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AD7849BN Folha de dados(PDF) 4 Page - Analog Devices

Nome de Peças AD7849BN
Descrição Electrónicos  Serial Input, 14-Bit/16-Bit DAC
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

AD7849BN Folha de dados(HTML) 4 Page - Analog Devices

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REV. B
–4–
AD7849
ABSOLUTE MAXIMUM RATINGS
1
(TA = +25
°C unless otherwise noted)
VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.4 V to +17 V
VCC to DGND
2
. . . . . . . . . . . . . . . . . . –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 DGND
3
. . . . . . . . . . . . . . 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 Supplies
4
. . . . . . . . .
±10 mA
Operating Temperature Range
Commercial/Industrial (A, B, C Versions). . . . –40
°C to +85°C
Extended (T Version) . . . . . . . . . . . . . . . . –55
°C to +125°C
Storage Temperature Range . . . . . . . . . . . . . –65
°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . +150
°C
Plastic DIP Package, Power Dissipation . . . . . . . . . . . 875 mW
θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 102°C/W
Lead Temperature (Soldering, 10 secs) . . . . . . . . . . +260
°C
SOP Package, Power Dissipation . . . . . . . . . . . . . . . . . 875 mW
θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 74°C/W
Lead Temperature, Soldering
Vapor Phase (60 secs) . . . . . . . . . . . . . . . . . . . . . . +215
°C
Infrared (15 secs) . . . . . . . . . . . . . . . . . . . . . . . . . +220
°C
Cerdip Package, Power Dissipation . . . . . . . . . . . . . . . 875 mW
θ
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 71
°C/W
Lead Temperature, Soldering (Soldering 10 secs) . . . 260
°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational sections
of this specification is not implied.
Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2V
CC 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 will ensure protection.
SD103C
1N5711
1N5712
1N4148
VDD
VCC
VDD
VCC
AD7849
3V
OUT may be shorted to DGND, +10 V, –10 V, provided that the power dissipation
of the package is not exceeded.
4Transient currents of up to 100 mA will not cause SCR latch-up.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD7849 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
ORDERING GUIDE
Temperature
Resolution
Bipolar
Package
Model
Range
(Bits)
INL (LSBs)
Option
*
AD7849AN
–40
°C to +85°C14
±3
N-20
AD7849BN
–40
°C to +85°C16
±8
N-20
AD7849CN
–40
°C to +85°C16
±4
N-20
AD7849AR
–40
°C to +85°C14
±3
R-20
AD7849BR
–40
°C to +85°C16
±8
R-20
AD7849CR
–40
°C to +85°C16
±4
R-20
AD7849TQ
–55
°C to +125°C16
±8
Q-20
*N = Plastic DIP; R = SOP (Small Outline Package); Q = Cerdip.
PIN CONFIGURATION
14
13
12
11
17
16
15
20
19
18
10
9
8
1
2
3
4
7
6
5
TOP VIEW
(Not to Scale)
AD7849
NC = NO CONNECT
VREF+
VDD
NC
VOUT
ROFS
VREF–
VSS
SYNC
RSTIN
RSTOUT
AGND
SCLK
VCC
SDOUT
DCEN
BIN/COMP
DGND
LDAC
SDIN
CLR
WARNING!
ESD SENSITIVE DEVICE


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