Data Sheet
AD8432
Rev. C | Page 7 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
VS = 5 V, TA = 25°C, RS = RIN = 50 , RFB =150 Ω, CSH = 47 pF, RSH = 15 Ω, RL =500 (per SE output), CL = 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
G
AI
N
(
d
B)
FREQUENCY (MHz)
G = 24.08dB
G = 21.58dB
G = 18.06dB
G = 12.04dB
Figure 3. Small Signal Differential Gain vs. Frequency, RIN Unterminated
–12
–9
–6
–3
0
12
24
1
10
100
500
G
AI
N
(
d
B)
FREQUENCY (MHz)
RIN UNTERMINATED
RIN = 200
RIN = 100
RIN = 50
08341-
004
3
6
9
15
18
21
Figure 4. Small Signal Frequency Response vs. RIN, G = 12.04 dB
–24
–18
–12
–6
0
6
12
18
24
1
10
100
1k
G
AI
N
(
d
B)
FREQUENCY (MHz)
RIN UNTERMINATED
RIN = 200
RIN = 100
RIN = 50
08341-
055
Figure 5. Small Signal Frequency Response vs. RIN, G = 18.06 dB
–24
–18
–12
–6
0
6
12
18
24
1
10
100
1k
G
AI
N
(
d
B)
FREQUENCY (MHz)
RIN UNTERMINATED
RIN = 200
RIN = 100
RIN = 50
08341-
056
Figure 6. Small Signal Frequency Response vs. RIN, G = 21.58 dB
08341-
057
–18
–24
–12
–6
0
6
12
18
24
30
1
10
100
1k
G
AI
N
(
d
B)
FREQUENCY (MHz)
RIN UNTERMINATED
RIN = 200
RIN = 100
RIN = 50
Figure 7. Small Signal Frequency Response vs. RIN, G = 24.08 dB
–18
–24
–12
–6
0
6
12
18
24
30
1
10
100
1k
G
AI
N
(
d
B)
FREQUENCY (MHz)
08341-
058
G = 24.08dB
G = 21.58dB
G = 18.06dB
G = 12.04dB
Figure 8. Differential Gain vs. Frequency, VOUT = 1 V p-p, RIN = 50 Ω