LTC1864 LINER [Linear Technology], LTC1864 Datasheet - Page 20

• Manufacturer Part Number: LTC1864
• Description: ?Power, 16-Bit, 250ksps 1- and 2-Channel ADCs in MSOP
• Manufacturer: LINER [Linear Technology]

LTC1864/LTC1865
TYPICAL APPLICATIO
RELATED PARTS
20
PART NUMBER
14-Bit Serial I/O ADCs
LTC1417
LTC1418
16-Bit Serial I/O ADCs
LTC1609
References
LT1460
LT1790
Op Amps
LT1468/LT1469
LT1806/LT1807
LT1809/LT1810
(0V TO 0.66V)
(0V TO 2V)
28.7k
10k
4.096V
REF
f
f
1
2
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
Sample Two Channels Simultaneously with a Single Input ADC
0.1µF
0.1µF
1µF
Micropower Precision Series Reference
Micropower Low Dropout Reference
Single/Dual 90MHz, 16-Bit Accurate Op Amps
Single/Dual 325MHz Low Noise Op Amps
Single/Dual 180MHz Low Distortion Op Amps
5k
5k
●
SAMPLE RATE
FAX: [phone]
10k
400ksps
200ksps
200ksps
+
–
+
–
LT1492
LT1492
1/2
1/2
5V
8
4
20k
5pF
0.1µF
U
●
100pF
100pF
100Ω
100Ω
POWER DISSIPATION
www.linear.com
20mW
15mW
65mW
2
3
IN +
IN –
V
5V
CC
LTC1864
8
GND
4
4.096V
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
REF
REF
CONV
1
SCK
SDO
7
6
5
0.1µF
0.1µF
1860 TA03
1µF
1µF
100
110
120
130
10
20
30
40
50
60
70
80
90
0
0
© LINEAR TECHNOLOGY CORPORATION 2001
5
4096 Point FFT of Output
10 15 20 25 30 35 40 45 50
f
f
f
1
2
S
= 7.507324kHz AT 530mV
= 45.007324kHz AT 1.7V
= 100kHz
FREQUENCY (kHz)
LT/TP 0502 2K • PRINTED IN USA
sn18645 18645fs
P-P
P-P
1864/65 TA03b