Datasheet
LTC2308
20
2308fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2007
LT 0908 REV B • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
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LTC1790 Micropower Low Dropout Reference 60μA Supple Current, 10ppm/°C, SOT-23 Package
LTC1850/LTC1851 10-Bit/12-Bit, 8-Channel, 1.25Msps ADC Parallel Output, Programmable MUX and Sequencer, 5V Supply
LTC1852/LTC1853 10-Bit/12-Bit, 8-Channel, 400ksps ADC Parallel Output, Programmable MUX and Sequencer, 3V or 5V Supply
LTC1860/LTC1861 12-Bit, 1-/2-Channel, 250ksps ADC in MSOP 850μA at 250ksps, 2μA at 1ksps, SO-8 and MSOP Packages
LTC1860L/LTC1861L 3V, 12-Bit, 1-/2-Channel, 150ksps ADC 450μA at 150ksps, 10μA at 1ksps, SO-8 and MSOP Packages
LTC1863/LTC1867 12-/16-Bit, 8-Channel, 200ksps ADC 6.5mW, Unipolar or Bipolar, Internal Reference, SSOP-16 Package
LTC1863L/LTC1867L 3V, 12-/16-Bit, 8-Channel, 175ksps ADC 2mW, Unipolar or Bipolar, Internal Reference, SSOP-16 Package
LTC1864/LTC1865 16-Bit, 1-/2-Channel, 250ksps ADC in MSOP 850μA at 250ksps, 2μA at 1ksps, SO-8 and MSOP Packages
LTC1864L/LTC1865L 3V, 16-Bit, 1-/2-Channel, 150ksps ADC in MSOP 450μA at 150ksps, 10μA at 1ksps, SO-8 and MSOP Packages
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
SDI
SDO
SCK
CONVST
SERIAL
PORT
ANALOG
INPUT
MUX
MASTER CLOCK
CONVERT ENABLE
REFCOMP
2308 TA02
INTERNAL
2.5V REF
LTC2308
AV
DD
DV
DD
OV
DD
GND
0.1μF
5V
12-BIT
500ksps
ADC
+
–
0.1μF
2.7V TO 5V
2.2μF
50Ω
CONTROL
LOGIC
(FPGA, CPLD,
DSP, ETC.)
PRE
CLR
Q
Q
D
V
CC
V
CC
CONVERT ENABLE
NL17SZ74
MASTER
CLOCK
NC7SVU04P5X
RF SIGNAL GENERATOR OR
OTHER LOW JITTER SOURCE
DATA TRANSFER
JITTER
0.1μF
0.1μF
10μF
10μF0.1μF10μF
V
REF
1k
1k
• • • • • •
• • • • • •
• • • • • •
• • • • • •
• • • • • •
• • • • • •
CONVST
Clock Squaring/Level Shifting Circuit Allows Testing with RF Sine Generator,
Convert Re-Timing Flip-Flop Preserves Low Jitter Clock Timing