LTC2301/LTC2305

24

23015f

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

© LINEAR TECHNOLOGY CORPORATION 2008

LT 0808 • PRINTED IN USA

RELATED PARTS

TYPICAL APPLICATION

PART NUMBER

DESCRIPTION

COMMENTS

LTC1417

14-Bit, 400ksps Serial ADC

20mW, Unipolar or Bipolar, Internal Reference, SSOP-16 Package

LTC1468/LT1469

Single/Dual 90MHz, 22V/μs, 16-Bit Accurate Op Amps Low Input Offset: 75μV/125μV

LTC1609

16-Bit, 200ksps Serial ADC

65mW, Configurable Bipolar and Unipolar Input Ranges, 5V Supply

LTC1790

Micropower Low Dropout Reference

60μA Supply 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

LTC2302/LTC2306

12-Bit, 1-/2-Channel 500ksps SPI ADCs in

3mm × 3mm DFN

14mW at 500ksps, Single 5V Supply, Software Compatible with LTC2308

LTC2308

12-Bit, 8-Channel 500ksps SPI ADC

5V, Internal Reference, 4mm × 4mm QFN Package, Software Compatible

with LTC2302/LTC2306

LTC2309

5V, Internal Reference, 4mm × 4mm QFN and 20-Pin TSSOP Packages,

Software Compatible with LTC2301/LTC2305

LTC2451/LTC2453

2 LSB INL, 50nA Sleep Current, 60Hz Output Rate, 3mm × 2mm DFN

Package, Single-Ended/Differential Inputs

LTC2487/LTC2489/

LTC2493

16-/24-Bits, PGA and Temp Sensor, 4mm × 3mm DFN Packages

LTC2495/LTC2497/

LTC2499

16-/24-Bits, PGA and Temp Sensor, 5mm × 7mm QFN Packages

Driving the LTC2305 with ±10V Input Signals Using a Precision Attenuator

23015 TA02

PORT

ANALOG

INPUT

MUX

REFCOMP

CONTROL

LOGIC

(FPGA, CPLD,

DSP, ETC)

INTERNAL

2.5V REF

5V

10V

–10V

±10V

INPUT

SIGNAL

GND

LTC2305

0.1μF

12-BIT

SAR ADC

+

–

2.2μF

10μF

0.1μF

10μF

1μF

0.1μF

47pF

7

45

6

8

1

9

10

100Ω

450k

LT1790-2.5

5V

IN

OUT

GND

50k

150k

450k

150k

450k

4pF

SDA

SCL

1.7k

1.7k

AD1 AD0

CH0

CH0

CH1

450k

4pF

3

2

50k

LT1991