參數(shù)資料
型號: LTC6421CUDC-20#PBF
廠商: Linear Technology
文件頁數(shù): 12/16頁
文件大?。?/td> 0K
描述: IC ADC DRIVER DIFF 20-QFN
標準包裝: 91
類型: ADC 驅動器
應用: 數(shù)據采集
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: 管件
產品目錄頁面: 1323 (CN2011-ZH PDF)
LTC6421-20
5
642120fb
Input and Output Impedance
vs Frequency
Noise Figure and Input Referred
Noise Voltage vs Frequency
Small-Signal Transient Response
TYPICAL PERFORMANCE CHARACTERISTICS
Frequency Response
Channel-to-Channel Gain Match
vs Frequency
Input and Output Reection and
Reverse Isolation vs Frequency
FREQUENCY (MHz)
10
–0.1
GAIN
MA
TCH
(dB)
0
0.1
0.2
0.3
100
1000 2000
642120 G01
– 0.2
– 0.3
– 0.4
– 0.5
0.4
0.5
FREQUENCY (MHz)
10
– 0.1
GROUP
DELA
Y
MA
TCH
(ns)
0
0.1
0.2
0.3
100
1000 2000
642120 G02
– 0.2
– 0.3
– 0.4
– 0.5
0.4
0.5
FREQUENCY (MHz)
10
–1.0
PHASE
MA
TCH
(DEG)
– 0.5
0
1.0
100
500
642120 G03
0.5
Channel-to-Channel Group Delay
Match vs Frequency
Channel-to-Channel Phase Match
vs Frequency
FREQUENCY (MHz)
10
100
1000
3000
GAIN
(dB)
25
20
15
10
5
0
642120 G04
TEST CIRCUIT B
S21 Phase and Group Delay
vs Frequency
FREQUENCY (MHz)
0
PHASE
(DEGREE)
100
0
–100
–200
–300
– 400
GROUP
DELA
Y
(ns)
1.5
1.2
0.9
0.6
0.3
0
200
400
600
800
1000
642120 G05
PHASE
TEST CIRCUIT B
GROUP DELAY
FREQUENCY (MHz)
10
S
PARAMETERS
(dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
100
1000
3000
642120 G06
S11
S22
S12
TEST CIRCUIT B
FREQUENCY (MHz)
1
IMPEDANCE
MAGNITUDE
(Ω)
250
200
150
100
50
0
225
175
125
75
25
IMPEDANCE
PHASE
(DEGREE)
100
80
60
40
20
–80
–60
–40
–20
0
–100
10
100
1000
642120 G07
ZIN
ZOUT
ZIN
ZOUT
PHASE
IMPEDANCE MAGNITUDE
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
VOLTAGE
(nV/√Hz)
6
4
2
0
100
1000
642120 G08
NOISE FIGURE
eIN
TIME (ns)
0
OUTPUT
VOLTAGE
(V)
1.35
1.20
1.25
1.30
1.15
510
15
20
642120 G09
– OUT
+OUT
RL = 87.5Ω PER OUTPUT
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