LMH6555_14 Datasheet, PDF (7/37 Pages) Texas Instruments – LMH6555 Low Distortion 1.2 GHz Differential Driver

LMH6555
www.ti.com
SNOSAJ1C – NOVEMBER 2006 – REVISED MARCH 2011
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified, R_S1 = R_S2 = 50Ω, V_S = 3.3V, R_L = 100Ω differential, V_OUT = 0.8 V_PP. See DEFINITION OF TERMS
AND SPECIFICATIONS (ALPHABETICAL ORDER) for definition of terms used throughout the datasheet.
4
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
10
Frequency Response
50
GAIN ₀
PHASE
-50
-100
-150
-200
-250
-300
-350
-400
-450
-500
-550
100
1000
FREQUENCY (MHz)
Figure 3.
±0.5 dB Gain Flatness
1.5
1
+0.5 dB
0.5
0
-0.5
-0.5 dB
-1
-1.5
10
100
1000
FREQUENCY (MHz)
Figure 4.
Linear Phase Deviation & Group Delay
15
0.9
10
0.8
GROUP DELAY
5
0.7
0
0.6
-5
0.5
LINEAR PHASE DEVIATION
-10
0.4
-15
0.3
-20
0.2
-25
0.1
-30
1
10
100
FREQUENCY (MHz)
Figure 5.
0
1000
Bal_Error
vs.
Frequency
0
-10
PHASE
-20
-30
-40
-50
-60
GAIN
-70
1
10
100
1000
FREQUENCY (MHz)
Figure 6.
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
10000
−1 dB Compression
vs.
Frequency
6
5
4
3
Step Response (V_OUT+)
OUTPUT
(100 mV/DIV)
2
1
0
0 dBm = 894 mV_PP
-1
10
100
FREQUENCY (MHz)
Figure 7.
1000
INPUT
(50 mV/DIV)
0 1 2 3 4 5 6 7 8 9 10
TIME (ns)
Figure 8.
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