Datasheet

Data Sheet ADA4312-1
Rev. 0 | Page 7 of 12
11044-018
100k
1
10
100
1k
10k
0.1 100101
OUTPUT IMPEDANCE (Ω)
FREQUENCY (MHz)
R
G
R
F
R
F
V
MID
50Ω
50Ω
Z
OUT
Figure 10. Open-Loop Disabled Differential Output Impedance vs. Frequency
11044-010
14
13
12
11
10
9
8
7
6
5
4
3
2
3.5
1.5
–0.5
–2.5
–2.0
2.5
0.5
–1.5
2.0
0
3.0
1.0
–1.0
–1.5 3.53.02.52.01.51.00.50–0.5–1.0
OUTPUT AMPLITUDE (V)
SD AMPLITUDE (V)
TIME (µs)
SD
OUTA
OUTB
Figure 11. Shutdown Enable/Disable with Differential OFDM Input
11044-009
3.5
1.5
–0.5
–2.5
2.5
0.5
–1.5
1.25
0.75
0.25
–0.25
1.00
0.50
0
1.8 1.9 2.0 2.1 2.2 2.3 2.4
GLITCH AMPLITUDE (V)
SD AMPLITUDE (V)
TIME (µs)
SD
AVERAGE GLITCH
Figure 12. Differential Output Enable Glitch, Normalized to 0 V
0
10
20
30
40
50
60
70
0 1000 2000 3000 4000 5000 6000 7000 8000
SUPPLY CURRENT (mA)
R
IADJ
(Ω)
DRIVING 16dBm
INTO 40Ω
QUIESCENT
11044-109
Figure 13. Supply Current vs. I
ADJ
Resistance (R
IADJ
)
11044-008
3.5
1.5
–0.5
–2.5
2.5
0.5
–1.5
–0.25
0
0.25
0.50
0.75
1.00
1.25
–1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
GLITCH AMPLITUDE (V)
SD AMPLITUDE (V)
TIME (µs)
SD
AVERAGE GLITCH
Figure 14. Shutdown Enable/Disable Glitch, Normalized to 0 V,
Differential Input = 0 V
11044-007
3.5
1.5
–0.5
–2.5
2.5
0.5
–1.5
1.25
0.75
0.25
–0.25
1.00
0.50
0
–2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0
GLITCH AMPLITUDE (V)
SD AMPLITUDE (V)
TIME (µs)
SD
AVERAGE GLITCH
Figure 15. Differential Output Disable Glitch, Normalized to 0 V