ISL55210 Datasheet, PDF (6/18 Pages) Intersil Corporation – Wideband, Low-Power, Ultra-High Dynamic Range Differential Amplifier

ISL55210
Typical Performance Curves V_S+ = 3.3V, T_A ≈ +25°C, unless otherwise noted.
6
18
3
15dB
V_O = 3V_P-P
SLEW LIMITING
0
15
21dB
-3
INPUT TRANSFORMER
-6
12
-9
27dB
-12
9
V_O = 1V_P-P
+2V_P-P
-15
33dB
-18
6
-21 TEST CIRCUIT #1, R_L = 200Ω,
V_O = 500mV_P-P DIFFERENTIAL
-2410₇
10⁸
10⁹
FREQUENCY (Hz)
FIGURE 2. FREQUENCY RESPONSE vs GAIN SETTING
TEST CIRCUIT #1
3
10⁶
10⁷
10⁸
10⁹
FREQUENCY (Hz)
FIGURE 3. FREQUENCY RESPONSE vs OUTPUT SWING
-65
-75
-85
-95
-105
-115
-125
50
IM2 15dB GAIN
IM2 21dB GAIN
IM3 15dB GAIN
IM3 21dB GAIN
TEST CIRCUIT #1,
R_L = 200Ω, VO_P-P = 1V_P-P EACH TONE
100
150
200
250
TEST FREQUENCIES CENTER (MHz)
FIGURE 4. IM2 AND IM3 vs GAIN
6.0
5.5
R_L = 200Ω
5.0
R_L = 100Ω
4.5
R_L = 50Ω
4.0
3.5
TEST CIRCUIT #1
3.0
50
100
150
200
250
FREQUENCY (MHz)
FIGURE 5. OUTPUT V_P-P FOR -1dB GAIN COMPRESSION
12
12
11
11
GAIN = 15dB
10
10
9
9
GAIN = 21dB
8
8
GAIN = 18dB
GAIN = 24dB
7
7 TEST CIRCUIT #1 WITH ADT4-1T
INPUT AND R_G = 100Ω, R_F = 400Ω
TEST CIRCUIT #1
6
6
50
200
350
500
50
200
350
500
FREQUENCY (MHz)
FREQUENCY (MHz)
FIGURE 6. NOISE FIGURE
FIGURE 7. NOISE FIGURE AT HIGHER GAINS
6
FN7811.0
March 2, 2011