THS3217 Datasheet, PDF (18/73 Pages) Texas Instruments – THS3217 DC to 800-MHz, Differential-to-Single-Ended, DAC Output Amplifier

THS3217
SBOS766B – FEBRUARY 2016 – REVISED FEBRUARY 2016
www.ti.com
Typical Characteristics: OPS only (continued)
at +V_CC = 6.0 V, –V_CC = –6.0 V, 25-Ω D2S source impedance, V_REF = GND, R_F = 249 Ω, R_G = 162 Ω, OPS A_V = 2.5V/V, OPS
R_LOAD = 100 Ω at pin 11, OPS enabled (DISABLE = GND), and external input path selected (PATHSEL = +V_CC) (unless
otherwise noted)
40
2
A_V = 2.5 V/V
35
A_V = 5 V/V
1
A_V = 10 V/V
30
0
25
-1
0 pF
20
-2
4.7 pF
10 pF
15
-3
22 pF
47 pF
10
-4
100 pF
220 pF
5
-5
470 pF
0
1
10
100
1k
Load Capacitance (pF)
D043
See Table 7 for R_F values vs OPS gain
-6
1M
10M
100M
1G
Frequency (Hz)
D044
V_OUT = 500 mV_PP, see Figure 43 for R_S value
Figure 43. Series Output Resistance vs Load Capacitance
-20
50 pF
-30
100 pF
200 pF
300 pF
-40
-50
-60
-70
-80
-90
1M
10M
20M
Frequency (Hz)
D045
R_F = 205 Ω, A_V = 5 V/V, V_OUT = 10 V_PP, see Figure 43 for R_S
value
Figure 44. Frequency Response vs Load Capacitance
-30
50 pF
-40
100 pF
200 pF
-50
300 pF
-60
-70
-80
-90
-100
-110
-120
1M
10M
20M
Frequency (Hz)
D046
R_F = 205 Ω, A_V = 5 V/V, V_OUT = 10 V_PP, see Figure 43 for R_S
value
Figure 45. HD2 vs Load Capacitance
8
2 V_PP
6
10 V_PP
Figure 46. HD3 vs Load Capacitance
8
2 V_PP
6
10 V_PP
4
4
2
2
0
0
-2
-2
-4
-4
-6
-6
-8
Time (25 ns/div.)
D047
C_LOAD = 200 pF, R_F = 205 Ω, A_V = 5 V/V, see Figure 43 for R_S
value
-8
Time (25 ns/div)
D048
C_LOAD = 300 pF, R_F = 205 Ω, A_V = 5 V/V, see Figure 43 for R_S
value.
Figure 47. Pulse Response
Figure 48. Pulse Response
18
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