Datasheet
Table Of Contents

LTC6655
22
6655fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2009
LT 0210 REV A • PRINTED IN USA
relaTeD parTs
Typical applicaTion
Low Noise Precision 24-Bit Analog-to-Digital Converter Application
–2.5V
7.5V
SPI INTERFACE
THERMOCOUPLE
10µF
0.1µF
LTC6655
V
IN
SHDN
V
OUT_F
V
OUT_S
GND GND
3,5,8 4
1
2
6
7
V
CC
5V
6655 TA09
1nF
1nF
0.01µF0.01µF
50Ω
2.5k
50Ω
2.5k
+
–
+
–
1/2
LTC6241
1/2
LTC6241
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
CH10
CH11
CH12
CH13
CH14
CH15
COM
REF
+
REF
–
GND
GND
GND
GND
GND
GND
GND
MUXOUTN
ADCINN
MUXOUTP
ADCINP
SDI
SCK
SDO
CS
BUSY
EXT
f
O
LTC2449
5k
R
REF
400Ω
V
REF
R
TD
V
REF
PART NUMBER DESCRIPTION COMMENTS
LT
®
1236 Precision Low Drift Low Noise Reference 0.05% Max, 5ppm/°C Max, 1ppm (Peak-to-Peak) Noise
LT1460 Micropower Series References 0.075% Max, 10ppm/°C Max, 20mA Output Current
LT1461 Micropower Series Low Dropout 0.04% Max, 3ppm/°C Max, 50mA Output Current
LT1790 Micropower Precision Series References 0.05% Max, 10ppm/°C Max, 60mA Supply, SOT23 Package
LT6650 Micropower Reference with Buffer Amplifier 0.5% Max, 5.6µA Supply, SOT23 Package
LTC6652 Precision Low Drift Low Noise Reference 0.05% Max, 5ppm/°C Max, –40°C to 125°C, MSOP8
LT6660 Tiny Micropower Series Reference
0.2% Max, 20ppm/°C Max, 20mA Output Current, 2mm × 2mm DFN