4

ADS7861

®

MINIMUM

RELATIVE

MAXIMUM

SPECIFICATION

PACKAGE

ACCURACY

GAIN ERROR

TEMPERATURE

DRAWING

ORDERING

TRANSPORT

PRODUCT

(LSB)

(%)

RANGE

PACKAGE

MEDIA

ADS7861E

±2

±0.75

–40

°C to +85°C

24-Lead SSOP

352

ADS7861E

Rails

"

"

"

"

"

"

ADS7861EB/2K5

Tape and Reel

ADS7861EB

±1

±0.5

–40

°C to +85°C

24-Lead SSOP

352

ADS7861E

Rails

"

"

"

"

"

"

ADS7861EB/2K5

Tape and Reel

NOTES: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix C of Burr-Brown IC Data Book. (2) Models with a slash (/) are

available only in Tape and Reel in the quantities indicated (e.g., /2K indicates 2000 devices per reel). Ordering 2000 pieces of “ADS7861E/2K” will get a single 2000-

piece Tape and Reel. For detailed Tape and Reel mechanical information, refer to Appendix B of Burr-Brown IC Data Book.

PACKAGE/ORDERING INFORMATION

BASIC CIRCUIT CONFIGURATION

M0

M1

A0

TWO-CHANNEL/FOUR-CHANNEL OPERATION

DATA ON SERIAL OUTPUTS

CHANNELS CONVERTED

0

0

0

Two Channel

A and B

A0, B0

0

0

1

Two Channel

A and B

A1, B1

0

1

0

Two Channel

A Only

A0, B0

0

1

1

Two Channel

A Only

A1, B1

1

0

X

Four Channel

A and B

Sequential

1

1

X

Four Channel

A Only

Sequential

X = Don’t Care.

TRUTH TABLE

DGND

CH B1+

CH B1–

CH B0+

CH B0–

CH A1+

CH A1–

CH A0+

CH A0–

REF

IN

REF

OUT

AGND

1

2

3

4

5

6

7

8

9

10

11

12

24

23

22

21

20

19

18

17

16

15

14

13

+V

D

SERIAL DATA A

SERIAL DATA B

BUSY

CLOCK

CS

RD

CONVST

A0

M0

M1

+V

A

BUSY Output

Clock Input

Chip Select

Read Input

Conversion Start

A0 Address Select

M0 Address Select

M1 Address Select

ADS7861

10

µF

+

0.1

µF

+5V Analog Supply

+