MCU 8 Bit 52MQFP 20MHz DIP 28 Pin High IC Chip ATMEGA328-PU

ATMEGA328-PU

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GENERAL DESCRIPTION

The AD5544/AD5554 quad, 16-/14-bit, current output, digital

to-analog converters (DACs) are designed to operate from a

2.7 V to 5.5 V supply range.

The applied external reference input voltage (VREFx) determines

the full-scale output current. Integrated feedback resistors (RFB)

provide temperature-tracking, full-scale voltage outputs when

combined with an external I-to-V precision amplifier.

A double-buffered serial data interface offers high speed, 3-wire,

SPI- and microcontroller-compatible inputs using serial data in

(SDI), a chip select (CS), and clock (CLK) signals. In addition,

a serial data out pin (SDO) allows for daisy-chaining when multiple

packages are used. A common, level-sensitive, load DAC strobe

(LDAC) input allows the simultaneous update of all DAC outputs

from previously loaded input registers. Additionally, an internal

power-on reset forces the output voltage to 0 at system turn-on.

The MSB pin allows system reset assertion (RS) to force all registers

to zero code when MSB = 0 or to half-scale code when MSB = 1.

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FEATURES

AD5544: 16-bit resolution INL of andplusmn;1 LSB (B Grade)

AD5554: 14-bit resolution INL of andplusmn;0.5 LSB (B Grade)

2 mA full-scale current andplusmn; 20%, with VREF = andplusmn;10 V , 0.9 andmicro;s settling time to andplusmn;0.1%

12 MHz multiplying bandwidth ,Midscale glitch of andminus;1 nV-sec

Midscale or zero-scale reset ,4 separate, 4-quadrant multiplying reference inputs

SPI-compatible, 3-wire interface ,Double-buffered registers enable

Simultaneous multichannel change ,Internal power-on reset

Temperature range: andminus;40anddeg;C to +125anddeg;C

Compact 28-lead SSOP and 32-lead LFCSP

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Product Attributes

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APPLICATIONS

Automatic test equipment

Instrumentation

Digitally controlled calibration

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FUNCTIONAL BLOCK DIAGRAM

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mailandnbsp; natasha@topelecind.comandnbsp; for more detailed information .

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Our advantage :

• High quality products --- our offers are 100% new and original, ROHS
• Competitiveandnbsp; price --- good Purchase channels with good price.
• Professional service --- strict quality testing before the shipment, and perfect after-sales service after the purchase.
• Adequate andnbsp;inventory --- With the support of our strong Purchasing team,
• Fast delivery ---andnbsp; we will ship the goods within 1-3 working days after the payment confirmed.

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be sure to meet your need for all kinds of components.andnbsp;andnbsp;andnbsp; ^_^
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Product andnbsp;List
Supply a Series of Electronic Components, full range of semiconductors, active andamp; passive Components.We can help you to get all for PCB BOM. IN a word, you can get one-stop solution here,
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Theandnbsp; offersandnbsp; including:
Integrated Circuit, Memory ICs, Diode, Transistor , Capacitor, Resistor, Varistor, Fuse, Trimmer andamp; Potentiometer, Transformer, Battery, Cable, Relay, Switch, Connector, Terminal Block, Crystal andamp; Oscillator, Inductor, Sensor, Transformer, IGBT Driver, LED,LCD, Convertor, PCB (Printed Circuit Board),PCBA (PCB Assembly)
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Strong in Brand:
Microchip, MAX, AD, TI,andnbsp; ATMEL, ST, ON, NS, Intersil, Winbond, Vishay, ISSI, Infineon, NEC, FAIRCHILD, OMRON,YAGEO, TDK, etc

Thank you for your time to know our company and lean our production.

TOP Electronic Industry co., Ltdandnbsp; was established in 2006. After 10 years effort and development, now we have become one of the leading electronic components distributors in China. We keep very kind relationship with our suppliers and partners, and put our customers in the first place always.

Here we can offer one-stop solution service:andnbsp; from PCB design, production to PCB assembly, from a series of components offer to the BOM list.

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andnbsp;The third production-line is Supply a Series of Electronic Components, including Integrated Circuits, Transistor, Diode, LED, LCD display, Capacitor, Resistor, Inductor, Relay, Crystal , Terminal block ,pin header etc.

Our Strong in Brand including Microchip, MAX, AD, TI, NXP, ATMEL, ST, ON, NS, Intersil, Winbond, Vishay, ISSI, Infineon, NEC, FAIRCHILD, OMRON,YAGEO, TDK, etc

As a global distributor of electronic components, we stocking the worldand#39;s widest range products of semiconductor and electronic components. You can get one stop service here include BOM(bill of material) andnbsp;purchasing, testing, design for your project. Our experienced team is providing the most excellent service to meet your needs and satisfaction.

With rich experience on wireless product and electronic components, we win our customers with good quality and competitive price. We only offer the products 100% original from the factory.

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andnbsp;TOP has never stop going forward, we always want to give our customers best service. in 2013, together with our partners, we built another PCB factory. In this factory, we can make design, supply PCB, make PCB SMT and DIP assembly, offer BOM service. As a professional supplier , We have a strong procurement team and are therefore able to provide customers with competitive prices and good quality. This is our advantage to you.

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As they are to you. Just as in our name, TOP strives to be a leading business in the electronic industry. Our high quality products and professional service, are sure to meet your need for all kinds of electronic components.

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You are searching for creditable and professional supplier to work with; we are also looking for sincerely and long-term customers. Once we find each other, we could make rapid progress together!