ADA4939-1 Datasheet, PDF (9/24 Pages) Analog Devices – Ultralow Distortion Differential ADC Driver

ADA4939-1/ADA4939-2
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, +VS = 5 V, −VS = 0 V, VOCM = +VS /2, RG = 200 Ω, RF = 402 Ω, RT = 60.4 Ω, G = 1, RL, dm = 1 kΩ, unless otherwise noted.
Refer to Figure 39 for test setup. Refer to Figure 42 for signal definitions.
2
V_{OUT, dm} = 100mV p-p
0
2
V_{OUT, dm} = 2V p-p
0
–2
–2
–4
–4
–6
–6
–8
–8
–10
–12
G = +2.00
G = +3.16
R_G = 200Ω, R_T = 60.4Ω
R_G = 127Ω, R_T = 66.3Ω
G = +5.00
R_G = 80.6Ω, R_T = 76.8Ω
–14
1
10
100
1k
FREQUENCY (MHz)
Figure 7. Small Signal Frequency Response for Various Gains
–10
–12
G = +2.00
G = +3.16
R_G = 200Ω, R_T = 60.4Ω
R_G = 127Ω, R_T = 66.3Ω
G = +5.00
R_G = 80.6Ω, R_T = 76.8Ω
–14
1
10
100
1k
FREQUENCY (MHz)
Figure 10. Large Signal Frequency Response for Various Gains
3
2 ^{VOUT, dm = 100mV p-p}
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
V_S = 3.3V
V_S = 5.0V
–12
1
10
100
1k
FREQUENCY (MHz)
Figure 8. Small Signal Frequency Response for Various Supplies
2
V_{OUT, dm} = 2V p-p
0
–2
–4
–6
–8
–10
V_S = 3.3V
V_S = 5.0V
–12
1
10
100
1k
FREQUENCY (MHz)
Figure 11. Large Signal Frequency Response for Various Supplies
3
2 ^{VOUT, dm = 100mV p-p}
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–40°C
+25°C
–11
+105°C
–12
1
10
100
1k
FREQUENCY (MHz)
Figure 9. Small Signal Frequency Response for Various Temperatures
3
2 ^{VOUT, dm = 2V p-p}
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–40°C
+25°C
–11
+105°C
–12
1
10
100
1k
FREQUENCY (MHz)
Figure 12. Large Signal Frequency Response for Various Temperatures
Rev. 0 | Page 9 of 24