LTC2309 Linear Technology Corporation, LTC2309 Datasheet - Page 20

• Manufacturer Part Number: LTC2309
• Description: 12-Bit SAR ADC
• Manufacturer: Linear Technology Corporation

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LTC2309
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LTC1417
LTC1468/LTC1469
LTC1609
LTC1790
LTC1850/LTC1851
LTC1852/LTC1853
LTC1860/LTC1861
LTC1860L/LTC1861L 3V, 12-bit, 1-/2-Channel 150ksps ADCs
LTC1863/LTC1867
LTC1863L/LTC1867L 3V, 12-/16-bit, 8-Channel 175ksps ADCs
LTC1864/LTC1865
LTC1864L/LTC1865L 3V, 16-Bit, 1-/2-Channel 150ksps ADCs in MSOP
LTC2302/LTC2306
LTC2308
LTC2453
LTC2487/LTC2489/
LTC2493
LTC2495/LTC2497/
LTC2499
20
SIGNAL
INPUT
±10V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
0.1μF
5V
10
8
9
1
2
3
DESCRIPTION
14-Bit, 400ksps Serial ADC
Single/Dual 90MHz, 22V/μs, 16-bit Accurate
Op Amps
16-Bit, 200ksps Serial ADC
Micropower Low Dropout Reference
10-Bit/12-Bit, 8-channel, 1.25Msps ADCs
10-Bit/12-Bit, 8-channel, 400ksps ADCs
12-Bit, 1-/2-Channel 250ksps ADCs in MSOP
12-/16-Bit, 8-Channel 200ksps ADCs
16-Bit, 1-/2-Channel 250ksps ADCs in MSOP
12-Bit, 1-/2-Channel 500ksps SPI ADCs in
3mm × 3mm DFN
12-Bit, 8-Channel 500ksps SPI ADC
Easy-to-Use, Ultra-Tiny 16-bit I
2-/4-Channel Easy Drive I
8-/16-Channel Easy Drive I
LT1991
IN
LT1790-2.5
150k
450k
450k
150k
50k
50k
GND
●
OUT
FAX: [phone]
–
+
LT1991
Driving the LTC2309 with ±10V Input Signals Using a Precision Attenuator
–10V
10V
7
4
1μF
450k
450k
4pF
4pF
5
2
C Delta Sigma ADCs
2
C Delta Sigma ADCs
6
●
47pF
www.linear.com
100Ω
2
C Delta Sigma ADC
COM
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH0
10μF
ANALOG
INPUT
MUX
0.1μF
COMMENTS
20mW, Unipolar or Bipolar, Internal Reference, SSOP-16 Package
Low Input Offset: 75μV/125μV
65mW, Confi gurable Bipolar and Unipolar Input Ranges, 5V Supply
60μA Supply Current, 10ppm/°C, SOT-23 Package
Parallel Output, Programmable MUX and Sequencer, 5V Supply
Parallel Output, Programmable MUX and Sequencer, 3V or 5V Supply
850μA at 250ksps, 2μA at 1ksps, SO-8 and MSOP packages
450μA at 150ksps, 10μA at 1ksps, SO-8 and MSOP packages
6.5mW, Unipolar or Bipolar, Internal Reference, SSOP-16 Package
2mW, Unipolar or Bipolar, Internal Reference, SSOP-16 Package
850μA at 250ksps, 2μA at 1ksps, SO-8 and MSOP Packages
450μA at 150ksps, 10μA at 1ksps, SO-8 and MSOP Packages
14mW at 500ksps, Single 5V Supply, Software Compatible with LTC2308
5V, Internal Reference, 4mm × 4mm QFN Package, Software Compatible with
LTC2302/LTC2306
2LSB INL, 50nA Sleep Current, 60Hz Output Rate, 3mm × 2mm DFN Package
16-/24-Bits, PGA and Temperature Sensor, 15Hz Output Rate, 4mm × 3mm
DFN Packages
16-/24-Bits, PGA and Temperature Sensor, 15Hz Output Rate, 5mm × 7mm
QFN Packages
AV
DD
+
–
10μF
LTC2309
DV
GND
5V
DD
INTERNAL
2.5V REF
0.1μF
AD1 AD0
PORT
I
2
C
SCL
SDA
© LINEAR TECHNOLOGY CORPORATION 2008
2.2μF
0.1μF
1.7k
V
REF
1.7k
(FPGA, CPLD,
2309 TA02
10μF
CONTROL
DSP , ETC)
LOGIC
LT 0208 • PRINTED IN USA
REFCOMP
2309f