ANALOG DEVICES AD7998, AD7997 Service Manual
8 Channel, 12-/10-Bit ADCs with I2C
a
Errata Sheet
Compatible Interface in 20- Lead TSSOP
AD7998/AD7997
Please be advised that it was necessary to change the pin-out diagram for the AD7998/AD7997 ADCs. Please
discard any pin-out information from AD7998/AD7997 data sheets up to and including Rev PrD.
Packaged material may be identified by the date code; parts with date code 0312 have the old pin-out and will be
no longer manufactured. All other date-coded material will be manufactured according to the new pin-out diagram
which is shown below.
AGND
V
AGND
AGND
V
REF
V
V
V
V
1
2
AD7998
DD
3
4
TOP VIEW
5
DD
(Not to Scale)
6
IN
7
IN1
8
IN3
9
IN5
10
IN7
20
19
18
17
16
15
14
13
12
11
AGND
SCL
SDA
ALERT
CONVST
AS
V
IN2
V
IN4
V
IN6
V
IN8
REV. A Sept 2003
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703 Analog Devices, Inc., 2003
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