ADS8864IDRCR datasheet(7/45 Pages) TI1

Numer części	ADS8864IDRCR

Szczegółowy opis	16-Bit 400-kSPS Serial Interface microPower Miniature Single-Ended Input SAR Analog-to-Digital Converter

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1

2

15

16

CONVST

SCLK

DOUT 2

tsu-CK-CNV

17

18

31

32

D15

D1

D0

D15

D14

D1

D0

DOUT 1,

DIN 2

D15

D14

D1

D0

1/fsample

tACQ

tconv-

max

th-CK-CNV

Device 2 Data

Device 1 Data

DIN 1 = LOW

tsu-DI-CK

ADS8864

www.ti.com

SBAS572A – MAY 2013 – REVISED DECEMBER 2013

DAISY-CHAIN OPERATION

Figure 3. Daisy-Chain Operation: Two Devices

NOTE

Figure 3 shows the timing diagram for the Daisy-Chain Mode Without a Busy Indicator

interface option. However, the timing parameters specified in Table 3 are also applicable

for the Daisy-Chain Mode With a Busy Indicator interface option, unless otherwise

specified. Refer to the Digital Interface section for specific details for each interface option.

Table 3. TIMING REQUIREMENTS: Daisy-Chain(1)

PARAMETER

MIN

TYP

MAX

UNIT

tACQ

Acquisition time

1200

ns

tconv

Conversion time

500

1300

ns

1/fsample

Time between conversions

2500

ns

tsu-CK-CNV

Setup time: SCLK valid to CONVST rising edge

5

ns

th-CK-CNV

Hold time: SCLK valid from CONVST rising edge

5

ns

tsu-DI-CNV

Setup time: DIN low to CONVST rising edge (see )

7.5

ns

th-DI-CNV

Hold time: DIN low from CONVST rising edge (see Figure 61)

0

ns

tsu-DI-CK

Setup time: DIN valid to SCLK falling edge

1.5

ns

(1)

All specifications are at TA = –40°C to +85°C, AVDD = 3 V, and DVDD = 3 V, unless otherwise noted.

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Podobny numer części - ADS8864IDRCR

Producent	Numer części	Arkusz danych	Szczegółowy opis
Texas Instruments	ADS8864IDRCR	1Mb / 46P	[Old version datasheet] 16-Bit, 400-kSPS, Serial Interface, microPower, Miniature, Single-Ended Input, SAR Analog-to-Digital Converter

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Podobny opis - ADS8864IDRCR

Producent	Numer części	Arkusz danych	Szczegółowy opis
Texas Instruments	ADS8864	1Mb / 46P	[Old version datasheet] 16-Bit, 400-kSPS, Serial Interface, microPower, Miniature, Single-Ended Input, SAR Analog-to-Digital Converter
	ADS8866	1Mb / 42P	[Old version datasheet] 16-Bit, 100-kSPS, Serial Interface, microPower, Miniature Single-Ended Input, SAR Analog-to-Digital Converter
	ADS8862	1Mb / 46P	[Old version datasheet] 16-Bit, 680-kSPS, Serial Interface, microPower, Miniature Single-Ended Input, SAR Analog-to-Digital Converter
	ADS8865	1Mb / 49P	[Old version datasheet] 16-Bit, 400-kSPS, Serial Interface, microPower, Miniature, True-Differential Input, SAR Analog-to-Digital Converter
	ADS8318	1Mb / 28P	[Old version datasheet] 16-BIT, 500-KSPS, SERIAL INTERFACE MICROPOWER, MINIATURE, SAR ANALOG-TO-DIGITAL CONVERTER
	ADS8319	1Mb / 30P	[Old version datasheet] 16-BIT, 500-KSPS, SERIAL INTERFACE MICROPOWER, MINIATURE, SAR ANALOG-TO-DIGITAL CONVERTER
	ADS8318	1Mb / 35P	[Old version datasheet] 16-BIT, 500-KSPS, SERIAL INTERFACE MICROPOWER, MINIATURE SAR ANALOG-TO-DIGITAL CONVERTER
	ADS8319	1Mb / 36P	[Old version datasheet] 16-BIT, 500-KSPS, SERIAL INTERFACE MICROPOWER, MINIATURE, SAR ANALOG-TO-DIGITAL CONVERTER
	ADS8885	1Mb / 49P	[Old version datasheet] 18-Bit, 400-kSPS, Serial Interface, microPower, Miniature, True-Differential Input, SAR Analog-to-Digital Converter
	ADS8860	1Mb / 46P	[Old version datasheet] 16-Bit, 1-MSPS, Serial Interface, microPower, Miniature Single-Ended Input, SAR Analog-to-Digital Converter

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