参数资料
型号: LTC6420IUDC-20#PBF
厂商: Linear Technology
文件页数: 11/14页
文件大小: 0K
描述: IC DIFF AMP/ADC DRIVER DL 20QFN
标准包装: 91
类型: ADC 驱动器
应用: 数据采集
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-QFN(3x4)
包装: 管件
LTC6420-20
6
642020fb
TYPICAL PERFORMANCE CHARACTERISTICS
FREQUENCY (MHz)
10
NOISE
FIGURE
(dB)
15
10
2
4
12
14
6
8
0
11
3
5
13
7
9
1
INPUT
REFERRED
NOISE
VOL
TAGE
(nV
/√Hz
)
6
4
2
0
100
1000
642020 G08
NOISE FIGURE
eIN
Noise Figure and Input Referred
Noise Voltage vs Frequency
TIME (ns)
0
OUTPUT
VOL
TAGE
(V)
2.5
0.5
1.0
2.0
1.5
0
50
100
150
200
642020 G10
–OUT
RL = 87.5Ω PER OUTPUT
+OUT
Overdrive Transient Response
TIME (ns)
0
OUTPUT
VOL
TAGE
(V)
1.35
1.20
1.25
1.30
1.15
2468
10
642020 G09
–OUT
+OUT
RL = 87.5Ω PER OUTPUT
Small Signal Transient Response
FREQUENCY (MHz)
THIRD
ORDER
IMD
(dBc)
–40
–50
–60
–80
–90
–70
–110
–100
642020 G12
DIFFERENTIAL INPUT
VOUT = 2VP-P COMPOSITE
0
50
100
150
200
250
300
DRIVING LTC2285
Third Order Intermodulation
Distortion vs Frequency
FREQUENCY (MHz)
OUTPUT
IP3
(dBm)
60
50
40
20
10
30
0
642020 G13
DIFFERENTIAL INPUT
VOUT = 2VP-P COMPOSITE
(NOTE 7)
0
50
100
150
200
250
300
DRIVING LTC2285
Equivalent Output Third Order
Intercept vs Frequency
Channel Separation
vs Frequency (Note 8)
Harmonic Distortion vs Frequency
FREQUENCY (MHz)
050
HARMONIC
DISTOR
TION
(dBc)
–40
–50
–60
–80
–90
–70
–100
100
150
200
250
300
642020 G11
HD2 NO RL
HD2 200Ω RL
HD3 NO RL
HD3 200Ω RL
DIFFERENTIAL INPUT
VOUT = 2VP-P
FREQUENCY (MHz)
CHANNEL
SEP
ARA
TION
(dB)
642020 G14
120
100
20
40
60
80
0
1
100
1000
10
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