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AD7845BQ The AD7845BQ is a 12-bit multiplying digital-to-analog converter (DAC) from Analog Devices. It features a 200 kS/s conversion rate, parallel interface, voltage output, and operates from ±14.25V to ±15.75V supplies.
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AD7845BQ

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The AD7845BQ is a 12-bit multiplying digital-to-analog converter (DAC) from Analog Devices. It features a 200 kS/s conversion rate, parallel interface, voltage output, and operates from ±14.25V to ±15.75V supplies.
✓ Total Stock: 6,358 pcs

AD7845BQ Available from 1 distributor

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AD7845BQ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Architecture
Data Interface
Differential Output
INL
Lead Style
Mounting Type
Number of Bits
Number of D
Operating Temperature
Output Type
Power Dissipation
Reference Type
Settling Time
Supplier Device Package
Voltage
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AD7845BQ Description

Short technical summary and product information.

The AD7845BQ is a complete 12-bit multiplying digital-to-analog converter (DAC) from Analog Devices, featuring an integrated output amplifier for four-quadrant multiplication. It delivers a 200 kS/s conversion rate with a 12-bit resolution and a single voltage-buffered output channel. The DAC employs an R-2R architecture with an external reference, ensuring monotonic performance. The output voltage range spans from 0 µV to 20 V, and the device settles within 5 µs. Maximum power dissipation is 650 mW.

 

The AD7845BQ operates from dual supplies of ±14.25V to ±15.75V and is specified over the industrial temperature range of -40°C to 85°C. The parallel interface simplifies connection to microprocessors, with TTL/5V CMOS compatible digital inputs. The part is packaged in a 24-lead CDIP (0.300" width) with through-hole mounting, supplied in a rail/tube packaging.

 

This DAC is suitable for applications requiring precise voltage output and multiplying capability, such as gain ranging and voltage offsetting circuits. The on-chip output amplifier reduces external component count, saving board space. The R-2R architecture provides inherent linearity with an integral nonlinearity of ±0.75 LSB maximum.

AD7845BQ Quick Information

Product Type: Digital-to-Analog Converter (DAC)
Series: AD7845
Canonical Name: Analog Devices AD7845BQ 12-Bit Multiplying DAC
Subcategory: Digital to Analog Converters (DAC)

AD7845BQ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AD7845BQ Features

  • 12-bit resolution with 200 kS/s conversion rate.
  • On-chip output amplifier for 4-quadrant multiplication.
  • Voltage output with 5 µs settling time.
  • R-2R architecture requiring external reference.
  • Parallel interface compatible with TTL logic.

AD7845BQ Applications

  • Gain ranging and voltage offsetting circuits.
  • Microprocessor-controlled analog output systems.
  • Industrial control and instrumentation.
  • Waveform generation with multiplying DAC.

AD7845BQ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AD7845BQ?

The AD7845BQ requires dual supplies of ±14.25V to ±15.75V.

What is the package type of the AD7845BQ?

The AD7845BQ is packaged in a 24-CDIP (0.300", 7.62mm) through-hole package.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

Is the AD7845BQ RoHS compliant?

No, the AD7845BQ is not RoHS compliant.

What is the resolution of the AD7845BQ?

The AD7845BQ has a 12-bit resolution.

What is the settling time of the AD7845BQ?

The settling time is 5 µs.

What data interface does the AD7845BQ use?

The AD7845BQ uses a parallel data interface.

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