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OPA2832 Datasheet, PDF (19/37 Pages) National Semiconductor (TI) – Dual, Low-Power, High-Speed, Fixed-Gain Operational Amplifier | |||
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OPA2832
www.ti.com ............................................................................................................................................. SBOS327C â FEBRUARY 2005 â REVISED AUGUST 2008
TYPICAL CHARACTERISTICS: VS = +3.3V (Differential)
At TA = +25°C, Differential Gain = +2V/V, and RL = 500â¦, unless otherwise noted.
DIFFERENTIAL PERFORMANCE TEST CIRCUIT
+3.3V
400â¦
1/2
OPA2832
400â¦
VI
400â¦
400â¦
1/2
OPA2832
RL VO
Figure 55.
LARGE-SIGNAL FREQUENCY RESPONSE
9
6
3
SMALL-SIGNAL FREQUENCY RESPONSE
9
6
3
0
â3
G = +2V/V
â6 VO = 0.2VPP
RL = 500â¦
â9
1
10
Frequency (MHz)
100
300
Figure 56.
HARMONIC DISTORTION vs FREQUENCY
â50
G = +2V/V
â60
RL = 500â¦
VO = 1VPP
2ndâHarmonic
â70
0
â80
â3
G = +2V/V
â6 RL = 500â¦
VO = 2VPP
â9
1
10
100
300
Frequency (MHz)
Figure 57.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
â30
G = +2V/V
â40 RL = 500â¦
f = 1MHz
â50
3rdâHarmonic
â60
â70
â80
â90 2ndâHarmonic
â100
Input Limited
â110
1
10
Output Voltage (VPP)
Figure 59.
â90
â100
â110
0.1
3rdâHarmonic
1
10
100
Frequency (MHz)
Figure 58.
HARMONIC DISTORTION vs LOAD RESISTANCE
â60
G = +2V/V
â70
VO = 1VPP
f = 1MHz
â80
2ndâHarmonic
â90
â100
â110
3rdâHarmonic
â120
100
1k
Load Resistance (⦠)
Figure 60.
Copyright © 2005â2008, Texas Instruments Incorporated
Product Folder Link(s): OPA2832
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