Limited
−110
1
10
Output Voltage (V_PP)
Figure 59.
−90
−100
−110
0.1
3rd−Harmonic
1
10
100
Frequency (MHz)
Figure 58.
HARMONIC DISTORTION vs LOAD RESISTANCE
−60
G = +2V/V
−70
V_O = 1V_PP
f = 1MHz
−80
2nd−Harmonic
−90
−100
−110
3rd−Harmonic
−120
100
1k
Load Resistance (Ω )
Figure 60.
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Product Folder Link(s): OPA2832
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