参数资料
型号: LT5554IUH#PBF
厂商: Linear Technology
文件页数: 32/32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
9
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.
Two-Tone OIP3 vs Frequency for
GMAX and Critical Gain Steps
Two-Tone IMD3 vs Frequency for
GMAX and Critical Gain Steps
IIP3 vs Frequency for GMAX and
GMAX –3.875dB
Two-Tone IMD3 and OIP3 vs
Attenuation at 50MHz
Two-Tone IMD3 and OIP3 vs
Attenuation at 70MHz
FREQUENCY (MHz)
50
OIP3
(dBm)
49
46
43
40
100
150
5554 G16
200
GMAX – 15.875dB
GMAX – 12dB
GMAX – 3.875dB
GMAX
FREQUENCY (MHz)
50
IMD3
(dBc)
–70
–76
–82
–88
100
150
5554 G17
200
GMAX – 15.875dB
GMAX – 12dB
GMAX – 3.875dB
GMAX
FREQUENCY (MHz)
50
IIP3
(dBm)
32
30
28
24
26
100
150
5554 G18
200
GMAX
GMAX – 3.875dB
ATTENUATION (dB)
0
–4
–8
–12
5554 G19
–16
IMD3
OIP3
IMD3
(dBc)
–70
–74
–78
–82
–86
OIP3
(dBm)
48
46
44
42
40
ATTENUATION (dB)
0
–4
–8
–12
5554 G20
–16
IMD3
OIP3
IMD3
(dBc)
–70
–74
–78
–82
–86
OIP3
(dBm)
48
46
44
42
40
Two-Tone IMD3 and OIP3 vs
Attenuation at 100MHz
ATTENUATION (dB)
0
–4
–8
–12
5554 G21
–16
IMD3
(dBc)
–70
–74
–78
–82
–86
OIP3
(dBm)
48
46
44
42
40
OIP3
Two-Tone IMD3 and OIP3 vs
Attenuation at 140MHz
ATTENUATION (dB)
0
–4
–8
–12
5554 G22
–16
IMD3
OIP3
IMD3
(dBc)
–70
–74
–78
–82
–86
OIP3
(dBm)
48
46
44
42
40
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