AD7849CNZ datasheet(6/20 Pages) AD

Nome de Peças	AD7849CNZ

Descrição Electrónicos	Serial Input, 14-Bit/16-Bit DAC

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Fabricante Electrônico	AD [Analog Devices]

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AD7849

Rev. C | Page 6 of 20

ABSOLUTE MAXIMUM RATINGS

TA = 25°C, unless otherwise noted.

Table 5.

Parameter

Rating

VDD to DGND

−0.4 V to +17 V

VCC to DGND1

−0.4 V, VDD + 0.4 V or

+7 V (whichever is

lower)

VSS to DGND

−0.4 V to −17 V

VREF+ to DGND

VDD + 0.4 V, VSS − 0.4 V

VREF− to DGND

VDD + 0.4 V, VSS − 0.4 V

VOUT to DGND2

VDD + 0.4 V, VSS − 0.4 V

or ±10 V (whichever is

lower)

ROFS to DGND

VDD + 0.4 V, VSS − 0.4 V

Digital Input Voltage to DGND

−0.4 V to VCC + 0.4 V

Input Current to any Pin Except Supplies3

±10 mA

Operating Temperature Range

−40°C to +85°C

Storage Temperature Range

−65°C to +150°C

Junction Temperature

150°C

20-Lead PDIP

Power Dissipation

875 mW

θJA Thermal Impedance

102°C/W

Lead Temperature (Soldering, 10 sec)

260°C

20-Lead SOIC

Power Dissipation

875 mW

θJA Thermal Impedance

74°C/W

Lead Temperature, Soldering

Vapor Phase (60 sec)

215°C

Infrared (15 sec)

220°C

1 VCC must not exceed VDD by more than 0.4 V. If it is possible for this to

happen during power-up or power-down (for example, if VCC is greater than

0.4 V while VDD is still 0 V), the following diode protection scheme ensures

protection.

SD103C

1N5711

1N5712

1N4148

VDD

VCC

VDD

VCC

AD7849

2 VOUT can be shorted to DGND, + 10 V, − 10 V, provided that the power

dissipation of the package is not exceeded.

3 Transient currents of up to 100 mA do not cause SCR latch-up.

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.

ESD CAUTION

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