LT5524 데이터 시트보기 (PDF) - Linear Technology
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LT5524 Datasheet PDF : 16 Pages
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LT5524
TYPICAL PERFOR A CE CHARACTERISTICS Two tones, 200kHz spacing, TA = 25°C, EN = 3V,
VCC = 5V, VCCO = 5V, control input levels VIL = 0.6V, VIH = 3V unless otherwise noted. (Test circuit shown in Figure 10)
Noise Figure vs Frequency
10.0
9.5
1.5dB ATTENUATION STEP
9.0
(PGA0 = LOW)
8.5
MAX GAIN
8.0
3dB ATTENUATION STEP
(PGA1 = LOW)
7.5
7.0
0
50 100 150 200 250 300 350 400
FREQUENCY (MHz)
5524 G09
Pulse Response vs Output Level at
Max Gain. Indicated Voltage Levels
are into 50Ω External Load
COUT = 0.82pF
INPUTS
2VP-P
1.5VP-P
1VP-P
NF vs Attenuation Step at
Freq = 100MHz
30
27
24
21
18
15
12
9
6
3
0
0 3 6 9 12 15 18 21
ATTENUATION STEP (dB)
5524 G10
Single-Ended Output Current
vs Attenuation Step
21.0
20.5
20.0
85°C
25°C
19.5
–40°C
Output Noise Floor vs Attenuation
Step, Freq = 100MHz, ROUT = 200Ω
–136
–137
–138
PGA1 = HIGH
–139
–140
PGA1 = LOW
–141
–142
0
3 6 9 12 15 18 21
ATTENUATION STEP (dB)
5524 G11
VIN(BIAS) vs Attenuation Step
1.60
1.55
1.50
–40°C
25°C
1.45
85°C
6
2ns/DIV
5524 G12
19.0
0
3 6 9 12 15 18 21
ATTENUATION STEP (dB)
5524 G13
1.40
0
3 6 9 12 15 18 21
ATTENUATION STEP (dB)
5524 G14
Total ICC vs Attenuation Step
80
ICC Shutdown Current vs VCC,
EN = 0.6V
70
78
85°C
75
25°C
73
–40°C
70
68
60
85°C
50
25°C
40
30
–40°C
20
10
65
0
3 6 9 12 15 18 21
ATTENUATION STEP (dB)
5524 G15
0
4.5 4.7 4.9 5.1 5.3 5.5
INPUT VCC (V)
5524 G16
5524f
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