AD822ARMZ datasheet(10/24 Pages) AD

10 / 24 page

AD822

Rev. I | 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 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.

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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