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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 16QSOP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Number of Bits：12
- Number of D/A Converters：1
- Settling Time：20µs (Typ)
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- Reference Type：External, Internal
- Voltage - Supply, Analog：5V
- Voltage - Supply, Digital：5V
- INL/DNL (LSB)：±0.5 (Max), ±1 (Max)
- Architecture：R-2R
- Operating Temperature：-40°C ~ 85°C
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-QSOP
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The MAX5122AEEE+T is a low-power, 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices/Maxim Integrated. It operates on a single +5V supply and features an internal precision bandgap reference of +2.5V with a maximum temperature coefficient of 10ppm/°C. The device includes a buffered output amplifier capable of driving 5kΩ loads or 4–20mA circuits. It draws 500µA during operation, reducing to 3µA in power-down mode. The DAC utilizes a double-buffered input register and supports SPI, QSPI, and MICROWIRE serial interfaces via a 3-wire connection.
Feature Summary
- 12-bit resolution with ±0.5 LSB INL accuracy
- Internal +2.5V precision bandgap reference (10ppm/°C max)
- Buffered output amplifier for force/sense applications
- Software/hardware programmable shutdown mode (3µA typical)
Applications
- Industrial Process Control
- Automatic Test Equipment
- Digital Offset and Gain Adjustment
- Motion Control Systems
Procurement Notes
Verify the specific suffix 'A' indicates ±0.5 LSB INL accuracy compared to the 'B' variant. Confirm package type is 16-pin QSOP. Check RoHS compliance status as indicated by the '+' suffix. Ensure availability through authorized distributors as lead times may vary.
Selection Notes
Select the MAX5122AEEE+T for +5V single-supply systems requiring high precision. Choose this over the MAX5123 if a +2.5V internal reference is preferred over +1.25V. Consider the MAX5132/5133 for pin-compatible 13-bit upgrades or MAX5171/5173 for 14-bit options.
Part Context
This component belongs to the MAX5122/MAX5123 family of serial force/sense DACs. It is pin-compatible with the MAX5123 (3V version) and serves as a precursor to higher-resolution variants like the MAX5132 and MAX5171 within the same QSOP footprint.
Replacement Considerations
Direct pin-compatible replacements include the MAX5122BEEE+T (±1 LSB INL). For higher resolution, consider the MAX5132AEEE+T (13-bit) or MAX5171AEEE+T (14-bit), which maintain the same package and interface compatibility.
