AD7797 Analog Devices, AD7797 Datasheet - Page 7
AD7797
Manufacturer Part Number
AD7797
Description
Low Power 24-Bit Sigma-Delta A/D Converter for Bridge Sensors
Manufacturer
Analog Devices
Datasheet
1.AD7796.pdf
(24 pages)
Specifications of AD7797
Resolution (bits)
24bit
# Chan
1
Sample Rate
n/a
Interface
Ser,SPI
Analog Input Type
Diff-Bip,Diff-Uni
Ain Range
± (Vref/128)
Adc Architecture
Sigma-Delta
Pkg Type
SOP
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ABSOLUTE MAXIMUM RATINGS
T
Table 3.
Parameter
AV
DV
Analog Input Voltage to GND
Reference Input Voltage to GND
Digital Input Voltage to GND
Digital Output Voltage to GND
AIN/Digital Input Current
Operating Temperature Range
Storage Temperature Range
Maximum Junction Temperature
Lead Temperature, Soldering
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
A
Vapor Phase (60 sec)
Infrared (15 sec)
DD
DD
= 25°C, unless otherwise noted.
to GND
to GND
Rating
−0.3 V to +7 V
−0.3 V to +7 V
−0.3 V to AV
−0.3 V to AV
−0.3 V to DV
−0.3 V to DV
10 mA
−40°C to +85°C
−65°C to +150°C
150°C
215°C
220°C
DD
DD
DD
DD
+ 0.3 V
+ 0.3 V
+ 0.3 V
+ 0.3 V
Rev. A | Page 7 of 24
THERMAL RESISTANCE
θ
soldered in a circuit board for surface-mount packages.
Table 4.
Package Type
TSSOP
ESD CAUTION
JA
is specified for the worst-case conditions, that is, a device
θ
128
JA
AD7796/AD7797
θ
14
JC
Unit
°C/W