PCA9685PW,118 vs PCA9685PW,112 对比
详细并排对比 PCA9685PW,118 出自 NXP Semiconductors 和 PCA9685PW,112 出自 NXP Semiconductors。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。
规格对比
| 参数 | PCA9685PW,118 | PCA9685PW,112 |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | LED Drivers | LED Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.99 | $1.78 |
| 功能 | 16-channel 12-bit PWM LED controller | — |
| 输出数量 | 16 | 16 |
| PWM Resolution | 12-bit (4096 steps, 0% to 100% duty cycle) | 12-bit (4096 steps) per channel |
| Per-Channel Output Current | 25 mA | — |
| 拓扑 | Open-Drain / Push-Pull PWM | — |
| 接口 | I2C-bus, Fast-Mode Plus (up to 1 MHz) | I2C / Fm+ (up to 1 MHz) |
| Supply Voltage VDD | 2.3 V to 5.5 V | — |
| Output Voltage Range (LED supply) | [DATA_NEEDED: upper LED supply voltage rating] | — |
| Internal Oscillator Frequency | 25 MHz (typical) | — |
| Output Rise/Fall Time | [DATA_NEEDED: transition time in ns] | — |
| 静态电流 | [DATA_NEEDED: quiescent current in mA] | — |
| Programmable I2C Addresses | Up to 62 devices per bus (6 address pins) | — |
| 工作温度 | -40 C to +85 C | -40 C to +85 C |
| 封装 | 28-TSSOP (4.40 mm body width, SOT-355-1) | TSSOP-28 (PW) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | [DATA_NEEDED: MSL rating] | 1 |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free | Yes | — |
| Primary Application | RGBA backlighting and color mixing | — |
| Product Type | — | I2C-bus LED controller (PWM dimming driver) |
| PWM Frequency Range | — | 24 Hz to 1526 Hz (programmable) |
| Per-channel Output Current | — | 25 mA sink/source |
| Output Topology | — | Totem-pole CMOS (push-pull voltage switch) |
| Selectable I2C Addresses | — | 6 hardware (up to 126 with software reset) |
| Supply Voltage (VDD) | — | 2.3 V to 5.5 V |
| External Clock Input | — | 50 MHz typical (optional) |
| Output Enable Pin (OE) | — | Yes, active-high blanking |