AD822 datasheet(10/24 Pages) AD

10 / 24 page

AD822

Data Sheet

Rev. J | Page 10 of 24

ABSOLUTE MAXIMUM RATINGS

Table 4.

Parameter

Rating

Supply Voltage

±18 V

Internal Power Dissipation

8-Lead PDIP (N)

Observe derating curves

8-Lead SOIC_N (R)

Observe derating curves

8-Lead MSOP (RM)

Observe derating curves

Input Voltage1

((V+) + 0.2 V) to

((V−) − 20 V)

Output Short-Circuit Duration

Indefinite

Differential Input Voltage

±30 V

Storage Temperature Range (N)

–65°C to +125°C

Storage Temperature Range (R, RM)

–65°C to +150°C

Operating Temperature Range

A Grade and B Grade

–40°C to +85°C

Lead Temperature

(Soldering, 60 sec)

260°C

1 See the Input Characteristics section.

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, that is, a device

soldered in a circuit board for surface-mount packages.

Table 5. Thermal Resistance

Package Type

θJA

Unit

8-lead PDIP (N)

°C/W

8-lead SOIC_N (R)

160

°C/W

8-lead MSOP (RM)

190

°C/W

MAXIMUM POWER DISSIPATION

The maximum power that can be safely dissipated by the AD822 is

limited by the associated rise in junction temperature. For plastic

packages, the maximum safe junction temperature is 145°C. If

these maximums are exceeded momentarily, proper circuit

operation is restored as soon as the die temperature is reduced.

Leaving the device in the overheated condition for an extended

period can result in device burnout. To ensure proper operation, it

is important to observe the derating curves shown in Figure 27.

While the AD822 is internally short-circuit protected, this may not

be sufficient to guarantee that the maximum junction temperature

is not exceeded under all conditions. With power supplies ±12 V or

less at an ambient temperature of 25°C or less, if the output node is

shorted to a supply rail, then the amplifier is not destroyed, even if

this condition persists for an extended period.

ESD CAUTION

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