Datasheet

LTC6362
18
6362fa
TYPICAL APPLICATIONS
LTC6362 Used as Lowpass Filter/Driver with 10V
P-P
Singled-Ended Input, Driving a SAR ADC
Differential A
V
= 1 Configuration Using an LT
®
5400 Quad-Matched Resistor Network
CMRR Comparison Using the LT5400 and 1% 0402 Resistors
–
–
+
+
5V
1.8nF
0.1µF
1.8nF
1.8nF
1.8nF
1.8nF
1.8nF
1.8nF
A
IN
+
V
REF
V
DD
5V
LTC2380-16
SAR ADC
2.5V
GND
A
IN
–
16 BIT
2Msps
6362 TA09
100Ω
100Ω
LTC6362
0.1µF
1.8nF
1.8nF
1.27k
1.27k
1.27k
2k
1.27k
2k
V
CM
4-POLE FILTER
f
–3dB
= 50kHz
V
CM
V
IN
5V
–5V
1.27k
1.27k
4.5V
4.5V
0.5V
0.5V
R1
LT5400
1
2
3
4
8
7
6
5
6362 TA10a
R2
R3
R4
–
+
–
+
LTC6362
V
OCM
V
+OUT
V
–OUT
V
INM
V
INP
SHDN
5V
0.1µF
4.5V
0.5V
4.5V
0.5V
4.5V
0.5V
4.5V
0.5V
FREQUENCY (Hz)
30
CMRR (dB)
90
100
20
10
80
50
70
60
40
10 1k 10k 100k
6362 TA10b
0
100
USING LT5400 MATCHED RESISTORS
USING 1% 0402 RESISTORS
V
S
= 5V, 0V