ISL55211_14 Datasheet, PDF (6/20 Pages) Intersil Corporation – Wideband, Low Noise, Low Distortion, Fixed Gain Differential Amplifier

ISL55211
Typical Performance Curves V_s+ = 3.3V, T_A ≈ +25°C, unless otherwise noted.
3
2
1
Av = 2
0
-1
-2
-3
Av = 5
-4
-5
Av = 4
-6
TEST CIRCUIT #1
-7
V_O = 500mV_P-P
-8
-9
10M
100M
1G
FREQUENCY (Hz)
3
2
1
0
-1
-2
-3
-4
-5
-6
TEST CIRCUIT #1
-7
V_O = 500mV_P-P
-8
-9
10M
Av = 5
100M
FREQUENCY (Hz)
Av = 2
Av = 4
1G
FIGURE 3. SMALL SIGNAL FREQUENCY RESPONSE WITH ADT2-1T
INPUT TRANSFORMER
FIGURE 4. SMALL SIGNAL FREQUENCY RESPONSE WITH
ADT4-1WT INPUT TRANSFORMER
3
2
1
Av = 2
0
-1
-2
-3
-4
Av = 5
-5
Av = 4
-6
-7 _{TEST CIRCUIT #1}
-8 V_O(P-P) = 3V_P-P
-9
10M
100M
1G
FREQUENCY (Hz)
FIGURE 5. LARGE SIGNAL FREQUENCY RESPONSE WITH ADT2-1T
INPUT TRANSFORMER
3
2
1
Av = 2
0
-1
-2
-3
Av = 5
-4
-5
-6
-7 _{TEST CIRCUIT #1}
-8 V_O(P-P) = 3V_P-P
Av = 4
-9
10M
100M
1G
FREQUENCY (Hz)
FIGURE 6. LARGE SIGNAL FREQUENCY RESPONSE WITH
ADT4-1WT INPUT TRANSFORMER
25
GAIN = 9dB
20
15
10
GAIN = 17dB
GAIN = 15dB
5
TEST CIRCUIT #1
0
50 100 150 200 250 300 350 400 450 500
FREQUENCY (MHz)
FIGURE 7. NOISE FIGURE WITH ADT2-1T INPUT TRANSFORMER
20
18
GAIN = 12dB
16
14
12
10
8
6
GAIN = 18dB
GAIN = 20dB
4
2
TEST CIRCUIT #1
0
50 100 150 200 250 300 350 400 450 500
FREQUENCY (MHz)
FIGURE 8. NOISE FIGURE WITH ADT4-1WT INPUT TRANSFORMER
6
FN7868.0
June 21, 2011