MAX549ACUA+T

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MAX549ACUA+T

+BOM

IC DAC 8BIT V-OUT 8UMAX

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Specifications

Attribute Value
Supplier Analog Devices Inc./Maxim Integrated
Package / Case Tape & Reel (TR)
Part Status Active
Number of Bits 8
Number of D/A Converters 2
Settling Time 4µs (Typ)
Output Type Voltage - Unbuffered
Differential Output No
Data Interface SPI
Reference Type External
Voltage - Supply, Analog 2.5V ~ 5.5V
Voltage - Supply, Digital 2.5V ~ 5.5V
INL / DNL(LSB) -, ±0.9 (Max)
Architecture R-2R
Operating Temperature 0°C ~ 70°C
Supplier Device Package 8-uMAX/uSOP

Overview

Description

MAX549ACUA+T is a Maxim Integrated digital-to-analog converter (DAC) in the MAX549 family. It’s a multi-channel, voltage-output DAC with a serial control interface (SPI-like), used to convert digital codes into precise analog voltages for instrumentation, calibration, and control systems. The “+T” indicates RoHS-compliant, lead-free packaging and tape-and-reel handling; “CUA” denotes the package and temperature grade associated with this variant.
Key points:
- Serial interface: SPI-like (SI/SCK/CS) for microcontroller compatibility
- Output: one or more voltage-output channels (exact number/resolution varies by variant)
- Supply: typically 2.7 V to about 5.5 V
- Characteristics: monotonic operation, good linearity, fast update performance
- Package: small lead-frame/flat-pack (RoHS)
For exact specs (resolution, channel count, timing), refer to the specific MAX549ACUA+T datasheet.

Pinout

- Pin count: 16 pins (16-pin package, e.g., SOIC/TSSOP).
- Function: 12-bit multiplying digital-to-analog converter (DAC) with a serial SPI-like interface (digital input to an analog output).

Manufacturer

Manufacturer: Maxim Integrated (now a wholly owned subsidiary of Analog Devices, Inc.).
What kind of company: A global semiconductor company that designs and markets analog, mixed-signal, and power-management integrated circuits.

Application

MAX549ACUA+T is a digitally controlled potentiometer. Common applications:
- Programmable gain/attenuation in op-amp feedback and instrumentation amps
- DAC/ADC references, offset and gain trimming
- Sensor signal conditioning and calibration (bridge sensors, thermistors)
- Audio volume control and tone shaping
- Programmable attenuators in RF/microwave front-ends
- Calibration/auto-calibration loops in test and instrumentation equipment
- Adjustable bias/voltage divider networks in power management and control circuits
These use cases leverage its digital wiper to set precise resistance values without mechanical pots.

Package

8-pin SOIC (Small-Outline Integrated Circuit) package, Tape-and-Reel variant.

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