參數(shù)資料
型號: LTC6405IUD#PBF
廠商: Linear Technology
文件頁數(shù): 25/26頁
文件大?。?/td> 0K
描述: IC DIFF AMP/DRIVER R-R 16-QFN
標準包裝: 121
類型: ADC 驅動器
應用: 數(shù)據(jù)采集
安裝類型: 表面貼裝
封裝/外殼: 16-WFQFN 裸露焊盤
供應商設備封裝: 16-QFN-EP(3x3)
包裝: 管件
產品目錄頁面: 1323 (CN2011-ZH PDF)
LTC6405
8
6405fb
For more information www.linear.com/6405
Frequency Response
vs Closed Loop Gain
Frequency Response
vs Load Capacitance
Frequency Response vs Input
Common Mode Voltage
typical perForMance characteristics
AV = 10
AV = 5
AV = 20
AV = 100
AV = 2
AV = 1
FREQUENCY (MHz)
6405 G16
GAIN
(dB)
VS = 5V
VOCM = VICM = 2.5V
RLOAD = 400
50
40
30
20
10
0
–50
–40
–30
–20
–10
1
100
10
1000 2000
AV (V/V)
CF (pF)
RI () RF ()
1
2
5
10
20
100
200
400
1k
2k
4k
20k
1.8
1.5
0.6
0.2
0
FREQUENCY (MHz)
6405 G17
GAIN
(dB)
VS = 5V
VOCM = VICM = 2.5V
RLOAD = 400
RI = RF = 200, CF = 1.8pF
CAPACITOR VALUES ARE FROM EACH
OUTPUT TO GROUND.
NO SERIES RESISTORS ARE USED.
30
20
10
0
–60
–50
–40
–30
–20
–10
CL = 0pF
CL = 2pF
CL = 3pF
CL= 4.7pF
CL = 10pF
1
100
10
1000 2000
FREQUENCY (MHz)
6405 G18
GAIN
(dB)
VS = 5V
VOCM = 2.5V
RLOAD = 400
RI = RF = 200, CF = 1.8pF
10
5
0
–5
–40
–35
–30
–20
–10
–25
–15
VICM = 0V
VICM = 0.5V
VICM = 1.25V
VICM = 2.5V
VICM = 4V
VICM = 5V
1
100
10
1000 2000
Small Signal Step Response
Large Signal Step Response
Overdriven Output
Transient Response
6405 G13
10ns/DIV
20mV
/DIV
+OUT
–OUT
VS = 5V
VOCM=VICM= 2.5V
RLOAD=400
RI=RF = 200
CF = 1.8pF
CL = 0pF
6405 G14
10ns/DIV
VS = 5V
RLOAD = 400
VIN = 2VP-P, DIFFERENTIAL
+OUT
–OUT
0.2V
/DIV
100ns/DIV
VOL
TAGE
(
V) 3.0
3.5
4.0
2.5
2.0
0.5
0
1.5
4.5
1.0
6405 G15
VS = 5V
VOCM = 2.5V
RLOAD = 400 TO GROUND PER OUTPUT
–OUT
+OUT
(QFN Package)
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