EFM8BB2F16G
Every spec below is cited to the manufacturer datasheet. Pick your exact ordering code, compare the closest alternatives, then ask the assistant what it means for your design.
What the EFM8BB2F16G family does
The EFM8BB2 family comprises 8-bit microcontrollers within Silicon Labs' Busy Bee line, spanning commercial, industrial, and military temperature grades. These devices operate at up to 50 MHz with a single supply of 2.2 to 3.6 V or 3.0 to 5.25 V. Key specifications include 16 KB of flash memory, 2304 bytes of RAM, and a 12-bit analog-to-digital converter. The architecture supports up to 22 multifunction I/O pins, five 16-bit timers, and interfaces like UART, SPI, and I2C. Typically used in motor control, medical equipment, consumer electronics, and lighting systems, the parts integrate advanced analog and communication peripherals into small QFN or QSOP packages for space-constrained embedded applications.
EFM8BB2F16G datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| quiescent current | — | 820 µA | 1.2 mA | 800 ksp, 10-bit conversions or200 ksp, 12-bit conversionsNormal bias settingsVDD = 3.0 V; Analog Peripheral Supply Currents (-40 °C to +125 °C) | SiliconLabs datasheet, p. 14 — 4.1.2 Power Consumption |
| output current | — | — | 100 mA | 5V Voltage Regulator | SiliconLabs datasheet, p. 21 — Table 4.11. 5V Voltage Regulator |
| supply voltage range | 3 V | — | 5.25 V | 5V Voltage Regulator | SiliconLabs datasheet, p. 21 — Table 4.11. 5V Voltage Regulator |
| input offset voltage | -10 mV | 0 V | 10 mV | TA = 25 °C; Comparators | SiliconLabs datasheet, p. 22 — Table 4.12. Comparators |
| cmrr | — | 70 dB | — | common; Comparators | SiliconLabs datasheet, p. 22 — Table 4.12. Comparators |
| operating temperature | -40 °C | — | 85 °C | G-grade devices; Recommended Operating Conditions | SiliconLabs datasheet, p. 12 — Table 4.1. Recommended Operating Conditions |
| clock frequency | 0 Hz | — | 50 MHz | (at extclk pin); External Clock Input | SiliconLabs datasheet, p. 18 — Table 4.7. External Clock Input |
| psrr | — | 70 dB | — | ADC | SiliconLabs datasheet, p. 19 — Table 4.8. ADC |
| dropout voltage | — | — | 800 mV | Output Current = 100 mA; 5V Voltage Regulator | SiliconLabs datasheet, p. 21 — Table 4.11. 5V Voltage Regulator |
| cpu speed | — | 50 MHz | — | SiliconLabs datasheet, p. 1 | |
| program memory size | — | 16 KB | — | SiliconLabs datasheet, p. 3 — Table 2.1. Product Selection Guide | |
| ram size | — | 2.25 KB | — | SiliconLabs datasheet, p. 3 — Table 2.1. Product Selection Guide | |
| io count | — | 22 | — | SiliconLabs datasheet, p. 3 — Table 2.1. Product Selection Guide | |
| adc resolution | — | 12 bit | — | SiliconLabs datasheet, p. 2 | |
| core size | — | 8 bit | — | SiliconLabs datasheet, p. 1 | |
| program erase cycles | 20 kcycle | 100 kcycle | — | endurance(write/erase cycles); Flash Memory | SiliconLabs datasheet, p. 16 — Table 4.4. Flash Memory |
| output voltage low | — | — | 600 mV | IOL = 13.5 mA, VDD≥ 3.0 V; (high drive); Port I/O | SiliconLabs datasheet, p. 23 — Table 4.13. Port I/O |
EFM8BB2F16G frequently asked questions
What is the ADC resolution of the EFM8BB2F16G?
The ADC resolution is 12 bit.
What is the maximum clock frequency at the external clock input pin?
The clock frequency is 50 MHz at the extclk pin.
What is the common-mode rejection ratio (CMRR) for the comparators?
The CMRR for the comparators is 70 dB.
What is the core size of the EFM8BB2F16G?
The core size is 8 bit.
What is the maximum CPU speed for the EFM8BB2F16G?
The CPU speed is 50 MHz.
What is the dropout voltage of the EFM8BB2F16G when the output current is 100 mA and the voltage regulator is 5V?
The dropout voltage is 800 mV.
What is the input offset voltage for the comparators at TA = 25 °C?
The input offset voltage is 0 V.
What is the io count for the EFM8BB2F16G?
The io count is 22.
What is the operating temperature for EFM8BB2F16G G-grade devices under Recommended Operating Conditions?
The operating temperature is 85 °C.
What is the output current of the EFM8BB2F16G when the 5V Voltage Regulator is active?
The output current is 100 mA.
What is the output voltage low specification for Port I/O?
The output voltage low is 600 mV at IOL = 13.5 mA with VDD≥ 3.0 V in high drive mode.
What is the endurance (write/erase cycles) for the Flash Memory of the EFM8BB2F16G?
The program erase cycles endurance for the Flash Memory is 100 kcycle.