AD7674ASTZRL Analog Devices Inc, AD7674ASTZRL Datasheet - Page 7

• Manufacturer Part Number: AD7674ASTZRL
• Description: IC,A/D CONVERTER,SINGLE,18-BIT,CMOS,QFP,48PIN
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7674ASTZRL

• Number Of Bits: 18
• Sampling Rate (per Second): 800k
• Data Interface: Serial, Parallel
• Number Of Converters: 1
• Power Dissipation (max): 138mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7674CBZ - BOARD EVALUATION FOR AD7674
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
Table 5. AD7674 Absolute Maximum Ratings
Parameter
Analog Inputs
Ground Voltage Differences
Supply Voltages
Internal Power Dissipation
Internal Power Dissipation
Junction Temperature
Storage Temperature Range
Lead Temperature Range
1
2
3
4
Stresses above those listed under Absolute Maximum Ratings may cause
See Analog Input section.
Specification is for device in free air: 48-Lead LQFP: θ
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.
θ
Specification is for device in free air: 48-Lead LFCSP: θ
JC
IN+
AGND, DGND, OGND
AVDD, DVDD, OVDD
AVDD to DVDD, AVDD to OVDD
DVDD to OVDD
Digital Inputs
(Soldering 10 sec)
= 30°C/W.
REFGND to AGND
2
, IN–
2
, REF, REFBUFIN,
3
4
Rating
AGND – 0.3 V to
AVDD + 0.3 V
±0.3 V
–0.3 V to +7 V
±7 V
–0.3 V to +7 V
–0.3 V to DVDD + 0.3 V
700 mW
2.5 W
150°C
–65°C to +150°C
300°C
JA
JA
= 91°C/W,
= 26°C/W.
1
Rev. A | Page 7 of 28
ESD CAUTION
Figure 2. Load Circuit for Digital Interface Timing, SDOUT, SYNC, SCLK
TO OUTPUT
NOTE
1
t
DELAY
IN SERIAL INTERFACE MODES,THE SYNC, SCLK, AND
SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD
C
0.8V
L
OF 10pF; OTHERWISE,THE LOAD IS 60pF MAXIMUM.
Figure 3. Voltage Reference Levels for Timing
PIN
60pF
C
L
1
2V
0.8V
Outputs, C
500μA
1.6mA
I
I
L
OL
OH
= 10 pF
2V
1.4V
t
DELAY
2V
0.8V
03083–0–002
03083–0–003
AD7674