TYPICAL PERFORMANCE CHARACTERISTICS (R OUT = 50" />
參數(shù)資料
型號: LT5554IUH#TRPBF
廠商: Linear Technology
文件頁數(shù): 3/32頁
文件大?。?/td> 0K
描述: IC VGA DIG CONTROL 32-QFN
標準包裝: 2,500
應用: 可變增益(VGA)
電路數(shù): 1
-3db帶寬: 1GHz
電流 - 電源: 200mA
電壓 - 電源,單路/雙路(±): 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤
供應商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 帶卷 (TR)
LT5554
11
5554f
TYPICAL PERFORMANCE CHARACTERISTICS (R
OUT = 50Ω) TA = 25°C. VCC = 5V, VCCO = 5V,
ENB = 3V, MODE = 5V, STROBE = 3V, VIH = 2.2V, VIL = 0.6V (Test circuit shown in Figure 16) POUT = 4dBm/tone (2VP-P into 50Ω),
Δf = 200kHz, unless otherwise noted.
Noise Figure vs Attenuation,
140MHz
Input Referred Noise vs
Attenuation, 140MHz
Output Noise Density vs
Attenuation, 140MHz
Noise Figure vs Frequency
Single-Ended Output NF vs
Frequency, Figure 18
HD3 and HD5 vs POUT
for GMAX, Figure 17
HD3 vs Frequency for GMAX and
GMIN, POUT = 10dBm, Figure 17
HD5 vs Frequency for GMAX and
GMIN, POUT = 10dBm, Figure 17
HARMONIC
DISTOR
TION
(dBc)
–50
–68
–80
–62
–74
–56
FREQUENCY (MHz)
50
100
150
5554 G31
200
GMAX
GMIN
HARMONIC
DISTOR
TION
(dBc)
–70
–88
–100
–82
–94
–76
FREQUENCY (MHz)
50
100
150
5554 G32
200
GMAX
GMIN
OUTPUT POWER (dBm)
7
HARMONIC
DISTOR
TION
(dBc)
–40
–60
–75
–80
–70
–65
–55
–50
–45
10
13
5554 G33
16
70MHz
140MHz
HD3
HD5
FREQUENCY (MHz)
0
5554 G34
NF
(dB)
20
15
10
0
5
200
400
600
800
GMAX
GMAX –3.875
GMAX
GMAX –3.875
FREQUENCY (MHz)
0
200
400
600
5554 G35
800
NF
(dB)
20
15
10
0
5
ATTENUATION (dB)
0
NF
(dB)
25
20
15
10
5
0
5554 G36
–16
–4
–12
–8
ATTENUATION (dB)
0
R
TI
(nV
/√
Hz
)
6
4
2
0
5554 G37
–16
–4
–12
–8
ATTENUATION (dB)
0
V
ONOISE
(nV
/√
Hz
)
12
9
6
3
0
5554 G38
–16
–4
–12
–8
(ROUT = 50Ω) TA = 25°C. VCC = 5V, VCCO = 5V, ENB = 3V, MODE = 5V, STROBE = 3V, VIH = 2.2V, VIL = 0.6V (Test circuit shown in Figure 16),
maximum gain, unless otherwise noted.
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