参数资料
型号: LTC6412CUF#PBF
厂商: Linear Technology
文件页数: 2/24页
文件大小: 0K
描述: IC VGA ANLG-CNTRL 31DB 24-QFN
标准包装: 91
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: 0°C ~ 70°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: 管件
LTC6412
10
6412fa
TYPICAL PERFORMANCE CHARACTERISTICS
2nd Harmonic Distortion vs
Control Voltage Over POUT
140MHz Noise Figure vs Gain
Setting Over Temperature
Output P1dB at GMAX vs Frequency
Over Supply Voltage
Input and Output P1dB vs Gain
Setting at 140MHz
140MHz Sideband Noise Near
GMAX at POUT = +8dBm
2nd Harmonic vs Distortion vs
Control Voltage Over Frequency
3rd Harmonic Distortion vs
Control Voltage Over Frequency
Noise Figure at GMAX vs
Frequency Over Temperature
Electrical Performance in Test Circuits A and B at TA = 25°C and VCC = 3.3V unless otherwise noted.
3rd Harmonic Distortion vs
Control Voltage Over POUT
–VG VOLTAGE (V)
0
–120
HD2
(dBc)
–100
–80
–60
–40
–20
0.2
GMAX
GMIN
0.4
0.6
0.8
6412 G19
1.0
1.2
POUT = 0dBm
FREQ = 280MHz
FREQ = 140MHz
FREQ = 70MHz
–VG VOLTAGE (V)
0
–120
HD3
(dBc)
–100
–80
–60
–40
–20
0.2
GMAX
GMIN
0.4
0.6
0.8
6412 G20
1.0
1.2
POUT = 0dBm
FREQ = 280MHz
FREQ = 70MHz
FREQ = 140MHz
FREQUENCY (MHz)
0
NOISE
FIGURE
(dB)
8
10
12
300
6412 G21
6
4
100
200
400
250
50
150
350
2
0
14
85°C
–40°C
25°C
–VG VOLTAGE (V)
0
–120
HD2
(dBc)
–100
–80
–60
–40
–20
0.2
GMAX
GMIN
0.4
0.6
0.8
6412 G22
1.0
1.2
FREQ = 140MHz
POUT = 3dBm
POUT = 0dBm
POUT = –3dBm
INPUT
ATTENUATOR
LIMITED
–VG VOLTAGE (V)
0
–120
HD3
(dBc)
–100
–80
–60
–40
–20
0.2
GMAX
GMIN
0.4
0.6
0.8
6412 G23
1.0
1.2
FREQ = 140MHz
INPUT
ATTENUATOR
LIMITED
POUT = 3dBm
POUT = –3dBm
POUT = 0dBm
GAIN SETTING (dB)
–20
NOISE
FIGURE
(dB)
25
30
35
20
6412 G24
20
15
0
–10
0
10
–15
–5
5
15
10
5
45
85°C
40
–40°C
25°C
FREQUENCY (MHz)
0
OUTPUT
P1dB
(dBm)
2
6
8
10
20
3.6V
3.3V
14
100
200
250
6412 G25
4
16
18
12
50
150
300 350
400
3V
GAIN SETTING (dB)
–20
P1dB
(dBm)
10
15
20
–5
5
20
6412 G26
5
0
–5
–15 –10
0
10
15
INPUT P1dB
OUTPUT P1dB
INPUT
ATTENUATOR
LIMITED
OUTPUT
AMPLIFIER
LIMITED
OFFSET FROM 140MHz (Hz)
–20000
20000
POWER
DENSITY
(dBc/Hz)
–60
–40
–20
6412 G27
–80
–100
–10000
10000
0
–120
–140
0
GAIN = GMAX – 2dB
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