Datasheet

20
LTC1864/LTC1865
18645f
LT/TP 0502 2K • PRINTED IN USA
RELATED PARTS
 LINEAR TECHNOLOGY CORPORATION 2001
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
PART NUMBER SAMPLE RATE POWER DISSIPATION DESCRIPTION
14-Bit Serial I/O ADCs
LTC1417 400ksps 20mW 16-Pin SSOP, Unipolar or Bipolar, Reference, 5V or ±5V
LTC1418 200ksps 15mW Serial/Parallel I/O, Internal Reference, 5V or ±5V
16-Bit Serial I/O ADCs
LTC1609 200ksps 65mW Configurable Bipolar or Unipolar Input Ranges, 5V
References
LT1460 Micropower Precision Series Reference Bandgap, 130µA Supply Current, 10ppm/°C, Available in SOT-23
LT1790 Micropower Low Dropout Reference 60µA Supply Current, 10ppm/°C, SOT-23
Op Amps
LT1468/LT1469 Single/Dual 90MHz, 16-Bit Accurate Op Amps 22V/µs Slew Rate, 75µV/125µV Offset
LT1806/LT1807 Single/Dual 325MHz Low Noise Op Amps 140V/µs Slew Rate, 3.5nV/√Hz Noise, –80dBc Distortion
LT1809/LT1810 Single/Dual 180MHz Low Distortion Op Amps 350V/µs Slew Rate, –90dBc Distortion at 5MHz
U
TYPICAL APPLICATIO
–
+
–
+
0.1µF
0.1µF
0.1µF
0.1µF
1µF
1µF
0.1µF1µF
100Ω
100Ω
28.7k
10k
4.096V
REF
5V
5V
5k
5k
10k
20k
100pF
100pF
5pF
1/2
LT1492
1/2
LT1492
f
1
(0V TO 0.66V)
f
2
(0V TO 2V)
8
4
2
81
7
6
5
4
3
4.096V
REF
LTC1864
IN
+
IN
–
V
CC
GND
CONV
SDO
SCK
REF
1860 TA03
Sample Two Channels Simultaneously with a Single Input ADC
0
10
20
30
40
50
60
70
80
90
100
110
120
130
0 5 10 15 20 25 30 35 40 45 50
FREQUENCY (kHz)
AMPLITUDE (dB)
1864/65 TA03b
f
1
= 7.507324kHz AT 530mV
P-P
f
2
= 45.007324kHz AT 1.7V
P-P
f
S
= 100kHz
4096 Point FFT of Output