Datasheet

Data Sheet AD8432
Rev. C | Page 7 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
V
S
= 5 V, T
A
= 25°C, R
S
= R
IN
= 50 Ω, R
FB
=150 Ω, C
SH
= 47 pF, R
SH
= 15 Ω, R
L
=500 Ω (per SE output), C
L
= 5 pF (per SE output),
G = 12.04 dB (single-ended input to differential output), f = 1 MHz, unless otherwise specified.
08341-003
–30
–24
–12
0
12
6
–6
18
–18
30
24
1 10 100 1k
GAIN (dB)
FREQUENCY (MHz)
G = 24.08dB
G = 21.58dB
G = 18.06dB
G = 12.04dB
Figure 3. Small Signal Differential Gain vs. Frequency, R
IN
Unterminated
–12
–9
–6
–3
0
12
24
1 10 100 500
GAIN (dB)
FREQUENCY (MHz)
R
IN
UNTERMINATED
R
IN
= 200Ω
R
IN
= 100Ω
R
IN
= 50Ω
08341-004
3
6
9
15
18
21
Figure 4. Small Signal Frequency Response vs. R
IN
, G = 12.04 dB
–24
–18
–12
–6
0
6
12
18
24
1 10 100 1k
GAIN (dB)
FREQUENCY (MHz)
R
IN
UNTERMINATED
R
IN
= 200Ω
R
IN
= 100Ω
R
IN
= 50Ω
08341-055
Figure 5. Small Signal Frequency Response vs. R
IN
, G = 18.06 dB
–24
–18
–12
–6
0
6
12
18
24
1 10 100 1k
GAIN (dB)
FREQUENCY (MHz)
R
IN
UNTERMINATED
R
IN
= 200Ω
R
IN
= 100Ω
R
IN
= 50Ω
08341-056
Figure 6. Small Signal Frequency Response vs. R
IN
, G = 21.58 dB
08341-057
–18
–24
–12
–6
0
6
12
18
24
30
1 10 100 1k
GAIN (dB)
FREQUENCY (MHz)
R
IN
UNTERMINATED
R
IN
= 200Ω
R
IN
= 100Ω
R
IN
= 50Ω
Figure 7. Small Signal Frequency Response vs. R
IN
, G = 24.08 dB
–18
–24
–12
–6
0
6
12
18
24
30
1 10 100 1k
GAIN (dB)
FREQUENCY (MHz)
08341-058
G = 24.08dB
G = 21.58dB
G = 18.06dB
G = 12.04dB
Figure 8. Differential Gain vs. Frequency, V
OUT
= 1 V p-p, R
IN
= 50 Ω