Datasheet

Data Sheet AD8335
Rev. B | Page 7 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
V
S
= 5 V, T
A
= 25°C, R
L
= 500 Ω, f = 5 MHz, C
L
= 10 pF, low gain range (−10 dB to +38 dB), R
FB
= 249 Ω (PrA R
IN
= 50 Ω) and signal
voltage specified differential, per channel performance, unless otherwise noted.
–20
–10
0
10
20
30
40
50
GAIN (dB)
1.0 1.50 0.5 2.0 2.5 3.0
V
GAIN
(V)
04976-002
LOW GAIN
HIGH GAIN
+85°C
+25°C
–40°C
Figure 3. Gain vs. V
GAIN
at Three Temperatures (See Figure 49)
–2.0
–1.5
–1.0
–0.5
0
0.5
GAIN ERROR (dB)
1.0
1.5
2.0
1.0 1.50 0.5 2.0 2.5 3.0
V
GAIN
(V)
04976-003
+85°C, LOW GAIN
+85°C, HIGH GAIN
+25°C, LOW GAIN
+25°C, HIGH GAIN
–40°C, LOW GAIN
–40°C, HIGH GAIN
Figure 4. Gain Error vs. V
GAIN
at Three Temperatures (See Figure 49)
–6.0
–4.0
–2.0
0
2.0
GAIN ERROR (dB)
4.0
6.0
1.0 1.50 0.5 2.0 2.5 3.0
V
GAIN
(V)
04976-004
1MHz
5MHz
10MHz
20MHz
Figure 5. Gain Error vs. V
GAIN
at Various Frequencies (See Figure 49)
0
2
4
6
8
10
12
14
16
18
20
–0.6 –0.5 –0.4 –0.3 –0.2 0 0.4–0.1 0.1 0.2 0.3 0.5 0.6
% OF UNITS
GAIN ERROR (dB)
04976-005
420 CHANNELS
(105 UNITS)
V
GAIN
= 1.5V
Figure 6. Gain Error Histogram
% OF UNITS
CHANNEL-TO-CHANNEL GAIN MATCH (dB)
04976-006
–1.0 –0.9 –0.8 –0.7 –0.6 –0.5 –0.4 –0.3 –0.2 –0.1
0
0.1
0.2
0.3 0.4 0.5 0.6 0.7 0.8
0.9
1.0
–1.0 –0.9 –0.8 –0.7 –0.6 –0.5 –0.4 –0.3 –0.2 –0.1
0
0.1
0.2
0.3 0.4 0.5 0.6 0.7 0.8
0.9
1.0
0
5
10
15
20
25
0
5
10
15
20
25
420 CHANNELS
(105 UNITS)
V
GAIN
= 1.0V
V
GAIN
= 2.0V
CH1 TO CH2
CH1 TO CH4
CH1 TO CH3
Figure 7. Gain Match Histogram for V
GAIN
= 1 V and 2 V
0
5
10
15
20
25
30
35
40
45
%TOTAL
GAIN SCALING FACTOR
04976-007
20.419.9 20.0 20.1 20.2 20.3
420 CHANNELS
(105 UNITS)
0.5V < V
GAIN
< 2.5V
Figure 8. Gain Scaling Factor Histogram for 0.5 V < V
GAIN
< 2.5 V