BUF602IDBVTG4 Datasheet, PDF (11/27 Pages) Texas Instruments – High-Speed, Closed-Loop Buffer

BUF602
www.ti.com ...................................................................................................................................................... SBOS339B – OCTOBER 2005 – REVISED MAY 2008
TYPICAL CHARACTERISTICS: V_S = +5V
At T_A = +25°C and R_L = 100Ω to V_S/2, unless otherwise noted.
BUFFER BANDWIDTH vs OUTPUT VOLTAGE
3
R_L = 100Ω
0
V_O = 0.5V_PP
−3
V_O = 2V_PP
−6
V_O = 3V_PP
V_O = 0.2V_PP
−9
−12
V_O = 1V_PP
−15
−18
1M
10M
100M
Frequency (Hz)
Figure 19.
1G 2G
BUFFER GAIN FLATNESS
0.5
0.4
V_OUT = 0.5V_PP
R_L = 100Ω
0.3
0.2
0.1
0
−0.1
−0.2
−0.3
−0.4
−0.5
1
10
100
500
Frequency (MHz)
Figure 21.
BUFFER PULSE RESPONSE
2.8
4.3
2.7
3.7
2.6
3.1
Small−Signal
2.5
2.55V_DC ± 0.1V
Left Scale
Large−Signal
2.5V_DC ± 1.5V
2.5
Right Scale
2.4
1.9
2.3
1.3
R_L = 100Ω
f = 40MHz
2.2
0.7
Time (2ns/div)
Figure 23.
HARMONIC DISTORTION vs FREQUENCY
−40
−45
R_L = 500Ω
V_O = 2V_PP
−50
−55
−60
−65
−70
2nd−Harmonic
−75
−80
3rd−Harmonic
−85
−90
1
10
100
Frequency (MHz)
Figure 20.
5MHz HARMONIC DISTORTION vs LOAD RESISTANCE
−60
−65
2nd−Harmonic
−70
−75
−80
3rd−Harmonic
−85
f = 5MHz
−90 ^{VO = 2VPP}
100
1k
Load Resistance (Ω )
Figure 22.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
−40 _{f = 5MHz}
−50 ^{RL = 500Ω}
−60
−70
2nd−Harmonic
−80
3rd−Harmonic
−90
−100
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Output Voltage (V_PP)
Figure 24.
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