参数资料
型号: LT5554IUH#PBF
厂商: Linear Technology
文件页数: 2/32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
10
5554f
TYPICAL PERFORMANCE CHARACTERISTICS
Two-Tone OIP3 vs Tone Power at
Min-Gain
Two-Tone OIP3 vs ROUT, for GMAX
OIP3 vs Frequency for GMAX and
GMIN, POUT = 10dBm
(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) POUT = 4dBm/tone (2VP-P into 50Ω),
Δf = 200kHz, unless otherwise noted.
Two-Tone IMD3 and OIP3 vs
Attenuation at 200MHz
ATTENUATION (dB)
0
–4
–8
–12
5554 G23
–16
IMD3
OIP3
IMD3
(dBc)
–70
–74
–78
–82
–86
OIP3
(dBm)
48
46
44
42
40
Two-Tone OIP3 vs Tone Power at
Max-Gain
OUTPUT TONE POWER (dBm)
03
OIP3
(dBm)
47
44
41
38
69
5554 G24
12
50MHz
70MHz
100MHz
140MHz
200MHz
OUTPUT TONE POWER (dBm)
03
OIP3
(dBm)
47
44
41
38
69
5554 G25
12
50MHz
70MHz
100MHz
140MHz
200MHz
FREQUENCY (MHz)
50
OIP3
(dBm)
50
35
45
40
100
150
5554 G29
200
GMAX
GMIN
Harmonic Distortion vs
Attenuation, 50MHz,
POUT = 10dBm, Figure 17
ATTENUATION (dB)
0
–4
–8
–12
5554 G27
–16
HD3
HD5
HARMONIC
DISTOR
TION
(dBc)
–70
–75
–80
–85
–90
–100
–95
–105
Two-Tone OIP3 vs VCCO, for GMAX
OUTPUT COMMON MODE VOLTAGE (V)
2
5554 G28
OIP3
(dBm)
48
45
42
36
39
3456
25MHz
70MHz
140MHz
200MHz
Two-Tone OIP3 vs VCCO, for GMAX
–3.875dB
OUTPUT COMMON MODE VOLTAGE (V)
2
5554 G30
OIP3
(dBm)
48
45
42
36
39
3456
25MHz
70MHz
140MHz
200MHz
ROUT (Ω)
50
5554 G52
OIP3
(dBm)
50
48
44
46
75
100
25MHz
70MHz
140MHz
200MHz
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