參數(shù)資料
型號: LTC6420CUDC-20#TRPBF
廠商: Linear Technology
文件頁數(shù): 11/14頁
文件大?。?/td> 0K
描述: IC DRVR DIFF AMP/ADC DUAL 20QFN
標準包裝: 2,500
類型: ADC 驅(qū)動器
應用: 數(shù)據(jù)采集
安裝類型: 表面貼裝
封裝/外殼: 20-WFQFN 裸露焊盤
供應商設備封裝: 20-QFN(3x4)
包裝: 帶卷 (TR)
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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