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AD7396ANADN/a10avai3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7396ARADN/a2avai3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7397ARADIN/a8avai3 V, Parallel Input Dual 12-Bit /10-Bit DACs
AD7397ARUADIN/a6avai3 V, Parallel Input Dual 12-Bit /10-Bit DACs


AD7396AN ,3 V, Parallel Input Dual 12-Bit /10-Bit DACsapplications in a thin 1.1 mm heightinterface to fast processors without wait states. The doubleTSS ..
AD7396AR ,3 V, Parallel Input Dual 12-Bit /10-Bit DACsCHARACTERISTICS (@ V = +2.5 V, –408C < T < +858C, unless otherwise noted)REF IN AParameter Symbol C ..
AD7397AR ,3 V, Parallel Input Dual 12-Bit /10-Bit DACsCHARACTERISTICS (@ V = +2.5 V, –408C < T < +858C, unless otherwise noted)REF IN AParameter Symbol C ..
AD7397ARU ,3 V, Parallel Input Dual 12-Bit /10-Bit DACsCHARACTERISTICSPower Supply Range V DNL < – 1 LSB 2.7/5.5 2.7/5.5 V min/maxDD RANGEPositive Supply ..
AD7398BR ,Quad, Serial-Input 12-Bit/10-Bit DACsSpecifications subject to change without notice.–2– REV. 0AD7398/AD7399(@ V = 5 V, V = 0 V; or V = ..
AD7398BR ,Quad, Serial-Input 12-Bit/10-Bit DACsCHARACTERISTICSShutdown Supply Current I No Load 30/60 30/60 µ A typ/maxDD_SDPositive Supply Curren ..
ADF4106BCPZ-R7 , PLL Frequency Synthesizer
ADF4106BRU ,PLL Frequency SynthesizerCHARACTERISTICSREFIN Input Frequency 20/250 20/250 MHz min/max For f < 20 MHz, Use DC-CoupledSquare ..
ADF4106BRU-REEL , PLL Frequency Synthesizer
ADF4106BRUZ-R7 , PLL Frequency Synthesizer
ADF4106BRUZ-RL , PLL Frequency Synthesizer
ADF4107BCP ,PLL Frequency SynthesizerGENERAL DESCRIPTION 7.0 GHz bandwidth The ADF4107 frequency synthesizer can be used to implement 2. ..


AD7396AN-AD7396AR-AD7397AR-AD7397ARU
3 V, Parallel Input Dual 12-Bit /10-Bit DACs
REV.0
3 V, Parallel Input
Dual 12-Bit/10-Bit DACs
FUNCTIONAL BLOCK DIAGRAMDATA
LDA
A/B
DGNDRSSHDN
VDD
VOUTA
VREF
VOUTB
AGND
LDB
FEATURES
Micropower: 100 mA/DAC
0.1 mA Typical Power Shutdown
Single Supply +2.7 V to +5.5 V Operation
Compact 1.1 mm Height TSSOP 24-Lead Package
AD7396: 12-Bit Resolution
AD7397: 10-Bit Resolution
0.9 LSB Differential Nonlinearity Error
APPLICATIONS
Automotive Output Span Voltage
Portable Communications
Digitally Controlled Calibration
PC Peripherals
GENERAL DESCRIPTION

