ADS8515IBDBR datasheet(4/23 Pages) TI1

Teilenummer	ADS8515IBDBR

Bauteilbeschribung	16-Bit 250-kSPS Sampling CMOS ANALOG-TO-DIGITAL CONVERTER

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VDIG

VANA

BUSY

CS

R/C

BYTE

D0 (LSB)

D1

D2

D3

D4

D5

D6

D7

VIN

AGND1

REF

CAP

AGND2

D15 (MSB)

D14

D13

D12

D11

D10

D9

D8

DGND

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

ADS8515

SLAS460D – JUNE 2007 – REVISED SEPTEMBER 2010

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

At TA = –40°C to 85°C, fs = 250 kHz, VDIG = VANA = 5 V, and using internal reference (unless otherwise noted).

ADS8515I

ADS8515IB

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

MIN

TYP

MAX

Data format (parallel 16 bits)

Data coding (binary twos complement)

VOL

Low-level output voltage

ISINK = 1.6 mA

0.4

V

VOH

High-level output voltage

ISOURCE = 500 mA

0.8×VDIG

V

Leakage current

Hi-Z state, VOUT = 0 V to VDIG

±5

mA

Output capacitance

Hi-Z state

15

pF

DIGITAL TIMING

Bus access timing

83

ns

Bus relinquish timing

83

ns

POWER SUPPLIES

VDIG

Digital input voltage

1.65

5.25

1.65

5.25

V

VANA

Analog input voltage

4.75

5

5.25

4.75

5

5.25

V

Must be

≤ VANA

IDIG

Digital input current

0.1

1

0.1

1

mA

IANA

Analog input current

20

25

20

25

mA

Power dissipation

fS = 250 kHz

100

125

100

125

mW

TEMPERATURE RANGE

Specified performance

–40

+85

–40

+85

°C

Derated performance

(8)

–55

+125

–55

+125

°C

Storage

–65

+150

–65

+150

°C

THERMAL RESISTANCE (

ΘJA)

SSOP

67

°C/W

(8)

The internal reference may not be started correctly beyond the industrial temperature range (–40°C to +85°C); therefore, use of an

external reference is recommended.

PIN CONFIGURATION

DB PACKAGE

SSOP-28

(TOP VIEW)

4

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