ltc2222cuk-trpbf Linear Technology Corporation, ltc2222cuk-trpbf Datasheet - Page 19
![no-image](/images/manufacturer_photos/0/3/389/linear_technology_corporation_sml.jpg)
ltc2222cuk-trpbf
Manufacturer Part Number
ltc2222cuk-trpbf
Description
Ltc2223 - 12-bit, 80msps Adcs
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC2222CUK-TRPBF.pdf
(28 pages)
- Current page: 19 of 28
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APPLICATIO S I FOR ATIO
ANALOG
INPUT
Figure 8. Recommended Front End Circuit for
0.1µF
0.1µF
T1 = MA/COM ETC1-1-13
RESISTORS, CAPACITORS, INDUCTORS
ARE 0402 PACKAGE SIZE
Input Frequencies Above 500MHz
Figure 10. 1.6V Range ADC
T1
12k
12k
U
1.6V
0.8V
25Ω
25Ω
U
SENSE
2.2µF
1µF
V
CM
0.1µF
4.7nH
4.7nH
LTC2222/
LTC2223
W
22223 F10
2.2µF
2pF
V
A
A
CM
IN
IN
+
–
LTC2222/23
U
22223 F08
TIE TO V
TIE TO V
RANGE = 2 • V
CM
0.5V < V
DD
FOR 2V RANGE;
FOR 1V RANGE;
SENSE
SENSE
1.6V
1µF
1µF
Figure 9. Equivalent Reference Circuit
< 1V
FOR
2.2µF
0.1µF
2.2µF
0.1µF
LTC2222/LTC2223
SENSE
REFHA
REFHB
REFLB
REFLA
V
CM
LTC2222/LTC2223
CONTROL
4Ω
DETECT
RANGE
AND
1.6V BANDGAP
DIFF AMP
REFERENCE
INTERNAL ADC
HIGH REFERENCE
INTERNAL ADC
LOW REFERENCE
1V
BUFFER
0.5V
19
22223fa
22223 F09
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