Best 14-Bit DACs Minimize Power-Up Glitch and Have 1LSB INL
The MAX5171/MAX5173 low-power, serial, voltage-output, 14-bit digital-to-analog converters (DACs) feature a precision output amplifier in a space-saving 16-pin QSOP package. The MAX5171 operates from a +5V single supply, and the MAX5173 operates from a +3V single supply. The output amplifier's inverting input is available to allow specific gain configurations, remote sensing, and high output current capability. This makes the MAX5171/ MAX5173 ideal for a wide range of applications, including industrial process control. Both devices draw only 260µA of supply current, which reduces to 1µA in shutdown mode. In addition, the programmable power-up reset feature allows for a user-selectable output voltage of either 0 or midscale. The 3-wire serial interface is compatible with SPI™, QSPI™, and MICROWIRE™ standards. An input register followed by a DAC register provides a double-buffered input, allowing the input and DAC registers to be updated independently or simultaneously with a 16-bit serial word. Additional features include software and hardware shutdown, shutdown lockout, a hardware clear pin, and a reference input capable of accepting DC and offset AC signals. These devices provide a programmable digital output pin for added functionality and a serial-data output pin for daisy-chaining. All logic inputs are TTL/CMOS-compatible and are internally buffered with Schmitt triggers to allow direct interfacing to optocouplers. The MAX5171/MAX5173 incorporate a proprietary on-chip circuit that keeps the output voltage virtually "glitch free," limiting the glitches to a few millivolts during power-up. Both devices are available in 16-pin QSOP packages and are specified for the extended (-40°C to +85°C) temperature range. The MAX5171/MAX5173 are pin-compatible upgrades to the 12-bit MAX5175/MAX5177. For 100% pin-compatible DACs with an internal reference, see the 13-bit MAX5132/MAX5133 and the 12-bit MAX5122/MAX5123 data sheets.
title | Download file |
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MAX5171-MAX5173 Data Sheet | MAX5171-MAX5173.pdf |
Part Number | Resolution (bits) | Channels | Output Type | Reference | INL (±LSB) | Interface | Supply Range (V) | Supply Range (V) | ICC (mA) | Settling Time (µs) | Package/Pins | Oper. Temp. (°C) | Budgetary Price |
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max | min | max | max | typ | See Notes | ||||||||
MAX5171 | 14 | 1 | Voltage- Buffered | Ext. | 1 2 | Serial - SPI | 4.5 | 5.5 | 0.35 | 12 | QSOP/16 | -40 to +85 | $4.63 @1k |
MAX5173 | 2 4 | 2.7 | 3.6 | QSOP/16 | $5.62 @1k | ||||||||
Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
---|---|---|---|---|---|
MAX5171AEEE | No Longer Available | MAX5171AEEE+ | QSOP,;16 pin;30.9 mm² | -40°C to +85°C | No |
MAX5171AEEE+ | Active | QSOP,;16 pin;30.9 mm² | -40°C to +85°C | Lead Free | |
MAX5171AEEE+T | Active | QSOP;16 pin | -40°C to +85°C | See data sheet | |
MAX5171AEEE-T | No Longer Available | MAX5171AEEE+T | QSOP;16 pin | -40°C to +85°C | See data sheet |
MAX5171BEEE | No Longer Available | MAX5171BEEE+ | QSOP,;16 pin;30.9 mm² | -40°C to +85°C | No |
MAX5171BEEE+ | Active | QSOP,;16 pin;30.9 mm² | -40°C to +85°C | Lead Free | |
MAX5171BEEE+T | Active | QSOP,;16 pin;30.9 mm² | -40°C to +85°C | Lead Free | |
MAX5171BEEE-T | No Longer Available | MAX5171BEEE+T | QSOP;16 pin | -40°C to +85°C | See data sheet |