Datasheet

LTC6655
26
6655fd
For more information www.linear.com/LTC6655
 LINEAR TECHNOLOGY CORPORATION 2009
LT 0114 REV D • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com/LTC6655
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
LT1236LS8 Precision Low Noise, Low Profile Hermetic Voltage Reference
0.05% Max, 5ppm/°C Max, 0.3µV
P-P
Noise, 5mm × 5mm Hermetic
Package
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
LTC6652LS8 High Precision, Buffered Voltage Reference Family in
5mm × 5mm Hermetic QFN Package
0.05% Max Initial Error, 5ppm/°C Max Drift, Shutdown Current <2µA,
–40°C to 125°C Operation
L
T6654LS8 Precision, Low Noise, High Output Drive Voltage Reference
Family in 5mm × 5mm Hermetic QFN Package
1.6ppm Peak-to-Peak Noise (0.1Hz to 10Hz, Sink/Source ±10mA,
5ppm/°C Max Drift, –40°C to 125°C Operation