LTC1865IMS View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1865IMS' PDF : 24 Pages View PDF
LTC1864/LTC1865
TYPICAL APPLICATION
Sample Two Channels Simultaneously with a Single Input ADC
f1
(0V TO 0.66V)
4.096V
REF
28.7k
10k
f2
(0V TO 2V)
0.1μF
5k
+
1/2
LT1492
–
20k
100Ω
100pF
10k
5pF
1μF
5k
0.1μF
5V
+
8 0.1μF
1/2
LT1492
–4
100Ω
100pF
5V
4.096V
REF
0.1μF
1μF
0.1μF
1μF
2
IN+
IN–
3
8
1
VCC
REF 7
SCK
6
LTC1864 SDO
5
CONV
GND
4
18645 TA03a
0
10
20
30
40
50
60
70
80
90
100
110
120
130
0
4096 Point FFT of Output
f1 = 7.507324kHz AT 530mVP-P
f2 = 45.007324kHz AT 1.7VP-P
fS = 100kHz
5 10 15 20 25 30 35 40 45 50
FREQUENCY (kHz)
18645 TA03b
RELATED PARTS
PART NUMBER
SAMPLE RATE
POWER DISSIPATION
14-Bit Serial I/O ADCs
LTC1417
400ksps
20mW
LTC1418
200ksps
15mW
16-Bit Serial I/O ADCs
LTC1609
200ksps
65mW
References
LT1460
Micropower Precision Series Reference
LT1790
Micropower Low Dropout Reference
Op Amps
LT1468/LT1469 Single/Dual 90MHz, 16-Bit Accurate Op Amps
LT1806/LT1807 Single/Dual 325MHz Low Noise Op Amps
LT1809/LT1810 Single/Dual 180MHz Low Distortion Op Amps
DESCRIPTION
16-Pin SSOP, Unipolar or Bipolar, Reference, 5V or ±5V
Serial/Parallel I/O, Internal Reference, 5V or ±5V
Configurable Bipolar or Unipolar Input Ranges, 5V
Bandgap, 130μA Supply Current, 10ppm/°C, Available in SOT-23
60μA Supply Current, 10ppm/°C, SOT-23
22V/μs Slew Rate, 75μV/125μV Offset
140V/μs Slew Rate, 3.5nV/√Hz Noise, –80dBc Distortion
350V/μs Slew Rate, –90dBc Distortion at 5MHz
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
18645fb
LT 1207 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2007
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