参数资料
型号: LTC6412IUF#TRPBF
厂商: Linear Technology
文件页数: 3/24页
文件大小: 0K
描述: IC VGA ANLG-CNTRL 31DB 24-QFN
标准包装: 2,500
放大器类型: 可变增益
电路数: 1
输出类型: 差分
-3db带宽: 800MHz
电流 - 电源: 110mA
电流 - 输出 / 通道: 70mA
电压 - 电源,单路/双路(±): 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-QFN 裸露焊盘(4x4)
包装: 带卷 (TR)
LTC6412
11
6412fa
6dB Gain Control Step
70MHz Time Domain Response
10dB Gain Control Step
70MHz Time Domain Response
20dB Gain Control Step
70MHz Time Domain Response
TYPICAL PERFORMANCE CHARACTERISTICS
Electrical Performance in Test Circuits A and B at TA = 25°C and VCC = 3.3V unless otherwise noted.
SHDN Step at GMAX with EN = 0V
70MHz Time Domain Response
SHDN Step at G = 3dB with EN = 0V
70MHz Time Domain Response
Overdrive Compression at GMAX
70MHz Time Domain Response
Overdrive Recovery at GMAX
70MHz Time Domain Response
Output EN Step at GMAX
140MHz Time Domain Response
SHDN Supply Current
Time Domain Response
TIME (ns)
0
VOLTAGE
(V)
0.4
0.6
0.8
400
6412 G34
0.2
0
–0.6
–0.4
100
200
300
50
150
250
350
–0.2
1.2
1.0
EXTERNAL
RF SWITCH PULSE
SMALL SIGNAL
15dB COMPRESSED
RFOUT INTO 50Ω,
10dB ATTENUATED
PEAK
RFOUT = 14dBm
TIME (ns)
0
VOL
TAGE
(V)
2.5
EN
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
160
6412 G35
40
80
120
200
140
20
60
100
180
RFOUT
50Ω
PEAK RFOUT = 10dBm
TIME (ms)
0
SUPPLY
CURRENT
(mA)
SHDN
PIN
VOLTAGE
(V)
4.0
6412 G36
80
40
100
60
120
20
0
2.0
0
3.0
1.0
0.5
2.0
1.5
3.0 3.5
4.5
2.5
5.0
012345
TIME (μs)
6412 G29
VOL
TAGE
(V)
RFOUT
50Ω
PEAK
RFOUT = 4dBm
–VG (0.5V/DIV)
020
20dB
10dB
0dB
PEAK GAIN
COMPRESSION
40
60
80
100
TIME (μs)
6412 G33
VOL
TAGE
(V)
RFOUT 50Ω
PEAK RFOUT = 14dBm
0
100
200
300
400
500
TIME (μs)
6412 G31
VOL
TAGE
(V)
RFOUT
50Ω
PEAK RFOUT = 4dBm
SHDN (1V/DIV)
0
100
200
300
400
500
TIME (μs)
6412 G32
VOL
TAGE
(V)
RFOUT
50Ω
PEAK RFOUT = 4dBm
SHDN (1V/DIV)
012345
TIME (μs)
6412 G28
VOL
TAGE
(V)
RFOUT
50Ω
PEAK
RFOUT = 4dBm
–VG (0.25V/DIV)
012345
TIME (μs)
6412 G30
VOL
TAGE
(V)
RFOUT
50Ω
PEAK
RFOUT = 4dBm
–VG (0.5V/DIV)
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