Datasheet Analog Devices AD7992 — 数据表

2-Channel, 12-Bit ADC with I2C-Compatible
Interface in 10-Lead MSOP
AD7992
FUNCTIONAL BLOCK DIAGRAM FEATURES GND CONVST AD7992
VIN1 I/P
MUX VIN2/REFIN
VDD 12-BIT SUCCESSIVE
APPROXIMATION
ADC T/H CONTROL
LOGIC VIN2/REFIN
SOFTWARE
CONTROL
HYSTERESIS
REGISTER CH0 DATAHIGH LIMIT
REGISTER CH1
DATALOW LIMIT
REGISTER CH1
DATAHIGH LIMIT
REGISTER CH2 HYSTERESIS
REGISTER CH1
DATALOW LIMIT
REGISTER CH2 CONVERSION
RESULT …

2 Channel, 12-Bit ADC with I2C
Compatible Interface in 10-Lead MSOP
AD7992 a
Errata Sheet Please be advised that it was necessary to change the pin-out diagram for the AD7992 ADC. Please discard any
pin-out information from AD7992 data sheets up to and including Rev PrF.
Packaged material may be identified by the date code; parts with date code 0321 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
shown below. CONVST 1 AGND 2 VDD 10 SCL
9 SDA 3 AD7992
TOP VIEW 8 ALERT VIN2 / REFIN 4 (Not to Scale) 7 AGND VIN1 5 6 AS 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 …