参数资料
型号: LT5554IUH#PBF
厂商: Linear Technology
文件页数: 31/32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
8
5554f
ATTENUATION (dB)
0
GAIN
ERROR
(dB)
0.4
0.3
0.2
0.1
0
–0.1
5554 G08
–16
–4
–12
–8
–40°C
25°C
85°C
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Gain Error vs
Attenuation at 50MHz
Integral Gain Error vs
Attenuation at 100MHz
Integral Gain Error vs
Attenuation at 200MHz
(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), unless otherwise noted.
Maximum Gain vs Temperature
POUT vs PIN at Maximum Gain
POUT vs PIN at GMAX – 3.875dB
ATTENUATION (dB)
0
GAIN
ERROR
(dB)
0.4
0.3
0.2
0.1
0
–0.1
5554 G07
–16
–4
–12
–8
–40°C
25°C
85°C
ATTENUATION (dB)
0
GAIN
ERROR
(dB)
0.4
0.3
0.2
0.1
0
–0.1
5554 G09
–16
–4
–12
–8
–40°C
25°C
85°C
TEMPERATURE (°C)
–40
G
MAX
(dB)
18.0
17.8
17.6
17.4
17.2
17.0
5554 G10
80
20
60
040
–20
50MHz
100MHz
200MHz
PIN (dBm)
–35
P
OUT
(dBm)
24
16
8
0
–8
–16
5554 G11
15
–5
–15
5
–25
70MHz
140MHz
200MHz
PIN (dBm)
–35
5554 G12
15
–5
–15
5
–25
70MHz
140MHz
200MHz
P
OUT
(dBm)
24
16
8
0
–8
–16
Two-Tone OIP3 vs Frequency at
Max Gain, Three Temperatures
Two-Tone IMD3 vs Frequency at
Max Gain, Three Temperatures
IIP3 vs Frequency at Max Gain,
Three Temperatures
FREQUENCY (MHz)
050
OIP3
(dBm)
49
46
43
40
100
150
5554 G13
200
–40°C
85°C
25°C
FREQUENCY (MHz)
0
50
100
150
5554 G14
200
–40°C
85°C
25°C
IMD3
(dBc)
–76
–79
–82
–85
–88
FREQUENCY (MHz)
0
50
100
150
5554 G15
200
IIP3
(dBm)
32
30
28
24
26
–40°C
85°C
25°C
(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.
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