Product Overview
Dual 8-Bit Parallel-Input DAC with Rail-to-Rail Voltage Outputs, 2.7 V to 5.5 V, 16-Pin TSSOP
Condition
Unused new old stock (NOS), sold each. Markings legible: MAX5102 AEUE. Original ordering code without the + suffix Maxim uses for its lead-free versions.
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Product Overview
Two 8-bit voltage-output DACs share one parallel 8-bit input port on the Maxim MAX5102AEUE: the A0 address line picks the channel and an active-low WR input controls the write. It runs from a single +2.7 V to +5.5 V supply at 0.2 mA, drops to 1 nA in shutdown, and its buffered outputs swing rail to rail. A grade, -40 C to +85 C, 16-pin TSSOP.
Key Features
- Two 8-bit DAC channels with buffered, rail-to-rail voltage outputs
- Parallel 8-bit data port; A0 selects the channel, active-low WR controls the write
- Single supply, +2.7 V to +5.5 V
- Supply current 0.2 mA operating, 1 nA in shutdown
- Output settles to +/-1/2 LSB in 6 us
- Integral nonlinearity +/-1 LSB (A grade)
- Operating range -40 C to +85 C
- 16-pin TSSOP surface-mount package
Applications
- Setting two bias, threshold or reference voltages from a microcontroller's spare 8-bit port
- Trimming offset and gain in battery-powered instruments where every milliamp counts
- Replacing a MAX5102AEUE on an existing board built around the 16-pin TSSOP footprint
- Giving a maker project two programmable control voltages on a 3.3 V or 5 V rail
Frequently Asked Questions
Will it run from a 3.3 V or 5 V rail?
Yes. It takes a single supply anywhere from +2.7 V to +5.5 V, so either rail powers it.
How do I pick which channel gets the data?
Both channels share the 8-bit data port. The A0 address line selects which channel receives the byte, and the active-low WR input controls the write.
How many DAC channels does one chip carry?
Two, each with its own buffered rail-to-rail voltage output, so a four-channel design takes two chips.
The MAX5102 does one quiet job: it turns a byte from a microcontroller into a voltage, twice over, while asking very little of the battery. Wire it to a spare port and decide which levels it sets first.