ZHCSXL3 December 2024 OPT4041
PRODUCTION DATA
OPT4041 的有效分辨率取決于轉(zhuǎn)換時(shí)間設(shè)置和滿量程照度范圍。雖然線性 ADC_CODES 的 LSB 分辨率不變,但器件的有效或有用分辨率取決于(如表 6-5 所示)轉(zhuǎn)換時(shí)間設(shè)置和滿量程。在有效分辨率較低的轉(zhuǎn)換時(shí)間內(nèi),LSB 用 0 填充。
| CONVERSION_TIME 寄存器 | 轉(zhuǎn)換時(shí)間 | MANTISSA 有效位 | EXPONENT | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |||
| 滿量程照度(以 lux 為單位的有效分辨率) | |||||||||||
| 613 | 1227 | 2454 | 4907 | 9815 | 19629 | 39259 | 78517 | 157034 | |||
| 0 | 600μs | 9 | 1.198 | 2.396 | 4.792 | 9.585 | 19.17 | 38.34 | 76.68 | 153.35 | 306.71 |
| 1 | 1ms | 10 | 599.04m | 1.198 | 2.396 | 4.792 | 9.585 | 19.17 | 38.34 | 76.68 | 153.35 |
| 2 | 1.8ms | 11 | 299.52m | 599.04m | 1.198 | 2.396 | 4.792 | 9.585 | 19.17 | 38.34 | 76.68 |
| 3 | 3.4ms | 12 | 149.76m | 299.52m | 599.04m | 1.198 | 2.396 | 4.792 | 9.585 | 19.17 | 38.34 |
| 4 | 6.5ms | 13 | 74.88m | 149.76m | 299.52m | 599.04m | 1.198 | 2.396 | 4.792 | 9.585 | 19.17 |
| 5 | 12.7ms | 14 | 37.44m | 74.88m | 149.76m | 299.52m | 599.04m | 1.198 | 2.396 | 4.792 | 9.585 |
| 6 | 25ms | 15 | 18.72m | 37.44m | 74.88m | 149.76m | 299.52m | 599.04m | 1.198 | 2.396 | 4.792 |
| 7 | 50ms | 16 | 9.36m | 18.72m | 37.44m | 74.88m | 149.76m | 299.52m | 599.04m | 1.198 | 2.396 |
| 8 | 100ms | 17 | 4.86m | 9.36m | 18.72m | 37.44m | 74.88m | 149.76m | 299.52m | 599.04m | 1.198 |
| 9 | 200ms | 18 | 2.34m | 4.86m | 9.36m | 18.72m | 37.44m | 74.88m | 149.76m | 299.52m | 599.04m |
| 10 | 400ms | 19 | 1.17m | 2.34m | 4.86m | 9.36m | 18.72m | 37.44m | 74.88m | 149.76m | 299.52m |
| 11 | 800ms | 20 | 0.585m | 1.17m | 2.34m | 4.86m | 9.36m | 18.72m | 37.44m | 74.88m | 149.76m |
| CONVERSION_TIME 寄存器 | 轉(zhuǎn)換時(shí)間 | MANTISSA 有效位 | EXPONENT | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | |||
| 滿量程輻照度 (μW/cm2) | |||||||||
| 202 | 403 | 807 | 1610 | 3230 | 6450 | 12910 | |||
| 有效分辨率 (nW/cm2) | |||||||||
| 0 | 600μs | 9 | 393.83 | 787.66 | 1575.32 | 3150.64 | 6301.29 | 12602.57 | 25205.15 |
| 1 | 1ms | 10 | 196.92 | 393.83 | 787.66 | 1575.32 | 3150.64 | 6301.29 | 12602.57 |
| 2 | 1.8ms | 11 | 98.46 | 196.92 | 393.83 | 787.66 | 1575.32 | 3150.64 | 6301.29 |
| 3 | 3.4ms | 12 | 49.23 | 98.46 | 196.92 | 393.83 | 787.66 | 1575.32 | 3150.64 |
| 4 | 6.5ms | 13 | 24.61 | 49.23 | 98.46 | 196.92 | 393.83 | 787.66 | 1575.32 |
| 5 | 12.7ms | 14 | 12.31 | 24.61 | 49.23 | 98.46 | 196.92 | 393.83 | 787.66 |
| 6 | 25ms | 15 | 6.15 | 12.31 | 24.61 | 49.23 | 98.46 | 196.92 | 393.83 |
| 7 | 50ms | 16 | 3.08 | 6.15 | 12.31 | 24.61 | 49.23 | 98.46 | 196.92 |
| 8 | 100ms | 17 | 1.54 | 3.08 | 6.15 | 12.31 | 24.61 | 49.23 | 98.46 |
| 9 | 200ms | 18 | 0.769 | 1.54 | 3.08 | 6.15 | 12.31 | 24.61 | 49.23 |
| 10 | 400ms | 19 | 0.385 | 0.769 | 1.54 | 3.08 | 6.15 | 12.31 | 24.61 |
| 11 | 800ms | 20 | 0.192 | 0.385 | 0.769 | 1.54 | 3.08 | 6.15 | 12.31 |