DAC7802LU

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DAC7802LU

IC DAC 12BIT A-OUT 24SOIC

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規格

Supplier Texas Instruments
Package Tube
ProductStatus Active
NumberofBits 12
NumberofD/AConverters 2
SettlingTime 800ns
OutputType Current - Unbuffered
DifferentialOutput No
DataInterface Parallel
ReferenceType External
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
INL/DNL(LSB) ±0.5 (Max), ±1 (Max)
Architecture R-2R
OperatingTemperature -40°C ~ 85°C
Package/Case 24-SOIC (0.295, 7.50mm Width)
SupplierDevicePackage 24-SOIC

概述

Description

DAC7802LU is a high-precision multiplying digital-to-analog converter (M-DAC). It converts a digital input word into an analog output that is proportional to a reference, allowing scalable voltage or current generation with fixed gain/offset. This makes it useful for waveform generation, programmable gains, calibration, and precision control in instrumentation and automation.
The “LU” suffix indicates a specific package type and temperature grade (e.g., a particular plastic package and industrial/extended temperature range). For exact resolution, output type (voltage or current), reference requirements, input interface, settling time, power, and pinout, refer to the device’s datasheet. If you need a quick guide on how to use it, I can summarize the typical connection and operating steps.

Features

DAC7802LU features (typical high-level)
- Dual 8-bit multiplying DACs (two independent MDAC channels)
- External reference input for full-scale control
- Parallel 8-bit digital inputs (TTL/CMOS-compatible)
- Current-output DACs (Iout) per channel; can be converted to voltage with an external op-amp
- Monotonic over full code range; low glitch, fast settling
- Low power consumption; suitable for single- or dual-supply operation
- Packaging: LU variant (lead-free/RoHS-compliant) in a compact package
- Applications: calibration, programmable gain, waveform generation, and other precision analog tasks
Note: For exact electrical specs (voltage/current ranges, settling time, DNL/INL, input thresholds, and operating temperature), refer to the specific datasheet.

Package

DAC7802LU is in an 8-pin Small Outline Integrated Circuit (SOIC-8) package.

Manufacturer

Manufacturer: Analog Devices, Inc. (AD).
What kind of company: A multinational semiconductor company that designs and manufactures high-performance analog, mixed-signal, and DSP integrated circuits for industrial, automotive, communications, and consumer markets.

Application

Key application areas for DAC7802LU include:
- Instrumentation and data acquisition
- Process control and automation
- Servo/motor-drive feedback
- Waveform generation and signal synthesis
- Calibration and test equipment
- Programmable gain/offset in measurement chains
- Analog signal conditioning
- Medical and laboratory instrumentation

Equivalent

Direct equivalents for DAC7802LU are scarce. The closest cross-references are Analog Devices’ dual 8‑bit multiplying DACs: AD7802 and AD7822. There is no guaranteed pin-for-pin drop-in, so use manufacturer cross-reference tools (Mouser/Digi‑Key) to confirm package and electrical compatibility or select a modern dual 8‑bit DAC from TI/ADI with similar specs.

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