TLV2544CPWR datasheet(15/49 Pages) TI1

부품명	TLV2544CPWR

상세설명	2.7 V TO 5.5 V, 12-BIT, 200 KSPS, 4/8 CHANNEL, LOW POWER, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN

PDF	49 Pages

Scroll/Zoom	100%

제조업체	TI1 [Texas Instruments]

홈페이지	http://www.ti.com

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15 / 49 page

TLV2544, TLV2548

2.7V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER

SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN

SLAS198E − FEBRUARY 1999 − REVISED JUNE 2003

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

conversion cycles (continued)

CSTART

SDI

INT

EOC

SDO

Hi-Z

Select/Read

Cycle

Select/Read

Cycle

t(sample )

t(conv)

†

Previous Conversion

Result

Previous Conversion

Result

Hi-Z

Device Going Into

Extended Sampling Mode

Device Get Out

Extended Sampling

Mode

Read

Cycle

†

Normal

Cycle

† This is one of the single shot commands. Conversion starts on next rising edge of CSTART.

Figure 9. Mode 00 Single Shot/Extended Sampling (FS Signal Used, FS Pin Connected to TMS320 DSP)

modes using the FIFO: modes 01, 10, 11 timing

CSTART

SDI

INT

SDO

Hi-Z

From Channel 2

†

‡‡

‡

Hi-Z

Configure

Select

Conversion #1

Select

Conversion #4

Read FIFO

Top of FIFO

From Channel 2

† Command = Configure write for mode 01, FIFO threshold = 1/2

‡ Command = Read FIFO, first FIFO read

§ Command = Select ch2.

¶ Use any channel select command to trigger SDI input.

Figure 10. TLV2544/TLV2548 Mode 01 DSP Serial Interface (Conversions Triggered by FS)

TLV2544CPWR 데이터시트(PDF) 15 Page - Texas Instruments

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