MCP4728
Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.
This datasheet covers the Microchip MCP4728, a 12-bit quad digital-to-analog converter with on-board EEPROM. It details electrical specifications for a precision voltage output DAC featuring rail-to-rail swing and nonvolatile memory for power-off retention. Key parameters include an operating supply of 2.7V to 5.5V, typical current consumption of 800µA to 1400µA, and fast settling time of 6µs. The device supports I2C interfaces at speeds up to 3.4Mbps with selectable internal or external voltage references. Available in a 10-lead MSOP package, it targets applications like sensor calibration, closed-loop control, and industrial process control.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions |
|---|---|---|---|---|
| output current | — | 15 mA | 24 mA | VDD = 5V, All VOUTPins = Grounded.Tested at room temperature. |
| supply voltage range | 2.7 V | — | 5.5 V | |
| input offset voltage | — | 5 mV | 20 mV | Code = 000hSeeFigure 2-24 |
| operating temperature | -40 °C | — | 125 °C | |
| clock frequency | 0 Hz | — | 100 kHz | Standard ModeCb = 400 pF, 2.7V – 5.5V |
| slew rate | — | 550 kV/s | — | |
| psrr | — | -57 dB | — | VDD = 5V ±10%, VREF = Internal |
| input voltage noise density | — | 1.2 µV/√Hz | — | Code = FFFh, 1 kHz, GX = 1 |
| adc resolution | — | 12 bit | — | |
| rise time | 20 ns | — | 80 ns | High Speed Mode 1.7 |
| fall time | 20 ns | — | 80 ns | High Speed Mode 1.7 |
| data retention | — | 200 year | — | At+25^\circ\text{C}, Note 3 |
| output voltage low | — | — | 400 mV | I_{OL} = 3\text{ mA}SDA and RDY/BSY pins |
| settling time | — | 6 µs | — | Note 8 |
| channel count | — | 4 | — |
Closest matches to MCP4728
Frequently asked questions
What is the ADC resolution of the MCP4728?
The ADC resolution is 12 bit.
How many channels does the MCP4728 have?
The MCP4728 has a channel count of 4.
What is the clock frequency in Standard Mode with Cb = 400 pF and a supply voltage of 2.7V – 5.5V?
The clock frequency is 100 kHz.
What is the data retention period for the MCP4728?
The data retention is 200 year at +25°C, Note 3.
What is the fall time in High Speed Mode 1.7?
The fall time is 80 ns.
What is the input offset voltage when Code = 000hSeeFigure 2-24?
The input offset voltage is 5 mV when Code = 000hSeeFigure 2-24.
What is the input voltage noise density when Code = FFFh, 1 kHz, and GX = 1?
The input voltage noise density is 1.2 µV/√Hz.
What is the maximum operating temperature for the MCP4728?
The maximum operating temperature is 125 °C.