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| PartNumber | SI1037-B-GM3 | SI1037-A-GM | SI1037-A-GMR |
| Description | RF Microcontrollers - MCU 16kB, 4kB RAM, +13dBm, programmable XCVR, DC-DC buck | RF Microcontrollers - MCU 16 kB, 4 kB RAM, +13 dBm, programmable XCVR, dc-dc buck, QFN85 | Microcontrollers - MCU RF Microcontrollers - MCU 16kB, 4kB RAM +13dBm, LCD, XCVR |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Labs |
| Product Category | RF Microcontrollers - MCU | RF Microcontrollers - MCU | RF Transceiver ICs |
| RoHS | Y | Y | - |
| Packaging | Tray | Tray | Tape & Reel (TR) |
| Brand | Silicon Labs | Silicon Labs | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | RF Microcontrollers - MCU | RF Microcontrollers - MCU | - |
| Factory Pack Quantity | 480 | 43 | - |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | - |
| Shipping Restrictions | - | - | |
| Core | - | CIP-51 | - |
| Operating Frequency | - | 240 MHz to 960 MHz | - |
| Data Bus Width | - | 8 bit | - |
| Program Memory Size | - | 16 kB | - |
| Data RAM Size | - | 4352 B | - |
| Maximum Clock Frequency | - | 25 MHz | - |
| Operating Supply Voltage | - | 2.5 V to 3.3 V | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Package / Case | - | LGA-85 | - |
| Mounting Style | - | SMD/SMT | - |
| Series | - | SI1037 | - |
| Number of I/Os | - | 53 I/O | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Number of Timers | - | 4 Timer | - |
| Processor Series | - | Si103x | - |
| Type | - | - | TxRx + MCU |
| Package Case | - | - | 85-VFLGA Exposed Pad |
| Frequency | - | - | 240MHz ~ 960MHz |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Sensitivity | - | - | -121dBm |
| Voltage Supply | - | - | 1.8 V ~ 3.8 V |
| Memory Size | - | - | 16kB Flash, 4.4kB RAM |
| Protocol | - | - | EZRadioPro |
| Data Rate Max | - | - | 256kbps |
| Serial Interfaces | - | - | I2C, SPI, UART |
| Power Output | - | - | 13dBm (Max) |
| Current Receiving | - | - | 18.5mA |
| RF Family Standard | - | - | General ISM |
| Modulation | - | - | FSK, GFSK, OOK |
| GPIO | - | - | 53 |
| Current Transmitting | - | - | 17mA ~ 30mA |