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AD7393AR Datasheet(PDF) 4 Page - Analog Devices

Part # AD7393AR
Description  3 V, Parallel Input Micropower 10- and 12-Bit DACs
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7393AR Datasheet(HTML) 4 Page - Analog Devices

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AD7392/AD7393
–4–
REV. A
PIN CONFIGURATIONS
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)
AD7392
VREF
VOUT
AGND
DGND
D11
D10
D9
D8
D7
D6
VDD
SHDN
CS
RS
D0
D1
D2
D3
D4
D5
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)
AD7393
VREF
VOUT
AGND
DGND
D9
D8
D7
D6
D5
D4
VDD
SHDN
CS
RS
NC
NC
D0
D1
D2
D3
NC = NO CONNECT
PIN DESCRIPTION
#
Name
Function
1VDD
Positive Power Supply Input. Specified range
of operation +2.7 V to +5.5 V.
2
SHDN
Power Shutdown active low input. DAC regis-
ter contents are saved as long as power stays on
the VDD pin. When SHDN = 0, CS strobes will
write new data into the DAC register.
3
CS
Chip Select latch enable, active low.
4
RS
Resets DAC register to zero condition. Asyn-
chronous active low input.
5, 6 NC
No connect Pins 5 and 6 on the AD7393.
17
DGND
Digital Ground.
18
AGND
Analog Ground.
19
VOUT
DAC Voltage Output.
20
VREFIN
DAC Reference Input Pin. Establishes DAC
full-scale voltage.
D0–D11 12 parallel input data bits. D11 = MSB Pin 16,
D0 = LSB Pin 5, AD7392.
D0–D9
10 parallel input data bits. D9 = MSB. Pin 16,
D0 = LSB Pin 7, AD7393.
ORDERING GUIDE
Res
Package
Package
Model
(LSB)
Temp
Description
Option
AD7392AN
12
XIND
20-Lead P-DIP
N-20
AD7392AR
12
XIND
20-Lead SOIC
R-20
AD7393AN
10
XIND
20-Lead P-DIP
N-20
AD7393AR
10
AUTO
20-Lead SOIC
R-20
AD7393ARU 10
XIND
TSSOP-20
RU-20
NOTES
XIND = –40
°C to +85°C; AUTO = –40°C to +125°C.
The AD7392 contains 709 transistors. The die size measures 78 mil
× 85 mil =
6630 sq. mil.
ABSOLUTE MAXIMUM RATINGS*
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, +8 V
VREF to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, VDD
Logic Inputs to GND . . . . . . . . . . . . . . . . . . . . . –0.3 V, +8 V
VOUT to GND . . . . . . . . . . . . . . . . . . . . . –0.3 V, VDD + 0.3 V
IOUT Short Circuit to GND . . . . . . . . . . . . . . . . . . . . . 50 mA
DGND to AGND . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, +2 V
Package Power Dissipation . . . . . . . . . . . . . (TJ max – TA)/
θ
JA
Thermal Resistance
θ
JA
20-Lead Plastic DIP Package (N-20) . . . . . . . . . . . 57
°C/W
20-Lead SOIC Package (R-20) . . . . . . . . . . . . . . . . 60
°C/W
20-Lead Thin-Shrink Surface Mount (RU-20) . . . 155
°C/W
Maximum Junction Temperature (TJ max) . . . . . . . . . . 150
°C
Operating Temperature Range . . . . . . . . . . . –40
°C to +85°C
AD7393AR . . . . . . . . . . . . . . . . . . . . . . . . . –40
°C to +125°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature
N-20 (Soldering, 10 sec) . . . . . . . . . . . . . . . . . . . . . +300
°C
R-20 (Vapor Phase, 60 sec) . . . . . . . . . . . . . . . . . . .+215
°C
RU-20 (Infrared, 15 sec) . . . . . . . . . . . . . . . . . . . . . +220
°C
*Stresses 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 indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
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 AD7392/AD7393 feature 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.
CS
DB11–DB0
RS
VOUT
tCS
DATA VALID
1
0
0
0
1
1
FS
ZS
tDS
tDH
tRS
0.1% FS
ERROR BAND
tS
tS
Figure 3. Timing Diagram
DBX
CS
RS
TO
INTERNAL
DAC
SWITCHES
1 OF 12 LATCHES
OF THE
DAC REGISTER
Figure 4. Digital Control Logic
WARNING!
ESD SENSITIVE DEVICE


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