Analog Devices Inc. AD7847SQ

Mfr. Part

AD7847SQ

Manufacturer

Analog Devices, Inc. (ADI). Y-IC is a quality distributor for ADI and we will provide the best products, fast service, and reliable support

Detailed Description

Dual 12-bit voltage-output DAC with buffered outputs and segmented R-2R architecture. Parallel 12-bit interface for fast updates. External reference input. Differential output capability. Operates from ±14.25 V to ±15.75 V analog and digital supplies. 24-pin ceramic DIP through-hole package, body width 0.300 inch (7.62 mm). Wide temperature range from -55 C to +125 C. INL and DNL typically ±0.5 LSB and ±1 LSB. Typical settling time around 5 microseconds. RoHS non-compliant. Series AD7847. Supplier device package 24-CDIP. Current availability can be supported by Y-IC with professional sourcing and logistics

Key Features

Two independent 12-bit DAC channels

Buffered voltage outputs for easy direct drive

Segmented R-2R architecture for precision and low glitch

Parallel 12-bit data interface for low-latency control

External reference flexibility for scaling and accuracy

Differential output support for bipolar ranges

Analog and digital supplies both ±14.25 V to ±15.75 V

Wide temperature range from -55 C to +125 C

Through-hole 24-pin ceramic DIP package with 0.300 inch width

INL and DNL typically ±0.5 LSB and ±1 LSB for tight linearity

Fast settling around 5 microseconds for quick updates

RoHS non-compliant for legacy high-reliability applications

Key Advantages

High accuracy and predictable linearity in demanding environments

Hermetic ceramic DIP for reliability, low moisture ingress, and thermal stability

Simple parallel interface that reduces firmware complexity and update latency

On-chip output buffers reduce external component count and board space

Dual channels in one device streamline multi-output designs

Wide ±15 V supply rails fit legacy industrial and defense systems

Stable operation over extended temperature range for mission-critical use

Packaging

Type 24-pin Ceramic Dual In-Line Package CDIP for through-hole assembly

Material Hermetic ceramic body with plated metal leads for high-reliability

Size Body width 0.300 inch 7.62 mm, standard DIP lead pitch 2.54 mm, 24 leads

Pin configuration Shared 12-bit parallel data bus with control signals for write and latching, separate analog outputs for DAC A and DAC B, external reference pins, analog ground and digital ground, analog and digital ±15 V supply pins

Thermal characteristics Suitable for -55 C to +125 C operation, ceramic package supports stable thermal performance and good heat dissipation

Electrical properties 12-bit resolution, INL and DNL typically ±0.5 and ±1 LSB, buffered voltage outputs, external reference required, differential output capability, typical settling time around 5 microseconds, operates from ±14.25 V to ±15.75 V analog and digital supplies

Shipping Package Bulk

Lifecycle

Status Mature legacy product. Availability may vary by grade and region. It may be not recommended for new designs in some programs. Y-IC can confirm real-time status and inventory

Equivalent or alternative models within AD7847 family and similar function

- AD7847KN 24-pin plastic DIP version for industrial temperature ranges

- AD7847JP PLCC package option in the same family

- AD7847SQ 883B military screened ceramic DIP grade for added reliability

Functionally similar alternatives to consider for ±15 V analog systems

- Burr-Brown TI DAC702 single 12-bit voltage-output DAC for ±15 V rails verify pinout and timing

- Burr-Brown TI DAC7621 dual 12-bit DAC option for ±15 V systems verify compatibility

- Analog Devices AD572 and AD573 single 12-bit voltage-output DACs for ±15 V rails may require external buffering and have different interfaces

If you need pin-to-pin compatibility or a direct drop-in replacement contact Y-IC sales via our website. We will provide tailored cross references and the best available alternatives

Key Application Areas

Industrial control and automation using legacy ±15 V analog rails

Aerospace and defense electronics needing hermetic packaging and -55 C to +125 C operation

Test and measurement instruments with dual precision voltage outputs

Process control, calibration equipment, and programmable power sources

Maintenance and retrofit of legacy systems requiring parallel interfaces and through-hole components

High-reliability data acquisition and signal generation where ceramic DIP is preferred

Datasheet

Y-IC hosts the most authoritative AD7847SQ datasheet on our product page. Download it here to get complete pin details, timing diagrams, electrical tables, reference and output configuration examples, and application notes

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