lt5524 Linear Technology Corporation, lt5524 Datasheet - Page 6
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lt5524
Manufacturer Part Number
lt5524
Description
Low Distortion If Amplifier/adc Driver With Digitally Controlled Gain
Manufacturer
Linear Technology Corporation
Datasheet
1.LT5524.pdf
(16 pages)
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Manufacturer:
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Manufacturer:
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LT5524
V
TYPICAL PERFOR A CE CHARACTERISTICS
6
CC
10.0
9.0
8.5
7.5
7.0
9.5
8.0
= 5V, V
0
Noise Figure vs Frequency
Pulse Response vs Output Level at
Max Gain. Indicated Voltage Levels
are into 50Ω External Load
3dB ATTENUATION STEP
C
INPUTS
OUT
50
(PGA1 = LOW)
CCO
= 0.82pF
100
= 5V, control input levels V
FREQUENCY (MHz)
150
1.5dB ATTENUATION STEP
2ns/DIV
200
(PGA0 = LOW)
80
78
75
73
70
68
65
MAX GAIN
250
0
Total I
300
2V
1.5V
1V
3
W
P-P
P-P
CC
P-P
ATTENUATION STEP (dB)
350
6
5524 G12
vs Attenuation Step
5524 G09
U
400
9
–40°C
25°C
85°C
IL
= 0.6V, V
12
21.0
20.5
20.0
19.5
19.0
15
30
27
24
21
18
15
12
9
6
3
0
0
NF vs Attenuation Step at
Freq = 100MHz
Single-Ended Output Current
vs Attenuation Step
0
18
IH
= 3V unless otherwise noted. (Test circuit shown in Figure 10)
3
3
5524 G15
21
ATTENUATION STEP (dB)
ATTENUATION STEP (dB)
6
6
9
9
–40°C
85°C
25°C
12
12
15
15
70
40
30
10
60
50
20
0
4.5
I
EN = 0.6V
18
18
CC
Two tones, 200kHz spacing, T
Shutdown Current vs V
5524 G10
5524 G13
21
21
4.7
INPUT V
4.9
–40°C
25°C
85°C
–136
–137
–141
–142
–138
–139
–140
1.60
1.55
1.50
1.45
1.40
CC
5.1
(V)
0
0
Output Noise Floor vs Attenuation
Step, Freq = 100MHz, R
V
IN(BIAS)
3
3
CC
5.3
ATTENUATION STEP (dB)
ATTENUATION STEP (dB)
,
6
vs Attenuation Step
6
5524 G16
PGA1 = HIGH
5.5
A
9
9
= 25°C, EN = 3V,
PGA1 = LOW
–40°C
12
12
85°C
25°C
15
15
OUT
18
18
= 200Ω
5524 G11
5524 G14
21
21
5524f