参数资料
型号: LT5554IUH#PBF
厂商: Linear Technology
文件页数: 3/32页
文件大小: 0K
描述: IC VGA DIG CONTROL 32-QFN
标准包装: 73
应用: 可变增益(VGA)
电路数: 1
-3db带宽: 1GHz
电流 - 电源: 200mA
电压 - 电源,单路/双路(±): 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 管件
产品目录页面: 1322 (CN2011-ZH PDF)
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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