演示目录 / 光传感器
VEML7700 ambient light sensor breakout
Adafruit · MPN 4162 · 智能体可读版本
$4.95参考价 · 2026-08-22
取自 Adafruit 自有结构化数据，日期如上所示 — 这不是报价。我们刻意不声明可获得性。
| Adafruit | $4.95 · 2026-08-22 | 产品页面 ↗ |
Partsgraph 佐证规格表（PDF）自有文档 · 由下列来源汇编
Vishay VEML7700 datasheetsha256 f338cf7d5911…
规格 — 每个数值都附带凭据
电气
| 关断电流 (typ) | 0.5 μA | 数据手册第 1 页“• Low shut down current consumption: typ. 0.5 μA 3”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 工作电流，100 ms 刷新，typ (μA) | 45 | 数据手册第 2 页“me 100 ms IDD 45 - μA I2C clock rate range”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| PSM 模式 4 下的电流，typ (μA) | 2 | 数据手册第 2 页“5 3.3 3.6 V Shut down current (2) VDD is 3.3 V”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 省电模式 (PSM) | 是 | 数据手册第 9 页“refresh time can be determined by PSM and ALS_IT setting in power saving mode (PSM). Cooperating with the command register setting, the designe”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 板载 3.3V 稳压器 + 电平转换器 | 是 | 供应商页面“niversal I2C. We put this sensor on a breakout board with a 3.3V regulator and logic level shifter so you can use it with 3.3V or 5V p” |
| 逻辑兼容性（扩展板） | 3.3V or 5V power/logic | 供应商页面“3V regulator and logic level shifter so you can use it with 3.3V or 5V power/logic microcontrollers. We have written libraries for Arduino (C/” |
性能
| 检测范围 | 0 lx to about 140 klx | 数据手册第 1 页“0 lx to about 140 klx with resolution down to 0.0042 lx/ct, 2: VDD”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 分辨率 | 0.0042 lx/ct | 数据手册第 1 页“0 lx to about 140 klx with resolution down to 0.0042 lx/ct, 2: VDD”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 动态范围 | 16-bit | 数据手册第 1 页“• 16-bit dynamic range for ambient light detection from 1: SCL”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 闪烁抑制 | 100 Hz and 120 Hz | 数据手册第 1 页“• 100 Hz and 120 Hz flicker noise rejection 4: SDA”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 最大 ALS 积分时间 | 800 ms | 数据手册第 2 页“ion (LSB count) (3) With ALS_GAIN = x 2, ALS_IT = 800 ms - 0.004”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 最小 ALS 积分时间 | 25 ms | 数据手册第 2 页“m illuminance (3) With ALS_GAIN = x 1/8, ALS_IT = 25 ms EV max. - 140 00”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 白光通道输出 | 是 | 数据手册第 8 页“data (7 : 0 LSB 8 bits of whole 16 bits) Command Code #5: White Channel Output Data Command code address = 05h. To access 16 bit WHITE output,”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
接口
| I2C 从机地址 | 0x10 | 数据手册第 6 页“and directly. The slave address (7 bit) is set to 0010000 = 0x10. When VEML770”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| I2C 高电平范围 | 1.3 至 3.6 V | 数据手册第 6 页“tandard” and “fast”: 10 kHz to 400 kHz. I2C H-level range = 1.3 V to 3.6 V. Please refer to the I2C specification from NXP for details”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| I2C 时钟范围 | 10 至 400 kHz | 数据手册第 6 页“terface is compatible with I2C modes “standard” and “fast”: 10 kHz to 400 kHz. I2C H-level range = 1.3 V to 3.6 V. Please refer to the I2”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 器件识别码 | 0x81 | 数据手册第 9 页“Fixed device ID: 10000001 = 0x81 REFRESH TIME DETERMINATION OF PSM VEML7700’s refresh time”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 中断引脚 | 否 | 数据手册第 7 页“Vishay Semiconductors Interrupt pin not available for VEML7700 COMMAND REGISTER FORMAT COMMAND CODE”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| STEMMA QT / Qwiic 连接器数量 | 是 | 供应商页面“weren't enough, we've also added SparkFun qwiic compatible STEMMA QT connectors for the I2C bus so you don't even need to solder. Just wire” |
| I2C 上拉电阻（板载） | 4.7K | 供应商页面“o soldering required! As of Dec 18th, 2019 - now comes with 4.7K pullups on I2C instead of 10K, solving some flaky behavior” |
机械
| 封装尺寸，L x W x H (mm) | 6.8 x 2.35 x 3.0 | 数据手册第 1 页“• Dimensions (L x W x H in mm): 6.8 x 2.35 x 3.0”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
环境
| 开封后可用时间 | 72 h | 数据手册第 1 页“• Floor life: 72 h, MSL 4, according to J-STD-020”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 湿敏等级 | MSL 4 | 数据手册第 1 页“• Floor life: 72 h, MSL 4, according to J-STD-020”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
通用
| 供电（裸芯片） | 2.5 至 3.6 V | 数据手册第 1 页“• Supply voltage range VDD: 2.5 V to 3.6 V”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
| 接口 | I2C | 数据手册第 1 页“nductors High Accuracy Ambient Light Sensor With I2C Interface”https://www.vishay.com/docs/84286/veml7700.pdfsha256 f338cf7d5911… |
用于
太阳能气象站 — 作为 环境光