AD7634 Analog Devices, AD7634 Datasheet - Page 7

• Manufacturer Part Number: AD7634
• Manufacturer: Analog Devices

Specifications of AD7634

• Resolution (bits): 18bit
• # Chan: 1
• Sample Rate: 670kSPS
• Interface: Byte,Par,Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni
• Ain Range: 10V p-p,20 V p-p,40 V p-p
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

ABSOLUTE MAXIMUM RATINGS
Table 5.
Parameter
Analog Inputs/Outputs
Ground Voltage Differences
Supply Voltages
Digital Inputs
PDREF, PDBUF
Internal Power Dissipation
Internal Power Dissipation
Junction Temperature
Storage Temperature Range
1
2
3
See the Analog Inputs section.
Specification is for the device in free air: 48-lead LFQP; θ
θ
Specification is for the device in free air: 48-lead LFCSP; θ
JC
IN+
REF, REFBUFIN, TEMP,
AGND, DGND, OGND
AVDD, DVDD, OVDD
AVDD to DVDD, AVDD to OVDD
DVDD to OVDD
VCC to AGND, DGND
VEE to GND
= 30°C/W.
REFGND to AGND
1
, IN−
1
to AGND
2
3
Rating
VEE − 0.3 V to VCC + 0.3 V
AVDD + 0.3 V to
AGND − 0.3 V
±0.3 V
−0.3 V to +7 V
±7 V
±7 V
–0.3 V to +16.5 V
+0.3 V to −16.5 V
−0.3 V to OVDD + 0 .3 V
±20 mA
700 mW
2.5 W
125°C
−65°C to +125°C
JA
JA
= 91°C/W,
= 26°C/W.
Rev. A | Page 7 of 32
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.
ESD CAUTION
AD7634