Datasheet

AD8331/AD8332/AD8334
Rev. G | Page 12 of 56
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
S
= 5 V, R
L
= 500 Ω, R
S
= R
IN
= 50 Ω, R
IZ
= 280 Ω, C
SH
= 22 pF, f = 10 MHz, R
CLMP
= ∞, C
L
= 1 pF, VCM pin floating,
−4.5 dB to +43.5 dB gain (HILO = LO), and differential output voltage, unless otherwise specified.
60
50
40
30
20
10
0
–10
0 0.2 0.4 0.6 0.8 1.0 1.1
GAIN (dB)
V
GAIN
(V)
03199-007
HILO = HI
HILO = LO
ASCENDING GAIN MODE
DESCENDING GAIN MODE
(WHERE AVAILABLE)
Figure 7. Gain vs. V
GAIN
and MODE (MODE Available on RU Package)
2.0
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
0 0.2 0.4 0.6 0.8 1.0 1.1
GAIN ERROR (dB)
V
GAIN
(V)
03199-008
+25°C
–40°C
+85°C
Figure 8. Absolute Gain Error vs. V
GAIN
at Three Temperatures
2.0
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
0 0.2 0.4 0.6 0.8 1.0 1.1
GAIN ERROR (dB)
V
GAIN
(V)
03199-009
1MHz
30MHz
10MHz
70MHz
50MHz
Figure 9. Absolute Gain Error vs. V
GAIN
at Various Frequencies
50
40
30
20
10
0
–0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0.4 0.5
PERCENT OF UNITS (%)
GAIN ERROR (dB)
03199-010
SAMPLE SIZE = 80 UNITS
V
GAIN
= 0.5V
Figure 10. Gain Error Histogram
03199-011
25
V
GAIN
= 0.7V
0
5
15
20
25
10
0
5
10
20
15
–0.17 –0.15 –0.13 –0.11 –0.09 –0.07 –0.05 –0.03 –0.01
0.01 0.03 0.05 0.07 0.09 0.11 0.13 0.15 0.17 0.19 0.21
PERCENT OF UNITS (%)
CHANNEL TO CHANNEL GAIN MATCH (dB)
SAMPLE SIZE = 50 UNITS
V
GAIN
= 0.2V
Figure 11. Gain Match Histogram for V
GAIN
= 0.2 V and 0.7 V
50
40
30
20
10
0
–20
–10
100k 1M 10M 100M 500M
GAIN (dB)
FREQUENCY (Hz)
03199-012
V
GAIN
= 1V
V
GAIN
= 0.8V
V
GAIN
= 0.6V
V
GAIN
= 0.4V
V
GAIN
= 0.2V
V
GAIN
= 0V
Figure 12. Frequency Response for Various Values of V
GAIN