LM822 vs ESP32-WROOM-32E 对比
详细并排对比 LM822 出自 LM Technologies 和 ESP32-WROOM-32E 出自 Espressif Systems。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
LM Technologies
LM822 - 802.11 b/g/n WiFi Module with IC Antenna, USB HCI | LM Technologies
LM822 ✓ 量产中
规格对比
| 参数 | LM822 | ESP32-WROOM-32E |
|---|---|---|
| 品牌 | LM Technologies | Espressif Systems |
| 分类 | RF Modules | RF Modules |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $11.40 | $1.86 |
| Module Type | WiFi 802.11 b/g/n module (WiFi 4) | — |
| Frequency Band | 2.4 GHz ISM band | — |
| Wireless Standards | IEEE 802.11b, 802.11g, 802.11n | — |
| Maximum Data Rate | 150 Mbps (PHY, single stream) | — |
| Host Interface | USB (HCI - Host Controller Interface) | — |
| Antenna | Onboard IC (chip) antenna | — |
| 电源电压 | 5 V (USB bus powered) | 3.0 V to 3.6 V (typical 3.3 V) |
| Modulation | BPSK, QPSK, 16-QAM, 64-QAM | — |
| Encryption / Security | WEP, TKIP, AES, WPA, WPA2 | — |
| 802.11e (QoS) Support | Yes - bursting and standards compliance | — |
| 802.11I (Security) Support | Yes | — |
| OS Driver Support | Linux, macOS X, Windows 10 IoT Core, Windows XP to 10, Windows Compact Embedded 6/7 | — |
| Module Variant Ordering Code (example) | LM822-1452 | — |
| Mounting / Integration | Plug-and-play USB dongle-style module | — |
| RoHS 状态 | Compliant (per LM Technologies product page) | Compliant |
| Core SoC | — | ESP32-D0WD-V3 |
| CPU | — | Dual-core Xtensa LX6, up to 240 MHz |
| SRAM | — | 520 KB |
| ROM | — | 448 KB |
| Wi-Fi Standard | — | 802.11 b/g/n, 2.4 GHz to 2.5 GHz |
| Bluetooth | — | v4.2 BR/EDR + BLE, Class 1, 2 and 3 |
| 工作温度 | — | -40C to +85C |
| Antenna Type | — | Integrated PCB antenna |
| Package Dimensions | — | 18 x 25.5 x 3.1 mm |
| 引脚数量 | — | 38 castellated pads |
| 安装类型 | — | Surface Mount |
| Flash Memory | — | [DATA_NEEDED: flash size suffix (N4/N8/N16)] |
| Peripherals | — | SPI, I2C, I2S, UART, CAN, PWM, ADC, DAC, touch sensor |