The AD7396/AD7397 series of dual, 12-bit and 10-bit voltage-
output digital-to-analog converters are designed to operate from
a single +3 V supply. Built using a CBCMOS process, these
monolithic DACs offer the user low cost and ease of use in
single supply +3 V systems. Operation is guaranteed over the
supply voltage range of +2.7 V to +5.5 V, making this device
ideal for battery operated applications.
A 12-bit wide data latch loads with a 45 ns write time allowing
interface to fast processors without wait states. The double
buffered input structure allows the user to load the input
registers one at a time, then a single load strobe tied to both
LDA+LDB inputs will simultaneously update both DAC out-
puts. LDA and LDB can also be independently activated to
immediately update their respective DAC registers. An address
input (A/B) decodes DACA or DACB when the chip select CS
input is strobed. Additionally, an asynchronous RS input sets
the output to zero-scale at power on or upon user demand.
Power shutdown to submicroamp levels is directly controlled by
the active low SHDN pin. While in the power shutdown state
register data can still be changed even though the output buffer
is in an open circuit state. Upon return to the normal operating
state the latest data loaded in the DAC register will establish the
output voltage.
Both parts are offered in the same pinout, allowing users to
select the amount of resolution appropriate for their applications
without circuit card changes.
The AD7396/AD7397 are specified for operation over the ex-
tended industrial (–40°C to +85°C) temperature range. The
AD7397AR is specified for the –40°C to +125°C automotive
temperature range. AD7396/AD7397s are available in plastic
DIP, and 24-lead SOIC packages. The AD7397ARU is avail-
able for ultracompact applications in a thin 1.1 mm height
TSSOP 24-lead package.
CODE – Decimal
DNL – LSB
–1.05121024153620482560307235844096

Figure 1.DNL vs. Digital Code at Temperature
AD7396/AD7397–SPECIFICATIONS
STATIC PERFORMANCE
LOGIC INPUTS
NOTESOne LSB = VREF/4096 V for the 12-bit AD7396.The first two codes (000H, 001H) are excluded from the linearity error measurement.
AD7396 12-BIT
ELECTRICAL CHARACTERISTICS(@ VREF IN = +2.5 V, –408C < TA < +858C, unless otherwise noted)
AD7396/AD7397
NOTESOne LSB = VREF/4096 V for the 10-bit AD7397.The first two codes (000H, 001H) are excluded from the linearity error measurement.These parameters are guaranteed by design and not subject to production testing.Typicals represent average readings measured at +25°C.
AD7397 10-BIT
ELECTRICAL CHARACTERISTICS(@ VREF IN = +2.5 V, –408C < TA < +858C, unless otherwise noted)
AD7396/AD7397
Table I.Control Logic Truth

^Denotes positive edge. The SHDN pin has no effect on the digital interface data loading; however, while in the SHDN state (SHDN = 0) the output amplifiers VOUTA
and VOUTB exhibit an open circuit condition. Note, the LDx inputs are level-sensitive, the respective DAC registers are in a transparent state when LDx = “0.”
tCSW
tAS
A/B
tDS
LDA, LDB
VOUT
D0–D11

Figure 2.Timing Diagram
TO DAC
REGISTERS
DBx
A/B

Figure 3.Digital Control Logic
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD7396/AD7397 features proprietary ESD protection circuitry, permanent dam-
age may occur on devices subjected to high energy electrostatic discharges. Therefore, proper
ESD precautions are recommended to avoid performance degradation or loss of functionality.
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
AGND to DGND . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V, +2 V
IOUT Short Circuit to GND . . . . . . . . . . . . . . . . . . . .+50 mA
Package Power Dissipation . . . . . . . . . . . . .(TJ max – TA)/qJA
Thermal Resistance qJA
24-Lead Plastic DIP Package (N-24) . . . . . . . . . .+63°C/W
24-Lead SOIC Package (R-24) . . . . . . . . . . . . . . .+70°C/W
24-Lead Thin Shrink Surface Mount (RU-24) . .+143°C/W
ORDERING GUIDE

The AD7396/AD7397 contains 1365 transistors. The die size measures 89 mil · 106 mil = 9434 sq mil.
Maximum Junction Temperature (TJ max) . . . . . . . . .+150°C
Operating Temperature Range . . . . . . . . . . .–40°C to +85°C
AD7397AN, AD7397AR Only . . . . . . . .–40°C to +125°C
Storage Temperature Range . . . . . . . . . . . .–65°C to +150°C
Lead Temperature␣N-24 (Soldering, 10 sec) . . . . . . . . . . . . . . . . . . . . . .+300°C␣R-24 (Vapor Phase, 60 sec) . . . . . . . . . . . . . . . . . . . .+215°C␣RU-24 (Infrared, 15 sec) . . . . . . . . . . . . . . . . . . . . . .+224°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.
AD7396/AD7397
PIN FUNCTION DESCRIPTIONS

7, 8
PIN CONFIGURATIONS
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