ADuC7019/20/21/22/24/25/26/27/28 are 12-bit precision analog microcontrollers that integrate an ARM7TDMI® microcontroller core, multichannel 12-bit 1 MSPS ADC, 12-bit voltage output DACs, and a temperature sensor for high precision measurement and control applications.
The ADuC7019/20/21/22/24/25/26/27/28 family integrates a 12‑bit, 1 MSPS ADC, up to four 12‑bit DACs, an ARM7TDMI® MCU core, flash/EE memory, and a range of digital peripherals on a single chip. The devices operate from 2.7 V to 3.6 V and are specified for industrial temperatures from –40 °C to +125 °C.
The handbook provides functional block diagrams, pin configurations, electrical specifications, timing data, and programming information, along with ordering details for the various memory and package options.
| Supply Voltage Range | 2.7 V to 3.6 V |
|---|---|
| Operating Temperature Range | –40 °C to +125 °C |
| ADC Resolution | 12 bits |
| ADC Signal‑to‑Noise Ratio | 69 dB |
| Flash/EE Memory Endurance | 10 000 cycles |
| Active‑mode Power Consumption | 11 mA @ 5 MHz, 40 mA @ 41.78 MHz |
The devices are specified for –40 °C to +125 °C operation.
The single‑ended input range is 0 V to Vref.
The internal PLL generates a clock of 41.78 MHz.