AD7653ACPZ datasheet(8/27 Pages) AD

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Data Sheet

AD7653

Rev. C | Page 7 of 26

ABSOLUTE MAXIMUM RATINGS

Table 5. AD7653 Absolute Maximum Ratings

Parameter

Rating

IN1, TEMP1,REF, REFBUFIN,

INGND, REFGND to AGND

AVDD + 0.3 V to

AGND – 0.3 V

Ground Voltage Differences

AGND, DGND, OGND

±0.3 V

Supply Voltages

AVDD, DVDD, OVDD

–0.3 V to +7 V

AVDD to DVDD, AVDD to OVDD

±7 V

DVDD to OVDD

–0.3 V to +7 V

Digital Inputs

–0.3 V to DVDD + 0.3 V

PDREF, PDBUF2

±20 mA

Internal Power Dissipation3

700 mW

Internal Power Dissipation4

2.5 W

Junction Temperature

150°C

Storage Temperature Range

–65°C to +150°C

Lead Temperature Range

(Soldering 10 sec)

300°C

See Analog Input section.

See Voltage Reference Input section.

Specification is for the device in free air:

48-Lead LQFP; θJA = 91°C/W, θJC = 30°C/W

Specification is for the device in free air:

48-Lead LFCSP; θJA = 26°C/W.

Stresses at or above those listed under Absolute Maximum

Ratings may cause permanent damage to the product. This is a

stress rating only; functional operation of the product at these

or any other conditions above those indicated in the operational

section of this specification is not implied. Operation beyond

the maximum operating conditions for extended periods may

affect product reliability.

IOH

500µA

1.6mA

IOL

TO OUTPUT

1.4V

60pF*

*IN SERIAL INTERFACE MODES,THE SYNC, SCLK, AND

SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD

CL OF 10pF; OTHERWISE,THE LOAD IS 60pF MAXIMUM.

02966-0-006

Figure 2. Load Circuit for Digital Interface Timing,

SDOUT, SYNC, SCLK Outputs CL = 10 pF

0.8V

tDELAY

02966-0-007

Figure 3. Voltage Reference Levels for Timing

ESD CAUTION

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