Datasheet > LTC1594L_15

LTC1594L_15

更新时间： 2024-11-08 01:19:59

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
24页	366K
描述
4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters

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中文翻译

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LTC1594L_15 数据手册

LTC1594L/LTC1598L

4- and 8-Channel,

3V Micropower Sampling

12-Bit Serial I/O A/D Converters

FEATURES

DESCRIPTIO

The LTC^®1594L/LTC1598L are 3V micropower, 12-bit

sampling A/D converters that feature 4- and 8-channel

multiplexers,respectively.Theytypicallydrawonly160µA

of supply current when converting and automatically

power down to a typical supply current of 1nA between

conversions. The LTC1594L is available in a 16-pin SO

package and the LTC1598L is packaged in a 24-pin

SSOP.Bothoperateona3Vsupply.The12-bit,switched-

capacitor, successive approximation ADCs include a

sample-and-hold.

■

12-Bit Resolution on 3V Supply

■

Low Supply Current: 160µA Typ

■

Auto Shutdown to 1nA

■

Guaranteed ±3/4LSB Max DNL

■

Guaranteed 2.7V Operation

(5V Versions Available: LTC1594/LTC1598)

■

Multiplexer: 4-Channel MUX (LTC1594L)

8-Channel MUX (LTC1598L)

■

Separate MUX Output and ADC Input Pins

■

MUX and ADC May Be Controlled Separately

■

Sampling Rate: 10.5ksps

On-chip serial ports allow efficient data transfer to a wide

I/O Compatible with QSPI, SPI and MICROWIRE^TM, etc.

Small Package: 16-Pin Narrow SO (LTC1594L)

■

rangeofmicroprocessorsandmicrocontrollersoverthree

or four wires. This, coupled with micropower consump-

tion, makes remote location possible and facilitates trans-

mitting data through isolation barriers.

■

24-Pin SSOP (LTC1598L)

APPLICATIO S

The circuit can be used in ratiometric applications or with

an external reference. The high impedance analog inputs

and the ability to operate with reduced spans (to 1.5V full

scale) allow direct connection to sensors and transducers

in many applications, eliminating the need for gain stages.

■

Pen Screen Digitizing

■

Battery-Operated Systems

■

Remote Data Acquisition

■

Isolated Data Acquisition

■

Battery Monitoring

, LTC and LT are registered trademarks of Linear Technology Corporation.

MICROWIRE is a trademark of National Semiconductor Corporation.

■

Temperature Measurement

TYPICAL APPLICATION

12µW, 8-Channel, 12-Bit ADC Samples at 200Hz and Runs Off a 3V Supply

OPTIONAL

ADC FILTER

Supply Current vs Sample Rate

1µF

1000

100

= 25°C

= 2.7V

REF

CLK

MUXOUT

ADCIN

15, 19

1µF

= 2.5V

= 200kHz

REF

20 CH0

21 CH1

22 CH2

23 CH3

24 CH4

SERIAL DATA LINK

MICROWIRE AND

SPI COMPATABLE

CSADC

CSMUX

CLK

ANALOG

INPUTS

0V TO 3V

RANGE

5, 14

12-BIT

SAMPLING

ADC

8-CHANNEL

MUX

MPU

CH5

CH6

CH7

OUT

–

LTC1598L

COM

GND

4, 9

0.1

100

1594L/98L TA01

SAMPLE FREQUENCY (kHz)

1594L/98L TA02

15948lfb

12 3 4 5 6 7...24

中文翻译

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与LTC1594L_15相关器件

型号	品牌	获取价格	描述	数据表
LTC1594LCS	Linear	获取价格	4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters
LTC1594LCS#PBF	Linear	获取价格	LTC1594L - 4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters; Pack
LTC1594LCS#TR	Linear	获取价格	LTC1594L - 4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters; Pack
LTC1594LCS#TRPBF	Linear	获取价格	LTC1594L - 4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters; Pack
LTC1594LIS	Linear	获取价格	4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters
LTC1594LIS#PBF	Linear	获取价格	LTC1594L - 4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters; Pack
LTC1594LIS#TRPBF	Linear	获取价格	LTC1594L - 4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters; Pack
LTC1594LS16	Linear	获取价格	IC 4-CH 12-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PDSO16, SO-16, Analog to Digital Con
LTC1594LS16#TR	Linear	获取价格	IC 4-CH 12-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PDSO16, SO-16, Analog to Digital Con
LTC1595	Linear	获取价格	Serial 16-Bit Multiplying DACs

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