LTC2668CUJ-16PBF View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC2668CUJ-16PBF
Linear Technology
'LTC2668CUJ-16PBF' PDF : 28 Pages View PDF
LTC2668
Typical Application
Using the Analog Multiplexer to Measure DAC Output Voltages Up to ±10.24V.
Independent ADC Reference Cross-Checks LTC2668 Internal Reference
5V
15V
SDI
TO
MICROCONTROLLER
CS1
CS2
SCK
SDO
1µF
0.1µF
1µF
0.1µF
5V
39
MSP0
40 MSP1
1 MSP2
15 LDAC
20 TGP
21 CLR
19 SDI
16 CS/LD
18 SDO
17 SCK
22 36
LTC2668-16
35 13 14,
37
32, 41
11
0.1µF
31, 10
VOUT0
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
VOUT7
VOUT8
VOUT9
VOUT10
VOUT11
VOUT12
VOUT13
VOUT14
VOUT15
2
3
4
5
6
7
8
9
23
24
25
26
27
28
29
30
MUX 12
OVRTMP 38
34 33
0.1µF
1µF
0.1µF
–15V
DAC
OUTPUTS
5V
15V
2×
2×
10µF
0.1µF
0.1µF
10µF
3+ 7
LT1468
2– 4
–15V
0.1µF
6
0.1µF
2
15
1
4
5
IN+
IN–
VDD
REFBUF
OVDD VDDLBYP SDO
SCK
LTC2328-18
RDL/SDI
BUSY
CNV
REFIN GND CHAIN
14
13
12
11
9
10
7
8
3, 16
47µF
0.1µF
0.1µF
2668 TA02
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Packages
References
LTC6655A Low Drift Precision Buffered Reference
0.025% Max Tolerance, 2ppm/°C Max, 0.25ppmP-P 0.1Hz to 10Hz Noise
28 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950Fo3r5m-7o4re1i7nformation www.linear.com/LTC2668
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC2668
2668fa
LT 0715 REV A • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2014
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