THS770006 Datasheet, PDF (11/39 Pages) National Semiconductor (TI) – Broadband, Fully-Differential, 14-/16-Bit ADC DRIVER AMPLIFIER

THS770006
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SBOS520B – JULY 2010 – REVISED JANUARY 2012
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, V_S+ = +5V, V_OCM = +2.5V, V_OUT = 2V_PP, R_L = 400Ω differential, G = +6dB, differential input and output, and
input and output pins referenced to midsupply, unless otherwise noted. Measured using EVM as discussed in Test Circuits
section.
DIFFERENTIAL OUTPUT IMPEDANCE
vs FREQUENCY
s-PARAMETERS
(MAGNITUDE)
1k
20
0
s22
100
10
1
1M
10M
100M
1G
10G
Frequency (Hz)
Figure 19.
-20
s11
-40
-60
s12
-80
-100
1M
10M
100M
1G
10G
Frequency (Hz)
Figure 20.
FREQUENCY RESPONSE
vs CAPACITIVE LOAD
9
RECOMMENDED R_O
vs CAPACITIVE LOAD
1k
6
100
3
0
C_L = 10pF, R_O = 35W
C_L = 24pF, R_O = 18.7W
-3
C_L = 44pF, R_O = 13W
C_L = 94pF, R_O = 8.2W
C_L = 660pF, R_O = 0.7W
-6
10M
100M
1G
10G
Frequency (Hz)
Figure 21.
COMMON-MODE REJECTION RATIO
vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
1M
10M
100M
1G
Frequency (Hz)
Figure 23.
10
1
1
10
100
1k
Capacitive Load (pF)
Figure 22.
POWER-SUPPLY REJECTION RATIO
vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
10k
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 24.
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