AD8194ACPZ-R7 datasheet(4/16 Pages) AD

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AD8194

Data Sheet

Rev. A | Page 4 of 16

ABSOLUTE MAXIMUM RATINGS

Table 2.

Parameter

Rating

AVCC to AVEE

3.7 V

VTTI

AVCC + 0.6 V

VTTO

AVCC + 0.6 V

Internal Power Dissipation

1.2 W

High Speed Input Voltage

AVCC − 1.4 V < VIN < AVCC + 0.6 V

High Speed Differential

Input Voltage

2.0 V

Source Select (S_SEL)

AVEE − 0.3 V < VIN < AVCC + 0.6 V

Storage Temperature Range

−65°C to +125°C

Operating Temperature

Range

−40°C to +85°C

Junction Temperature

150°C

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.

THERMAL RESISTANCE

θJA is specified for the worst-case conditions: a device soldered

in a 4-layer JEDEC circuit board for surface-mount packages.

θJC is specified for the exposed pad soldered to the circuit board

with no airflow.

Table 3. Thermal Resistance

Package Type

θJA

θJC

Unit

32-Lead LFCSP

6.8

°C/W

MAXIMUM POWER DISSIPATION

The maximum power that can be safely dissipated by the

AD8194 is limited by the associated rise in junction tempera-

ture. The maximum safe junction temperature for plastic

encapsulated devices is determined by the glass transition

temperature of the plastic, approximately 150°C. Temporarily

exceeding this limit may cause a shift in parametric performance

due to a change in the stresses exerted on the die by the package.

Exceeding a junction temperature of 175°C for an extended

period can result in device failure. To ensure proper operation,

it is necessary to observe the maximum power derating as

determined by the coefficients in Table 3.

ESD CAUTION

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