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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 16QSOP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- 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+ is a single-channel, 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 with a maximum temperature coefficient of 10ppm/°C. The device includes a buffered output amplifier capable of driving 5kΩ loads or 4–20mA current loops. Key electrical parameters include a settling time of 20µs, integral nonlinearity (INL) of ±0.5 LSB, and differential nonlinearity (DNL) of ±1 LSB. It utilizes a 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE standards.
Feature Summary
- Integrated +2.5V precision bandgap reference with <10ppm/°C temperature coefficient
- Buffered output amplifier supporting force/sense applications and 4–20mA loads
- Double-buffered input registers allowing independent or simultaneous updates
- Pin-programmable power-up reset selecting 0V or midscale output state
Applications
- Industrial Process Control
- Automatic Test Equipment
- Digital Offset and Gain Adjustment
- Motion Control Systems
Procurement Notes
Verify component authenticity through authorized distributors due to the presence of legacy variants. Confirm RoHS compliance status as indicated by the '+' suffix in the part number. Ensure the specific INL grade (±0.5 LSB for 'A' suffix) matches design requirements before procurement.
Selection Notes
Select the MAX5122AEEE+ for single-supply +5V systems requiring high accuracy with ±0.5 LSB INL. Choose this model over the MAX5123 if a +2.5V internal reference is preferred. Consider the MAX5171/MAX5173 for pin-compatible 14-bit upgrades or the MAX5132/MAX5133 for 13-bit versions.
Part Context
This component belongs to the MAX5122/MAX5123 family of low-power, serial DACs. It shares the same 16-pin QSOP package and pinout as the MAX5123 (+3V variant). The 'A' suffix denotes a tighter accuracy grade compared to the 'B' variant, which has ±1 LSB INL.
Replacement Considerations
Direct pin-compatible replacements include the MAX5122BEEE+ (±1 LSB INL), MAX5132AEEE+ (13-bit), and MAX5171AEEE+ (14-bit). Verify that the alternative device's supply voltage range and reference specifications align with the existing circuit design.
