AD7249ARZ

Semiconductors - ICs

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> Digital-to-Analog Converters - DAC

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Series Information for AD7249ARZ - Analog Devices

Features

  • feature
    Two 12-Bit CMOS DAC Channels with On-Chip Voltage Reference Output Amplifiers Three Selectable Output Ranges per Channel u20135 V to +5 V, 0 V to +5 V, 0 V to +10 V Serial Interface 125 kHz DAC Update Rate Small Size: 16-Lead DIP or SOIC Low Power Dissipation

Description

IC DACPORT 12BIT LC2MOS DUAL SMD

The AD7249 DACPORT contains a pair of 12-bit, voltage- output, digital-to-analog converters with output amplifiers and Zener voltage reference on a monolithic CMOS chip. No exter- nal trims are required to achieve full specified performance. The output amplifiers are capable of developing +10 V across a 2 kΩ load. The output voltage ranges with single supply opera- tion are 0 V to +5 V or 0 V to +10 V, while an additional bipolar ±5 V output range is available with dual supplies. The ranges are selected using the internal gain resistor. Interfacing to the AD7249 is serial, minimizing pin count and allowing a small package size. Standard control signals allow interfacing to most DSP processors and microcontrollers. The data stream consists of 16 bits, DB15 to DB13 are don’t care bits, the 13th bit (DB12) is used as the channel select bit and the remaining 12 bits (DB11 to DB0) contain the data to update the DAC. The 16-bit data word is clocked into the input register on each falling SCLK edge. The data format is natural binary in both unipolar ranges, while either offset binary or twos complement format may be selected in the bipolar range. A CLR function is provided which sets the output to 0 V in both unipolar ranges and in the twos comple- ment bipolar range, while with offset binary data format, the output is set to –REFIN. This function is useful as a power-on reset as it allows the outputs to be set to a known voltage level. The AD7249 features a serial interface which allows easy con- nection to both microcomputers and 16-bit digital signal proces- sors with serial ports. The serial data may be applied at rates up to 2 MHz allowing a DAC update rate of 125 kHz. The AD7249 is fabricated on linear compatible CMOS (LC2 MOS), an advanced, mixed technology process. It is pack- aged in 16-lead DIP and 16-lead SOIC packages.

Specifications

Resolution (Bits):
12bit
Sampling Rate:
125kSPS
Input Channel Type:
Serial
Supply Voltage Range:
± 10.8V to ± 16.5V
ADC / DAC Case Style:
SOIC
No. of Pins:
16Pins
Data Interface:
Serial
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
AD7249 Series
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
Base Number:
7249
Conversion Time:
10µs
IC Case Style:
SOIC
Linearity Error ADC / DAC +:
1LSB
No. of Bits:
12bit
Operating Temperature Range:
-40°C to +85°C
Output Type:
Voltage
Sample Rate:
125kSPS
Settling Time:
3µs
Supply Current:
11mA
Supply Voltage Max:
16.5V
Supply Voltage Min:
10.8V
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
Dual 12-Bit Serial DACPORT, AD7249ARZ
Newark Electronics
Digital to Analogue Converter, Dual, 12 bit, 125 kSPS, Serial, 10.8V to 16.5V, SOIC, 16 RoHS Compliant: Yes
Richardson RFPD
CONVERTER - DAC
RS Components UK
Dual 12-Bit Serial DACPORT, AD7249ARZ
RS Components DE
12 Bit-Bit D/A-Wandler, AD7249ARZ 125ksps, Dual, SPI, SOIC W 16-Pin Digital Interface Typ : Seriell (SPI) Montage-Typ : SMD Stromversorgungs-Typ : Dual, Single Versorgungsspannung einzeln typ. : 12 V, 15 V Referenzspannung : Extern, Intern Architektur : R-to-R, Resistor String Rücksetzzeit max. : 10µs Ausgangspolarität : Bipolar, Unipolar Skalierungsfehler : ±6LSB Abmessungen : 10.5 x 7.6 x 2.35mm, Analog Devices
RS Components HK
Dual 12-Bit Serial DACPORT, AD7249ARZ
RS Components JP
半導体,DAC
RS Components FR
Dual 12-Bit Serial DACPORT, AD7249ARZ
RS Components CN
Dual 12-Bit Serial DACPORT, AD7249ARZ
RS Components ES
DACPORT serie dual 12-Bit AD7249ARZ
RS Components NL
Dual 12-Bit Serial DACPORT, AD7249ARZ
RS Components NO
Dual 12-Bit Serial DACPORT, AD7249ARZ
RS Components US
Dual 12-Bit Serial DACPORT, AD7249ARZ
RS Components SG
Dual 12-Bit Serial DACPORT, AD7249ARZ
RS Components TW
Dual 12-Bit Serial DACPORT, AD7249ARZ