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Series Information for AD7245ABNZ - Analog Devices


  • feature
    12-Bit CMOS DAC with Output Amplifier and Reference Improved AD7245/AD7248: 12 V to 15 V Operation u2d1e1/2 LSB Linearity Grade Faster Interfaceu201430 ns Typ Data Setup Time Extended Plastic Temperature Range (u201340u2d17C to +85u2d17C) Single or Dual Supply Operation Low Poweru201465 mW Typ in Single Supply Parallel Loading Structure: AD7245A (8+4) Loading Structure: AD7248A



The AD7245A/AD7248A is an enhanced version of the industry standard AD7245/AD7248. Improvements include operation from 12 V to 15 V supplies, a ±1/2 LSB linearity grade, faster interface times and better full scale and reference variations with VDD. Additional features include extended temperature range operation for commercial and industrial grades. The AD7245A/AD7248A is a complete, 12-bit, voltage output, digital-to-analog converter with output amplifier and Zener voltage reference on a monolithic CMOS chip. No external user trims are required to achieve full specified performance. Both parts are microprocessor compatible, with high speed data latches and double-buffered interface logic. The AD7245A accepts 12-bit parallel data that is loaded into the input latch on the rising edge of CS or WR. The AD7248A has an 8-bit-wide data bus with data loaded to the input latch in two write operations. For both parts, an asynchronous LDAC signal transfers data from the input latch to the DAC latch and updates the analog output. The AD7245A also has a CLR signal on the DAC latch which allows features such as power-on reset to be implemented. The on-chip 5 V buried Zener diode provides a low noise, tem- perature compensated reference for the DAC. For single supply operation, two output ranges of 0 V to 5 V and 0 V to 10 V are available, while these two ranges plus an additional ±5 V range are available with dual supplies. The output amplifiers are capa- ble of developing 10 V across a 2 kΩ load to GND. The AD7245A/AD7248A is fabricated in linear compatible CMOS (LC2 MOS), an advanced, mixed technology process that combines precision bipolar circuits with low power CMOS logic. The AD7245A is available in a small, 0.3" wide, 24-lead DIP and SOIC and in 28-terminal surface mount packages. The AD7248A is packaged in a small, 0.3" wide, 20-lead DIP and SOIC and in 20-terminal surface mount packages. DACPORT is a registered trademark of Analog Devices, Inc. AD7245A FUNCTIONAL BLOCK DIAGRAM DB0 DB11 DGND VSS AGND VDD REF OUT ROFS RFB VOUT AD7245A


Resolution (Bits):
Sampling Rate:
Input Channel Type:
Supply Voltage Range:
± 10.8V to ± 16.5V
ADC / DAC Case Style:
No. of Pins:
Data Interface:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
AD7245 Series
Automotive Qualification Standard:
RoHS Phthalates Compliant:
No SVHC (07-Jul-2017)

Alternate Descriptions

RS Components
DAC 1-CH R-2R 12-Bit 24-Pin PDIP
Newark Electronics
DAC, 12BIT, DIP-24; Resolution (Bits):12bit; Sampling Rate:-; Input Channel Type:Parallel; Supply Voltage Range:± 10.8V to ± 16.5V; ADC / DAC Case Style:DIP; No. of Pins:24Pins; Data Interface:-; Operating Temperature Min:-40°C RoHS Compliant: Yes
Richardson RFPD
RS Components UK
DAC 1-CH R-2R 12-Bit 24-Pin PDIP
RS Components DE
12 bit-Bit D/A-Wandler, AD7245ABNZ 143ksps, Parallel, PDIP 24-Pin Montage-Typ : Durchsteckmontage Stromversorgungs-Typ : Dual, Single Versorgungsspannung einzeln typ. : 12 V, 15 V Referenzspannung : Intern Architektur : R-to-R, Resistor String Rücksetzzeit max. : 7µs Ausgangspolarität : Bipolar, Unipolar Skalierungsfehler : ±0.2%FSR Abmessungen : 31.75 x 6.35 x 3.3mm, Analog Devices
RS Components HK
DAC 1-CH R-2R 12-Bit 24-Pin PDIP
RS Components JP
RS Components FR
CNA 1 canal R-2R 12bits DIP24
RS Components CN
DAC 1-CH R-2R 12-Bit 24-Pin PDIP
RS Components ES
DAC 1-CH R-2R 12-Bit 24-Pin PDIP
RS Components NL
DAC 1-CH R-2R 12-Bit 24-Pin PDIP
RS Components NO
DAC 1-CH R-2R 12-Bit 24-Pin PDIP
RS Components US
DAC 1-CH R-2R 12-Bit 24-Pin PDIP
RS Components SG
DAC 1-CH R-2R 12-Bit 24-Pin PDIP
RS Components TW
DAC 1-CH R-2R 12-Bit 24-Pin PDIP